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searching for Angular frequency 168 found (452 total)

alternate case: angular frequency

Instantaneous phase and frequency (1,511 words) [view diff] exact match in snippet view article find links to article

This has applications in the field of computer vision. Instantaneous angular frequency is defined as: ω ( t ) = d φ ( t ) d t , {\displaystyle \omega (t)={\frac
Planck units (6,119 words) [view diff] no match in snippet view article find links to article
In particle physics and physical cosmology, Planck units are a system of units of measurement defined exclusively in terms of four universal physical constants:
Rossby-gravity waves (841 words) [view diff] exact match in snippet view article find links to article
t)}} Once the frequency relation is formulated in terms of ω, the angular frequency, the problem can be solved with three distinct solutions. These three
Mechanical impedance (323 words) [view diff] exact match in snippet view article find links to article
{Z} } is the impedance matrix and ω {\displaystyle \omega } is the angular frequency. Mechanical impedance is the ratio of a potential (e.g., force) to
Compton wavelength (1,627 words) [view diff] exact match in snippet view article find links to article
given by f = m c 2 h , {\displaystyle f={\frac {mc^{2}}{h}},} and the angular frequency ω is given by ω = m c 2 ℏ . {\displaystyle \omega ={\frac {mc^{2}}{\hbar
Stimulated Raman spectroscopy (2,272 words) [view diff] exact match in snippet view article find links to article
resembles that of spontaneous Raman spectroscopy: a pump photon, of the angular frequency ω p {\displaystyle \omega _{p}} , which is scattered by a molecule
Synchrocyclotron (1,120 words) [view diff] exact match in snippet view article find links to article
deuterons and 390 MeV α-particles. In a classical cyclotron, the angular frequency of the electric field is given by ω = q B m {\displaystyle \omega
Thermal lag (174 words) [view diff] exact match in snippet view article find links to article
of the material (m2s−1), Ω {\displaystyle \Omega } is the external angular frequency (s−1), and L {\displaystyle L} is the thickness (m). [citation needed]
Rabi resonance method (481 words) [view diff] exact match in snippet view article find links to article
precess around it with Larmor frequency ν0 and the corresponding angular frequency is ω0. According to mechanics, the equation of motion of the spin
Lissajous curve (1,739 words) [view diff] exact match in snippet view article find links to article
two perpendicular oscillations in x and y directions of different angular frequency (a and b). The resulting family of curves was investigated by Nathaniel
Electrical susceptance (1,163 words) [view diff] exact match in snippet view article find links to article
susceptance, both evaluated at the angular frequency in question, and ω {\displaystyle \omega } is that angular frequency. It is common for electrical components
Fujisaki model (455 words) [view diff] exact match in snippet view article find links to article
natural angular frequency of the phrase control mechanism to the ith phrase command, β j {\displaystyle \beta _{j}}  : natural angular frequency of the
Vibrational partition function (773 words) [view diff] exact match in snippet view article find links to article
given instead of the angular frequency of a vibrational mode and also often misnamed frequency. One can convert to angular frequency by using ω = 2 π c
Kramers' law (537 words) [view diff] exact match in snippet view article find links to article
{\displaystyle \lambda } (the wavelength) to ω {\displaystyle \omega } (the angular frequency) using λ = 2 π c / ω {\displaystyle \lambda =2\pi c/\omega } and also
Chirp (2,295 words) [view diff] exact match in snippet view article find links to article
{\displaystyle x(t)=\sin \left(\phi (t)\right)} then the instantaneous angular frequency, ω, is defined as the phase rate as given by the first derivative
Thomas precession (4,713 words) [view diff] exact match in snippet view article find links to article
4-vector varies sinusoidally with time with an angular frequency γω, where ω is the angular frequency of the circular motion and γ=1/√(1-v^2/c^2), the
Brillouin spectroscopy (2,027 words) [view diff] exact match in snippet view article find links to article
q=(k_{t}-k_{s})} Where ω and k are the angular frequency and wavevector of the photon, respectively. While the phonon angular frequency and wavevector are Ω and q
System dynamics (2,984 words) [view diff] exact match in snippet view article find links to article
same results. In this example, the crank, with variable radius and angular frequency, will drive a piston with a variable connecting rod length. System
Dirac comb (3,470 words) [view diff] exact match in snippet view article find links to article
the convention for the Fourier transform, this will be shown using angular frequency with ω = 2 π ξ : {\displaystyle \omega =2\pi \xi :} for any periodic
Einstein coefficients (4,653 words) [view diff] exact match in snippet view article find links to article
and frequency, as does Chandrasekhar, and Goody & Yung; Loudon uses angular frequency and radiance. Spontaneous emission is the process by which an electron
