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- Soo-Chang Pei, Wen-Liang Hsue
- IEEE Signal Processing Letters
- 2009

In this letter, a new commuting matrix with random discrete Fourier transform (DFT) eigenvectors is first constructed. A random discrete fractional Fourier transform (RDFRFT) kernel matrix with random DFT eigenvectors and eigenvalues is then proposed. The RDFRFT has an important feature that the magnitude and phase of its transform output are both random.… (More)

- Soo-Chang Pei, Wen-Liang Hsue, Jian-Jiun Ding
- IEEE Transactions on Signal Processing
- 2009

Recently, Candan introduced higher order DFT-commuting matrices whose eigenvectors are better approximations to the continuous Hermite-Gaussian functions (HGFs). However, the highest order 2k of the O(h<sup>2k</sup>) NtimesN DFT-commuting matrices proposed by Candan is restricted by 2k+1 les N. In this paper, we remove this order upper bound restriction by… (More)

- Soo-Chang Pei, Wen-Liang Hsue, Jian-Jiun Ding
- IEEE Transactions on Signal Processing
- 2005

Based on discrete Hermite-Gaussian-like functions, a discrete fractional Fourier transform (DFRFT), which provides sample approximations of the continuous fractional Fourier transform, was defined and investigated recently. In this paper, we propose a new nearly tridiagonal matrix, which commutes with the discrete Fourier transform (DFT) matrix. The… (More)

- Soo-Chang Pei, Wen-Liang Hsue
- IEEE Transactions on Signal Processing
- 2008

In this paper, we first establish new relationships in matrix forms among discrete Fourier transform (DFT), generalized DFT (GDFT), and various types of discrete cosine transform (DCT) and discrete sine transform (DST) matrices. Two new independent tridiagonal commuting matrices for each of DCT and DST matrices of types I, IV, V, and VIII are then derived… (More)

- Soo-Chang Pei, Jian-Jiun Ding, Wen-Liang Hsue, Kuo-Wei Chang
- IEEE Transactions on Signal Processing
- 2008

It is well known that some matrices (such as Dickinson-Steiglitz's matrix) can commute with the discrete Fourier transform (DFT) and that one can use them to derive the complete and orthogonal DFT eigenvector set. Recently, Candan found the general form of the DFT commuting matrix. In this paper, we further extend the previous work and find the general form… (More)

- Wen-Liang Hsue, Soo-Chang Pei
- 2006 IEEE International Conference on Acoustics…
- 2006

The discrete fractional Fourier transform (DFRFT) is a generalization of the discrete Fourier transform (DFT) with one additional order parameter. In this paper, we extend the DFRFT to have N order parameters, where N is the number of the input data points. The proposed multiple-parameter discrete fractional Fourier transform (MPDFRFT) is shown to have all… (More)

- Wen-Liang Hsue, Chien-Chung Yeh
- Signal Processing
- 1995

- Wen-Liang Hsue, Wei-Ching Chang
- IEEE Trans. on Circuits and Systems
- 2015

- Fong-Maw Tsai, Wen-Liang Hsue
- IWDW
- 2014

- Soo-Chang Pei, Wen-Liang Hsue
- IEEE Signal Process. Lett.
- 2006