| NOUN | a Fourier space | Fourier spaces |
NOUN article.ind sg | pl
21 Übersetzungen
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- At the same time that this experiment was reported, a Fourier-space variant of x-ray ghost imaging was published.
- The name Top-hat filter refers to several real-space or Fourier space filtering techniques (not to be confused with the top-hat transform).
- Being a Fourier space method, it suffers from the Gibbs phenomenon and slow convergence in some configuration when fast Fourier factorization is not used.
- As the order "j" increases, these wavelets become more localized in Fourier space (frequency) and in higher frequency bands, and conversely become less localized in time ("t").
- The smoothing of the maps occurs through assuming prior probability to be a Gaussian distribution and analyzing the data in the Fourier space.
- This can be called an "inverse transfer" in Fourier space, as opposed to the "(direct)" energy cascade in threedimensional turbulent hydrodynamical flows.
- Computationally, the Poisson summation formula is useful since a slowly converging summation in real space is guaranteed to be converted into a quickly converging equivalent summation in Fourier space.
- It is a Fourier-space method so devices and fields are represented as a sum of spatial harmonics.
- The HIO algorithm uses negative feedback in Fourier space in order to progressively force the solution to conform to the Fourier domain constraints (support).
- In structural biology, as well as in virtually all sciences that produce three-dimensional data, the Fourier shell correlation (FSC) measures the normalised cross-correlation coefficient between two 3-dimensional volumes over corresponding shells in Fourier space (i.e., as a function of spatial frequency The FSC 0.143 cutoff was proposed in part to make the resolution measurement comparable to measurements used in X-ray crystallography.
- is a reciprocal vector in Fourier space. The brackets denote a statistical average about all pairs of atoms with distance R an.
- Such analysis is done in Fourier space; the interaction terms of the Hamiltonian which remain correspond to the Fourier expansion of the electron coupling for which q ≠ 0.
- and this convolution is with a delta function in Fourier space, resulting in the true Fourier transform of the signal [...].
- In scientific imaging, the two-dimensional spectral signal-to-noise ratio (SSNR) is a signal-to-noise ratio measure which measures the normalised cross-correlation coefficient between several two-dimensional images over corresponding rings in Fourier space as a function of spatial frequency [...].
- It is commonly used in image registration and relies on a frequency-domain representation of the data, usually calculated by fast Fourier transforms.
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