Bode plot (4,721 words) [view diff] exact match in snippet view article find links to article
the boundaries. The initial point is found by putting the initial angular frequency ω {\displaystyle \omega } into the function and finding | H ( j ω
Bloop (1,230 words) [view diff] exact match in snippet view article find links to article
waveforms from a detected sound "can also be caused by so-called angular frequency dependent radiation patterns associated with antisymmetric mode motion
Plasma parameters (2,480 words) [view diff] exact match in snippet view article find links to article
ln ⁡ Λ {\displaystyle \ln \Lambda } ). electron gyrofrequency, the angular frequency of the circular motion of an electron in the plane perpendicular to
Multipactor effect (1,974 words) [view diff] exact match in snippet view article find links to article
distance or gap between the surfaces ω {\displaystyle \omega } , angular frequency of the RF field V 0 {\displaystyle V_{0}} , peak plate-to-plate RF
Two-port network (5,250 words) [view diff] exact match in snippet view article find links to article
{\begin{bmatrix}1&-sL\\0&1\end{bmatrix}}} L, inductance s, complex angular frequency Shunt inductor [ 1 0 1 s L 1 ] {\displaystyle {\begin{bmatrix}1&0\\{1
Color killer (832 words) [view diff] exact match in snippet view article find links to article
so-called color difference signals and ω {\displaystyle \omega } is the angular frequency of the color carrier. ω {\displaystyle \omega } is within the luminance
Radiation stress (3,159 words) [view diff] exact match in snippet view article find links to article
intrinsic angular frequency, as seen by an observer moving with the mean horizontal flow-velocity v while ω is the apparent angular frequency of an observer
Discrete-time Fourier transform (5,076 words) [view diff] exact match in snippet view article find links to article
{\displaystyle S(f)} , and from the angular frequency form of the DTFT. The latter is obtained by defining an angular frequency variable, ω ≜ 2 π f T {\displaystyle
Waveguide (3,495 words) [view diff] exact match in snippet view article find links to article
infinitely long single-tone signal at frequency f {\displaystyle f} , (angular frequency ω = 2 π f {\displaystyle \omega =2\pi f} ), and rewrite the Helmholtz
Q meter (533 words) [view diff] exact match in snippet view article find links to article
{\displaystyle L} is the inductance, ω {\displaystyle \omega } is the angular frequency and R {\displaystyle R} is the resistance of the inductor. The resistance
Effective mass (spring–mass system) (3,236 words) [view diff] exact match in snippet view article
with angular frequency: ω = k M + m 3 {\displaystyle \omega ={\sqrt {{\frac {k}{M+{\frac {m}{3}}}}\,}}} Thus, it has a smaller angular frequency than
Atomic electron transition (868 words) [view diff] exact match in snippet view article find links to article
field: with amplitude | E 0 | {\displaystyle |{\textbf {E}}_{0}|} , angular frequency ω {\displaystyle \omega } , and polarization vector e ^ r a d {\displaystyle
Magnetic resonance (quantum mechanics) (3,284 words) [view diff] exact match in snippet view article
x-y plane (normal to B 0 {\displaystyle \mathbf {B_{0}} } ) with angular frequency ω {\displaystyle \omega } , so that B 1 = i ^ B 1 cos ⁡ ω t − j ^
Harmonics (electrical power) (4,434 words) [view diff] exact match in snippet view article
\omega _{0}} is the fundamental angular frequency of the distorted (non-sinusoidal) periodic signal. The angular frequency is related to the cyclic frequency
Dirichlet kernel (2,062 words) [view diff] exact match in snippet view article find links to article
is an odd integer. In this form, ω {\displaystyle \omega } is the angular frequency, and ω 0 {\displaystyle \omega _{0}} is half of the periodicity in
Lamb waves (3,737 words) [view diff] exact match in snippet view article find links to article
^{2}}{c_{t}^{2}}}.} Inherent in these equations is a relationship between the angular frequency ω and the wave number k. Numerical methods are used to find the phase
Analytic signal (2,675 words) [view diff] exact match in snippet view article find links to article
phase has units of radians/second, and is called the instantaneous angular frequency: ω ( t ) ≜ d ϕ d t ( t ) . {\displaystyle \omega (t)\triangleq {\frac
Nonlinear optics (6,736 words) [view diff] exact match in snippet view article find links to article
refraction of the medium at angular frequency ω j {\displaystyle \omega _{j}} . Thus, the second-order polarization at angular frequency ω 3 = ω 1 + ω 2 {\displaystyle
Caesium standard (2,492 words) [view diff] exact match in snippet view article find links to article
range. Note that a common confusion involves the conversion from angular frequency ( ω {\displaystyle \omega } ) to frequency ( f {\displaystyle f} )
Rheonomous (362 words) [view diff] exact match in snippet view article find links to article
{\displaystyle x_{0}\,\!} is the amplitude, ω {\displaystyle \omega \,\!} the angular frequency, and t {\displaystyle t\,\!} time. Although the top end of the string
Elliptic filter (6,114 words) [view diff] exact match in snippet view article find links to article
Butterworth filter. The gain of a lowpass elliptic filter as a function of angular frequency ω is given by: G n ( ω ) = 1 1 + ϵ 2 R n 2 ( ξ , ω / ω 0 ) {\displaystyle
