[PDF] Top 20 Two dimensional discrete fractional Fourier transform
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Two dimensional discrete fractional Fourier transform
... Two dimensional discrete fractional Fourier transform Soo-Chang Pei !,*, Min-Hung Yeh" ! Department of Electrical Engineering, National Taiwan University, Taipei, Taiwan, ROC " ... See full document
10
Two-Dimensional Affine Generalized Fractional Fourier Transform
... canonical transform introduced by [1] and mixed them with the geometric twisting ...1-D fractional Fourier transform but can also be a useful tool for the pattern recogni- tion with some ... See full document
20
Discrete fractional Fourier transform
... A generalization of Fourier trasform, FRFT, is treated as a rotation of signal in the time-frequency plane, so it satisfies the following rotation properties:.. The [r] ... See full document
4
A novel method for discrete fractional Fourier transform computation
... With the help of this novel method, the DFRFT of any angle can be computed by the weighted summation of the DFRFTs with the special angles.. Moreover, the proposed algori[r] ... See full document
4
Discrete fractional Fourier transform based on new nearly tridiagonal commuting matrices
... on discrete Hermite-Gaussian like functions, a discrete fractional Fourier transform (DFRFT) which provides sample approximations of the continuous fractional Fourier ... See full document
4
Discrete Fractional Fourier Transform Based on New Nearly Tridiagonal Commuting Matrices
... new discrete Hermite–Gaussian-like ...combining two nearly tridiagonal matrices, a new set of commuting matrices, whose DFT eigenvectors are even more similar to the continuous HGFs, were also ... See full document
14
Discrete Fractional Hilbert Transform
... of discrete fractional Hilbert transform for a rectangular window are shown in ...the discrete fractional Hilbert transform of a rectangular function consists of two peaks ... See full document
5
An efficient architecture for two-dimensional discrete wavelet transform
... The advantages of the proposed architecture are the near 100% hardware utilization, fast computation time, regular data flow, and low complexity control circuit, making this desi[r] ... See full document
4
An Efficient Architecture for Two-Dimensional Discrete Wavelet Transform
... “ ” imply that the output frequency is half the input fre- quency. The decimation filter can be implemented directly by a filter followed by a two-folded decimator. However, the deci- mator discards one sample out ... See full document
10
A new discrete fractional Fourier transform based on constrained eigendecomposition of DFT matrix by Largrange multiplier method
... The eigencomposi- tion of the DFT matrix is derived by sampling the Hermite Gauss functions which are eigenfunctions of the continuous fractional Fourier transform imd by perform[r] ... See full document
4
A new discrete fractional Fourier transform based on constrained eigendecomposition of DFT matrix by Largrange multiplier method
... An Adiabatic Differential Logic for Low-Power Digital Systems Chun-Keung Lo and Philip C. H. Chan Abstract—A new adiabatic circuit technique called adiabatic differential cascode voltage switch with complementary ... See full document
6
Recursive fast computation of the two-dimensional discrete cosine transform
... Employing fast algorithms for the computation of these CCiSCC oper- ations, we can thus substantially reduce the numbers of multiplications required, compared with those of [r] ... See full document
9
Memory analysis and architecture for two-dimensional discrete wavelet transform
... Email: {cthuang, pctseng, lgchen}@video.ee.ntu.edu.tw ABSTRACT The large amount of the frame memory access and the die area occupied by the embedded internal buffer are the most critical is- sues for the implementation ... See full document
4
Two-variable modularized fast polynomial transform algorithm for2-D discrete Fourier transforms
... The modularity, regularity, and easy extensi- bility of the proposed algorithm make it of great practical value in computing multidimensional discrete Fourier transforms [r] ... See full document
4
Closed-form discrete fractional and affine Fourier transforms
... Closed-Form Fractional and Affine Fourier Transform of Type 2 In general, we can use the discrete transform to do the fol- lowing: 1) Compute the continuous transform for ... See full document
16
Generic RAM-based architectures for two-dimensional discrete wavelet transform with line-based method
... of two-port RAMs of size can be used to implement it, where is the number of registers in the adopted 1-D DWT ...keeps two-input/two-output per clock cycle after the 1-D DWT coefficients of the first ... See full document
11
The Self-Duality of Discrete Short-Time Fourier Transform and Its Applications
... Intuitively, the approach can be understood as to create the func- tion by harnessing two forces which compensate each other. The minimization of the norm makes the resulting assemble the Wigner distribution and ... See full document
9
Application of two-dimensional nonuniform fast Fourier transform (2-D NUFFT) technique to analysis of shielded microstrip circuits
... The third example is a microstrip wide-band filter in a shielded box of sizes 30.352 30.352 16 mm . The dimen- sions of circuit layout are adopted from [23]. Fig. 8 shows the circuit division in our analysis. The reason ... See full document
7
Simplified fractional Fourier transforms
... only two spherical disks with radii that vary with D and hence vary with ...other two spherical disks have infinite radii and can be replaced by plane receivers, which would lessen the cost of the imple- ... See full document
13
An FPT algorithm with a modularized structure for computingtwo-dimensional discrete Fourier transforms
... In this correspondence, we have shown that constant unitary ma- trices exist which transform a Hermitian Toeplitz matrix into a real Toeplitz-plus-Hankel structure. As a consequence [r] ... See full document
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