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searching for shift theorem 7 found (13 total)

Fourier transform (21,314 words) [view diff] no match in snippet view article find links to article

In mathematics, the Fourier transform (FT) is an integral transform that takes a function as input then outputs another function that describes the extent

Discrete Fourier transform (12,333 words) [view diff] exact match in snippet view article find links to article

Frequency shift theorem x n − ℓ {\displaystyle x_{n-\ell }\,} X k e − i 2 π k ℓ / N {\displaystyle X_{k}e^{-i2\pi k\ell /N}\,} Time shift theorem x n ∈ R

Phase correlation (1,774 words) [view diff] exact match in snippet view article find links to article

already been computed, it is especially convenient to use the Fourier shift theorem with real-valued (sub-integer) shifts for this purpose, which essentially

BIO-LGCA (4,574 words) [view diff] exact match in snippet view article find links to article

transform can be applied on both sides of the equation. After applying the shift theorem and isolating the term with a temporal increment on the left, one obtains

Ptychography (5,077 words) [view diff] exact match in snippet view article find links to article

the illumination changes the interference condition (by the Fourier shift theorem). The two measurements can be used to solve for the relative phase between

Iterative rational Krylov algorithm (1,733 words) [view diff] no match in snippet view article find links to article

solving r {\displaystyle r} dual pairs of linear systems, one for each shift [Theorem 1.1]: ( σ i I − A ) v i = b , ( σ i I − A ) ∗ w i = c , ∀ i = 1 , …

Phasor approach to fluorescence lifetime and spectral imaging (1,403 words) [view diff] exact match in snippet view article find links to article

circle from small angles to larger angles. This corresponds to the shift theorem of Fourier transforms. Changing the spectral width from zero to infinity