Ultrashort pulse (3,346 words) [view diff] exact match in snippet view article find links to article
electric field corresponding to an ultrashort pulse is oscillating at an angular frequency ω0 corresponding to the central wavelength of the pulse. To facilitate
Optical resolution (4,746 words) [view diff] no match in snippet view article find links to article
(angular) variation of the light signal as a function of spatial (angular) frequency. When the image is projected onto a flat plane, such as photographic
Coriolis frequency (635 words) [view diff] exact match in snippet view article find links to article
Earth's rotation on the body is significant since it will need a larger angular frequency to stay in equilibrium with the Coriolis forces. Alternatively, if
Old quantum theory (4,834 words) [view diff] exact match in snippet view article find links to article
{h}{2\pi }}{\sqrt {\frac {k}{m}}}=n\hbar \omega } for oscillation angular frequency ω {\displaystyle \omega } , as before. Another simple system is the
Synchronous coefficient of drag alteration (2,152 words) [view diff] exact match in snippet view article find links to article
at angular frequency 2 ω {\displaystyle 2\omega } . The next calculations will be performed such that only the cosine terms at angular frequency 2 ω
Heat transfer physics (9,679 words) [view diff] exact match in snippet view article find links to article
}\mathbf {s} I_{ph,\omega }\sin(\theta )d\theta \,d\omega } , ω: angular frequency, θ: polar angle, Iph,ω: spectral, directional radiation intensity
Dielectric spectroscopy (3,097 words) [view diff] exact match in snippet view article find links to article
{1}{i\omega C_{\text{dl}}}}} where ω {\displaystyle \omega } is the angular frequency of a sinusoidal signal (rad/s), and i 2 = − 1 {\displaystyle i^{2}=-1}
Scleronomous (651 words) [view diff] exact match in snippet view article find links to article
{\displaystyle x_{0}} is amplitude, ω {\displaystyle \omega } is angular frequency, and t {\displaystyle t} is time. Although the top end of the string
Cyclotron motion (1,283 words) [view diff] exact match in snippet view article find links to article
trajectory of a particle in cyclotron motion is characterized by an angular frequency referred to as the cyclotron frequency or gyrofrequency and a radius
Kelvin–Voigt material (864 words) [view diff] exact match in snippet view article find links to article
proportionality). Often, this constant τ {\displaystyle \tau } multiplied with angular frequency ω {\displaystyle \omega } is called the loss modulus η = ω τ {\displaystyle
Step response (3,782 words) [view diff] exact match in snippet view article find links to article
A_{OL}={\frac {A_{0}}{1+j\omega \tau }},} with zero-frequency gain A0 and angular frequency ω = 2πf. This forward amplifier has unit step response S O L ( t )
S wave (1,925 words) [view diff] exact match in snippet view article find links to article
{\displaystyle \mu =\rho \beta ^{2}=\rho \omega ^{2}/k^{2}} where ω is the angular frequency and k is the wavenumber. Thus, β = ω / k {\displaystyle \beta =\omega
Laser rangefinder (1,915 words) [view diff] exact match in snippet view article find links to article
where φ is the phase delay made by the light traveling and ω is the angular frequency of optical wave. Then substituting the values in the equation, D =
Gabor wavelet (857 words) [view diff] no match in snippet view article find links to article
modulation. It is also worth noting the Fourier transform (unitary, angular-frequency convention) of a Gabor wavelet, which is also a Gabor wavelet: F (
Resonant interaction (2,731 words) [view diff] exact match in snippet view article find links to article
{\vec {k}}} is the wave vector. When "on shell", it is related to the angular frequency ω {\displaystyle \omega } by the dispersion relation. The ladder operators
Geodetic effect (1,468 words) [view diff] exact match in snippet view article find links to article
radial position r sees a vector positioned at r as rotating with angular frequency ω. This observer, however, sees a vector positioned at some other
Circuit quantum electrodynamics (1,607 words) [view diff] exact match in snippet view article find links to article
the reduced Planck constant, ω r {\displaystyle \omega _{r}} is the angular frequency, and ε 0 {\displaystyle \varepsilon _{0}} is the permittivity of free
Linear system (2,059 words) [view diff] exact match in snippet view article find links to article
period of the sinusoids of the output, it can be shown the fundamental angular frequency of the output is 1 rad/s, which is different than that of the input
Linear phase (978 words) [view diff] exact match in snippet view article find links to article
phase shift ω τ {\displaystyle \omega \tau } is a linear function of angular frequency ω {\displaystyle \omega } , and − τ {\displaystyle -\tau } is the
Wiener–Khinchin theorem (1,803 words) [view diff] exact match in snippet view article find links to article
}r_{xx}(k)e^{-i\omega k}} where ω = 2 π f {\displaystyle \omega =2\pi f} is the angular frequency, i {\displaystyle i} is used to denote the imaginary unit (in engineering
Poincaré–Lindstedt method (2,485 words) [view diff] exact match in snippet view article find links to article
words, when the angular frequency (in this case, 1 {\displaystyle 1} ) in the parameter is sufficiently close to the angular frequency (in this case, 1
Wave power (6,348 words) [view diff] exact match in snippet view article find links to article
(OEERE) World energy consumption For determining the group velocity the angular frequency ω is considered as a function of the wavenumber k, or equivalently
Complex gain (615 words) [view diff] exact match in snippet view article find links to article
same units as the input quantity. ∙ {\displaystyle \bullet } The angular frequency of the input is ω {\displaystyle \omega } . It has units of radian/time
Rectangular function (1,618 words) [view diff] exact match in snippet view article find links to article
{2\pi }}}\cdot \operatorname {sinc} \left(\omega /2\right),} using angular frequency ω {\displaystyle \omega } , where sinc {\displaystyle \operatorname
Asteroseismology (2,290 words) [view diff] exact match in snippet view article find links to article
radial co-ordinate in the star, ω {\displaystyle \omega } is the angular frequency of the oscillation mode, c s {\displaystyle c_{s}} is the sound speed
Rossby wave (2,792 words) [view diff] exact match in snippet view article find links to article
{\displaystyle v_{E}>0} . Here, Ω {\displaystyle \Omega }  denotes the Earth’s angular frequency and a N {\displaystyle a_{N}}  is the northward Coriolis acceleration
Pound–Drever–Hall technique (1,888 words) [view diff] exact match in snippet view article find links to article
an electric field of angular frequency ω, known as the carrier, and the second and third components are fields of angular frequency ω + ωm and ω − ωm, respectively
Rheology of peanut butter (1,699 words) [view diff] exact match in snippet view article find links to article
flow as a function of angular frequency. For peanut butter, it was found that the initial complex viscosity as angular frequency increased was very high
Rydberg constant (2,087 words) [view diff] exact match in snippet view article find links to article
{\displaystyle \omega _{\text{C}}=2\pi f_{\text{C}}} is the Compton angular frequency of the electron, a 0 = 4 π ε 0 ℏ 2 / e 2 m e {\displaystyle a_{0}={4\pi
Pinch (plasma physics) (4,614 words) [view diff] exact match in snippet view article
magnetic-field-aligned cylindrical plasma pinch undergoing rotation at angular frequency ω. Along the axis of the plasma cylinder flows a current density jz
Bloch oscillation (914 words) [view diff] exact match in snippet view article find links to article
}}t\right).} This shows that the electron oscillates in real space. The angular frequency of the oscillations is given by ω B = a e | E | / ℏ {\displaystyle
Rotating unbalance (804 words) [view diff] exact match in snippet view article find links to article
{U}{m(rotor)}}} Where F = force due to unbalance, U = unbalance. ω = angular frequency. e = specific unbalance. m = mass. r = distance between unbalance
Quantum optical coherence tomography (1,395 words) [view diff] exact match in snippet view article find links to article
_{2},} where Ω {\displaystyle \Omega } is the angular frequency deviation about the central angular frequency ω 0 {\displaystyle \omega _{0}} of the twin-photon
Ultrasound-modulated optical tomography (4,993 words) [view diff] exact match in snippet view article find links to article
relative angular frequency of unmodulated light. For example, if ω=0 this equation is calculating the spectral density with absolute angular frequency ω0.
Aliasing (2,770 words) [view diff] exact match in snippet view article find links to article
signal causes frequency ambiguity. Spatial aliasing, particular of angular frequency, can occur when reproducing a light field or sound field with discrete
Equatorial wave (2,494 words) [view diff] exact match in snippet view article find links to article
dispersion relation linking the wavenumber k {\displaystyle k} to the angular frequency ω {\displaystyle \omega } . In the special case n = 0 {\displaystyle
Acoustic attenuation (1,627 words) [view diff] exact match in snippet view article find links to article
\Delta x} the wave propagation distance, ω {\displaystyle \omega } the angular frequency, α ( ω ) {\displaystyle \alpha (\omega )} the attenuation coefficient
Hanle effect (1,597 words) [view diff] exact match in snippet view article find links to article
_{0}(t-t_{0})]}{z}}} where ω 0 {\displaystyle \omega _{0}} is the angular frequency of the incident light and t 0 {\displaystyle t_{0}} is the time at
Capacitance (4,191 words) [view diff] exact match in snippet view article find links to article
)} is the device admittance, and ω {\displaystyle \omega } is the angular frequency. In general, capacitance is a function of frequency. At high frequencies
Planck constant (6,164 words) [view diff] exact match in snippet view article find links to article
photon, or any other elementary particle. The energy of a photon with angular frequency ω = 2πf is given by E = ℏ ω , {\displaystyle E=\hbar \omega ,} while
Van der Pol oscillator (2,631 words) [view diff] exact match in snippet view article find links to article
with sinusoidal forcing. The nonlinear damping parameter is equal to μ = 8.53, while the forcing has amplitude A = 1.2 and angular frequency ω = 2π/10.
Magnetic force microscope (2,376 words) [view diff] exact match in snippet view article find links to article
^{2})}}\right]\,\!} Here the quality factor of resonance, resonance angular frequency, and damping factor are: Q = 2 π 1 2 k z o 2 π D z o 2 ω n = 1 2 δ
Fourier optics (12,531 words) [view diff] exact match in snippet view article find links to article
{\displaystyle e^{i\omega t}} time dependence in wave solutions at the angular frequency ω = 2 π f {\displaystyle \omega =2\pi f} with f = 1 / τ {\displaystyle
Magnetoelastic filament (1,193 words) [view diff] exact match in snippet view article find links to article
{\displaystyle \sigma } is the bead diameter, ω {\displaystyle \omega } is the angular frequency of the field precession, d ψ d t {\displaystyle {\frac {d\psi }{dt}}}
Prony's method (1,285 words) [view diff] no match in snippet view article find links to article
{\displaystyle \omega _{i}=\omega _{0,i}{\sqrt {1-\xi _{i}^{2}}}} are the angular-frequency components, ϕ i {\displaystyle \phi _{i}} are the phase components
Surface plasmon resonance (3,654 words) [view diff] exact match in snippet view article find links to article
glass block, 2: the metal film), while ω {\displaystyle \omega } is angular frequency and c {\displaystyle {c}} is the speed of light in vacuum. Typical
Foucault pendulum (4,100 words) [view diff] exact match in snippet view article find links to article
{\displaystyle \omega _{0}={\sqrt {\frac {g}{L}}}} is the natural angular frequency of the pendulum, φ {\displaystyle \varphi } is the latitude, g {\displaystyle
Sinc function (3,233 words) [view diff] exact match in snippet view article find links to article
for bandlimited functions in the function space L2(R), with highest angular frequency ωH = π (that is, highest cycle frequency fH = ⁠1/2⁠). Other properties
Bias tee (1,760 words) [view diff] exact match in snippet view article find links to article
L~~=~~2\pi fL~~\gg ~Z_{\text{o}}~,\\\end{aligned}}} where ω is the angular frequency (in radians per second) and f is the frequency (in Hertz). Bias tees
Helmholtz coil (2,207 words) [view diff] exact match in snippet view article find links to article
(}R_{1}+R_{2}{\bigr )}^{2}}}} where I is the peak current, ω is the angular frequency or ω = 2πf, L1 and L2 are the inductances of the two Helmholtz coils
Joule heating (3,839 words) [view diff] exact match in snippet view article find links to article
form. In the harmonic case, where all field quantities vary with the angular frequency ω {\displaystyle \omega } as e − i ω t {\displaystyle e^{-\mathrm
Bump function (3,094 words) [view diff] exact match in snippet view article find links to article
faster than any finite power of 1 / k {\displaystyle 1/k} for a large angular frequency | k | . {\displaystyle |k|.} The Fourier transform of the particular
Electrical impedance (5,220 words) [view diff] exact match in snippet view article find links to article
{\displaystyle \omega ^{2}LC=1.} Therefore, the fundamental resonance angular frequency is ω = 1 L C . {\displaystyle \omega ={1 \over {\sqrt {LC}}}.} In
Drude model (6,198 words) [view diff] exact match in snippet view article find links to article
current as a response to a time-dependent electric field with an angular frequency ω. The complex conductivity is σ ( ω ) = σ 0 1 − i ω τ = σ 0 1 + ω
Appleton–Hartree equation (1,011 words) [view diff] exact match in snippet view article find links to article
electron collision frequency ω = 2 π f {\displaystyle \omega =2\pi f} : angular frequency f {\displaystyle f} : ordinary frequency (cycles per second, or Hertz)
Gaussian function (5,023 words) [view diff] no match in snippet view article find links to article
functions are considered. Taking the Fourier transform (unitary, angular-frequency convention) of a Gaussian function with parameters a = 1, b = 0 and
Two-state quantum system (6,603 words) [view diff] exact match in snippet view article find links to article
vector precessing around n ^ {\displaystyle \mathbf {\hat {n}} } with angular frequency 2 ω {\displaystyle 2\omega } . Without loss of generality, assume
Ion trap (2,685 words) [view diff] exact match in snippet view article find links to article
_{0}} is a constant of integration. Thus, the ion oscillates with angular frequency Ω {\displaystyle \Omega } and amplitude proportional to the electric
One-way wave equation (1,559 words) [view diff] exact match in snippet view article find links to article
of the impedance equation leads to: A longitudinal plane wave of angular frequency ω {\displaystyle \omega } has the displacement s = s ( x , t ) {\displaystyle
Nuclear shell model (4,126 words) [view diff] exact match in snippet view article find links to article
as a "cranking" term, can be added to the Hamiltonian. Usually the angular frequency vector ω is taken to be perpendicular to the symmetry axis, although
Zero sound (1,216 words) [view diff] exact match in snippet view article find links to article
semiclassical limit assumes that f {\displaystyle f} fluctuates with angular frequency ω {\displaystyle \omega } and wavelength λ = 2 π / k {\displaystyle
Spin–orbit interaction (4,419 words) [view diff] exact match in snippet view article find links to article
{\displaystyle {\boldsymbol {\Omega }}_{\text{T}}} is related to the angular frequency of the orbital motion ω {\displaystyle {\boldsymbol {\omega }}} of
Birefringence (6,595 words) [view diff] exact match in snippet view article find links to article
permeability in the medium: μ = μ0. The electric field of a plane wave of angular frequency ω can be written in the general form: where r is the position vector
Quantum Hall effect (5,022 words) [view diff] exact match in snippet view article find links to article
electron charge e {\displaystyle e} is making Kepler revolutions with angular frequency ω {\displaystyle \omega } I = ω e 2 π , {\displaystyle I={\frac {\omega
Autoregressive model (5,421 words) [view diff] exact match in snippet view article find links to article
^{2}+\omega ^{2})}}} where γ = 1 / τ {\displaystyle \gamma =1/\tau } is the angular frequency associated with the decay time τ {\displaystyle \tau } . An alternative
Index of physics articles (P) (2,604 words) [view diff] exact match in snippet view article
laser-induced fluorescence Planck's law Planck (spacecraft) Planck angular frequency Planck charge Planck constant Planck current Planck density Planck
Relaxation (NMR) (3,762 words) [view diff] exact match in snippet view article
Larmor frequency of approximately 64 MHz (Simplified. BPP theory uses angular frequency indeed). We can then estimate using τc = 5×10−12 s: ω 0 τ c = 3.2
Heaviside condition (1,802 words) [view diff] exact match in snippet view article find links to article
metre. For no distortion, α is required to be independent of the angular frequency ω, while β must be proportional to ω. This requirement for proportionality
Schrödinger equation (10,263 words) [view diff] exact match in snippet view article find links to article
{\displaystyle x} is the displacement and ω {\displaystyle \omega } the angular frequency. Furthermore, it can be used to describe approximately a wide variety
Helioseismology (5,445 words) [view diff] exact match in snippet view article find links to article
stratification of the Sun, where ω {\displaystyle \omega } is the angular frequency, g {\displaystyle g} is the surface gravity and k h = ℓ / R {\displaystyle
Cyclotron (7,898 words) [view diff] exact match in snippet view article find links to article
Substituting this into the equations for cyclotron frequency and angular frequency gives: f = q B 2 π γ m 0 ω = q B γ m 0 {\displaystyle {\begin{aligned}f&={\frac
Magnetosonic wave (2,198 words) [view diff] exact match in snippet view article find links to article
plane waves which vary like exp[i(k ⋅ x − ωt)] with wavevector k and angular frequency ω, the linearized equation of motion can be re-expressed as − ω ρ
Quantum field theory (14,903 words) [view diff] exact match in snippet view article find links to article
p † {\displaystyle {\hat {a}}_{\mathbf {p} }^{\dagger }} and the angular frequency ω p {\displaystyle \omega _{\mathbf {p} }} are now for a particular
List of equations in quantum mechanics (622 words) [view diff] exact match in snippet view article find links to article
k) is the four-wavevector, E = energy of particle ω = 2πf is the angular frequency and frequency of the particle ħ = h/2π are the Planck constants c
Bremsstrahlung (9,428 words) [view diff] exact match in snippet view article find links to article
T_{\text{e}}} . Following Bekefi, the power spectral density (power per angular frequency interval per volume, integrated over the whole 4 π {\displaystyle
Aberrations of the eye (2,157 words) [view diff] exact match in snippet view article find links to article
Astigmatism and should not cause confusion. The superscript m is called the angular frequency and denotes the number of times the Wavefront pattern repeats itself
Split-ring resonator (4,045 words) [view diff] exact match in snippet view article find links to article
is the spacing of the cylinders, ω {\displaystyle \omega } is the angular frequency, μ 0 {\displaystyle \mu _{0}} is the permeability of free space and
Autler–Townes effect (3,156 words) [view diff] exact match in snippet view article find links to article
{\xi } ,t)} with ω = 2 π / τ {\displaystyle \omega =2\pi /\tau } the angular frequency of the field. Because of its periodicity, it is often further useful
Pulsed electron paramagnetic resonance (2,615 words) [view diff] exact match in snippet view article find links to article
ω1. ω 1 = − γ B 1 {\displaystyle \omega _{1}=-\gamma B_{1}} This angular frequency ω1 is also called the Rabi frequency. Assuming B1 to be parallel to
Tide (13,077 words) [view diff] exact match in snippet view article find links to article
{\displaystyle A_{o}\cos(\omega t+p),} where Ao is the amplitude, ω is the angular frequency, usually given in degrees per hour, corresponding to t measured in
Partial element equivalent circuit (1,204 words) [view diff] exact match in snippet view article find links to article
model can be reduced to (Lp,P,R) PEEC model. In addition, if the angular frequency w is sufficiently high so that w*Lp >> R, we can omit R term and use
Nuclear magnetic resonance (11,871 words) [view diff] exact match in snippet view article find links to article
magnetization around the magnetic field at the nucleus, with the angular frequency ω = − γ B {\displaystyle \omega =-\gamma B} where ω = 2 π ν {\displaystyle
Uncertainty principle (19,263 words) [view diff] exact match in snippet view article find links to article
distribution. In a quantum harmonic oscillator of characteristic angular frequency ω, place a state that is offset from the bottom of the potential by
Exponential response formula (4,083 words) [view diff] exact match in snippet view article find links to article
{\displaystyle F_{0}} . This has the same units as the input quantity. The angular frequency of the input is ω {\displaystyle \omega } . It has units of radians/time
Electron mobility (7,202 words) [view diff] exact match in snippet view article find links to article
_{\text{phonon (opt.)}}} where ωphonon(opt.) is the optical-phonon angular frequency and m* the carrier effective mass in the direction of the electric
Wigner quasiprobability distribution (5,299 words) [view diff] exact match in snippet view article find links to article
Here, x is replaced with the time, and p/ħ is replaced with the angular frequency ω = 2πf, where f is the regular frequency. In ultrafast optics, short
Two-body problem in general relativity (6,744 words) [view diff] exact match in snippet view article find links to article
orbit of radius router will oscillate in a stable manner with an angular frequency ω r 2 = 1 m [ d 2 V d r 2 ] r = r outer {\displaystyle \omega _{r}^{2}={\frac
Jaynes–Cummings model (9,356 words) [view diff] exact match in snippet view article find links to article
annihilation operators and ω c {\displaystyle \omega _{c}} is the angular frequency of the mode. On the other hand, the two-level atom is equivalent to
Günter Nimtz (2,848 words) [view diff] exact match in snippet view article find links to article
photon propagation probability is nonvanishing even if the photon’s angular frequency omega is not equal to the product of the speed of light c and the
Photon polarization (4,988 words) [view diff] exact match in snippet view article find links to article
energy, known as photons. The energy of each packet is related to the angular frequency of the wave by the relation ϵ = ℏ ω {\displaystyle \epsilon =\hbar
Jones calculus (4,069 words) [view diff] exact match in snippet view article find links to article
plane wave of light is travelling in the positive z-direction, with angular frequency ω and wave vector k = (0,0,k), where the wavenumber k = ω/c. Then
Time-domain thermoreflectance (2,189 words) [view diff] exact match in snippet view article find links to article
for a semi-infinite solid which is heated by a point source with angular frequency ω {\displaystyle \omega } can be expressed by the following equation:
Proportional–integral–derivative controller (12,110 words) [view diff] exact match in snippet view article find links to article
\over s}} where s {\displaystyle s} is the complex angular frequency. The proportional term produces an output value that is proportional
Chebyshev filter (12,073 words) [view diff] exact match in snippet view article find links to article
response, G n ( ω ) {\displaystyle G_{n}(\omega )} , as a function of angular frequency ω {\displaystyle \omega } of the n {\displaystyle n} th-order low-pass
Fractional Fourier transform (3,953 words) [view diff] exact match in snippet view article find links to article
of F α {\displaystyle {\mathcal {F}}_{\alpha }} . Remark: with the angular frequency ω convention instead of the frequency one, the FRFT formula is the
Antenna measurement (3,847 words) [view diff] exact match in snippet view article find links to article
current. ω = 2 π f {\displaystyle \scriptstyle {\omega =2\pi f}} is the angular frequency. j = − 1 {\displaystyle \scriptstyle {j={\sqrt {-1}}}} The (small)
Biotransducer (1,385 words) [view diff] exact match in snippet view article find links to article
τ E = r C {\displaystyle \tau _{E}=rC} where V = Voltage, ω = angular frequency of the modulated incident, P = pyroelectric coefficient, L = film
Rotordynamics (2,260 words) [view diff] exact match in snippet view article find links to article
were to graph the radial response, we would see a sine wave with angular frequency Ω / 2 π {\displaystyle \Omega /2\pi } . This lateral oscillation is
Velocity filter (1,077 words) [view diff] exact match in snippet view article find links to article
expressed as: where k = 0, 1, ..., K − 1; wk = (2π/K) is the sampling angular frequency. Using matrix notation, (2) can be expressed in the form: Frequency
Nanocellulose (8,272 words) [view diff] exact match in snippet view article find links to article
revealed that the storage and loss modulus were independent of the angular frequency at all nanocellulose concentrations between 0.125% to 5.9%. The storage
Nucleon magnetic moment (5,976 words) [view diff] exact match in snippet view article find links to article
The gyromagnetic ratio is also the ratio between the observed angular frequency of Larmor precession and the strength of the magnetic field in nuclear
Laue equations (3,072 words) [view diff] exact match in snippet view article find links to article
at a single frequency f {\displaystyle \displaystyle f} (and the angular frequency ω = 2 π f {\displaystyle \displaystyle \omega =2\pi f} ) on a crystal
Electric dipole transition (2,569 words) [view diff] exact match in snippet view article find links to article
{\displaystyle {\hat {z}}} is the transition axis, w {\displaystyle w} is the angular frequency of the light incoming into the atom (think of it as a laser being
Squeezed coherent state (5,809 words) [view diff] exact match in snippet view article find links to article
creation operators, respectively. For a quantum harmonic oscillator of angular frequency ω {\displaystyle \omega } , these operators are given by a ^ † = m
Carrier scattering (3,188 words) [view diff] exact match in snippet view article find links to article
{1}{2}}\pm {\frac {1}{2}})\delta _{k',k\pm q}\;\;(15)} with the phonon angular frequency ωq=cq, volume V, solid density ρ, and phonon group velocity c. Plugging
Gravity wave (2,568 words) [view diff] exact match in snippet view article find links to article
phase speed in terms of the angular frequency ω {\displaystyle \omega } and the wavenumber, the gravity wave angular frequency can be expressed as ω = g
Surface wave inversion (3,253 words) [view diff] exact match in snippet view article find links to article
way in which a Fourier transform changes x-t data into x-ω (ω is angular frequency) data shows why phase velocity dominates surface wave inversion theory
Nilsson model (1,439 words) [view diff] exact match in snippet view article find links to article
as a "cranking" term, can be added to the Hamiltonian. Usually the angular frequency vector ω is taken to be perpendicular to the symmetry axis, although
Superconducting radio frequency (5,638 words) [view diff] exact match in snippet view article find links to article
into account energy leakage out of the coupling antenna, ωo is the angular frequency of the mode, the imaginary exponential is the mode's sinusoidal time
List of formulae involving π (8,342 words) [view diff] exact match in snippet view article find links to article
A={\frac {(-1)^{k}+3}{8}}\pi a^{2}} where A is the area of a rose with angular frequency k ( k ∈ N {\displaystyle k\in \mathbb {N} } ) and amplitude a. L =
Stellar dynamics (17,631 words) [view diff] exact match in snippet view article find links to article
region, individual stars go on resonant harmonic oscillations of angular frequency Ω {\displaystyle \Omega } with x ¨ = − Ω 2 x = − ∂ x Φ , y ¨ = − Ω
Electrolytic capacitor (11,383 words) [view diff] exact match in snippet view article find links to article
resistor ESR, and an inductance ESL. In this case the impedance at the angular frequency ω is given by the geometric (complex) addition of ESR, by a capacitive
Capacitor types (12,946 words) [view diff] exact match in snippet view article find links to article
resistor R ( E S R ) {\displaystyle R(ESR)} . The total reactance at the angular frequency ω {\displaystyle \omega } therefore is given by the geometric (complex)
Four-gradient (8,619 words) [view diff] exact match in snippet view article find links to article
{\mathbf {x} }}\right)} , ω {\displaystyle \omega } is the temporal angular frequency, k → {\displaystyle {\vec {\mathbf {k} }}} is the spatial 3-space
Tantalum capacitor (8,541 words) [view diff] exact match in snippet view article find links to article
resistor ESR, and an inductance ESL. In this case the impedance at the angular frequency ω therefore is given by the geometric (complex) addition of ESR, by
Magnetorotational instability (4,607 words) [view diff] exact match in snippet view article find links to article
dependence e i ω t   , {\displaystyle e^{i\omega t}\ ,} where the angular frequency ω {\displaystyle \omega } satisfies the equation where κ 2 {\displaystyle
3-Base Periodicity Property (2,634 words) [view diff] exact match in snippet view article find links to article
index k {\displaystyle k} of the frequency response corresponds to an angular frequency ω {\displaystyle \omega } of 2 π k / N {\displaystyle 2\pi k/N} .
Vector spherical harmonics (5,424 words) [view diff] exact match in snippet view article find links to article
instance, a magnetic multipole is due to an oscillating current with angular frequency ω {\displaystyle \omega } and complex amplitude J ^ = J ( r ) Φ ℓ
Film capacitor (13,458 words) [view diff] exact match in snippet view article find links to article
"ESL". The two reactive resistances have following relations with the angular frequency "ω": Capacitance (Capacitive reactance) : X C = − 1 ω C {\displaystyle
Static forces and virtual-particle exchange (8,459 words) [view diff] exact match in snippet view article find links to article
{T_{\text{e}}}{m}}\mathbf {k} ^{2}.} where ω {\displaystyle \omega } is the angular frequency of the wave, ω p 2 = 4 π n e 2 m {\displaystyle \omega _{p}^{2}={\frac
Method of averaging (4,159 words) [view diff] exact match in snippet view article find links to article
, θ , p ) {\displaystyle (t,\theta ,p)} -space. Suppose that the angular frequency of the vertical vibrations, ω {\displaystyle \omega } , is much greater
Outline of oceanography (32,627 words) [view diff] exact match in snippet view article find links to article
lowermost water mass in a water body Brunt–Väisälä frequency – The angular frequency at which a vertically displaced parcel will oscillate within a statically
Aluminum electrolytic capacitor (13,030 words) [view diff] exact match in snippet view article find links to article
{\displaystyle \scriptstyle ESL} . In this case the impedance at the angular frequency ω {\displaystyle \omega } is therefore given by the geometric (complex)
Digital ion trap (5,250 words) [view diff] exact match in snippet view article find links to article
{4eV}{mr_{0}^{2}\Omega ^{2}}}.\qquad \qquad (2)\!} Here, Ω =2πf is the angular frequency of the digital waveform. Similar definitions of the a , q {\displaystyle
Schwarzschild geodesics (12,088 words) [view diff] exact match in snippet view article find links to article
from a circular orbit of radius router will oscillate stably with an angular frequency ω r 2 = 1 m [ d 2 V d r 2 ] r = r o u t e r {\displaystyle \omega
Multipole radiation (6,806 words) [view diff] exact match in snippet view article find links to article
}}(\mathbf {x} ,\omega )e^{-i\omega t}.} For convenience, only a single angular frequency ω is considered from this point forward; thus ρ ( x , t ) = ρ ( x
Product operator formalism (5,744 words) [view diff] exact match in snippet view article find links to article
single spin L {\displaystyle L} evolving under a chemical shift of angular frequency ω {\displaystyle \omega } is H = ω L z , {\displaystyle H=\omega L_{z}