Jong-Jy Shyu

National University of Kaohsiung

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Soo‐Chang Pei

National Taiwan University

Yun-Da Huang

National Taiwan University

Cheng-Han Chan

U.S. Air Force Institute of Technology

Soo-Chang Pei

National Taiwan University

Soo-Chang Pei

National Taiwan University

Yuan-Chih Lin

National Taiwan University

Shih-Hsin Lin

National Taiwan University

Richard Hsin-Hsyong Yang

Yale University

Chien–Cheng Tseng

National Kaohsiung University of Science and Technology

Kuo-Chang Fu

Tatung University

Cooperative Institutions

National Taiwan University

Tatung University

National Kaohsiung First University of Science and Technology

National University of Kaohsiung

National Kaohsiung University of Science and Technology

University of Science and Technology

National Central University

National Ilan University

Jinwen University of Science and Technology

Carnegie Mellon University

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A new structure for the design of wideband variable fractional-order FIR differentiators

Signal Processing (2010)

Cheng-Han Chan Jong-Jy Shyu Richard Hsin-Hsyong Yang

Differentiator

Wideband

Finite impulse response

10.1016/j.sigpro.2010.03.005

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Citations (8)

Design of variable comb filter using FIR variable fractional delay element

Signal Processing (2012)

Soo‐Chang Pei Yun-Da Huang Shih-Hsin Lin Jong-Jy Shyu

Comb filter

Finite impulse response

Butterworth filter

All-pass filter

10.1016/j.sigpro.2012.03.001

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Citations (17)

Design of two-dimensional FIR digital filters with specified magnitude and group delay responses by analytical least-squares method

Signal Processing (1996)

Soo‐Chang Pei Jong-Jy Shyu

10.1016/s0165-1684(96)00113-2

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Citations (2)

Equiripple phase design of complex all-pass networks

Jong-Jy Shyu Soo‐Chang Pei

A new method is proposed for designing complex all-pass IIR filters, the all-pass IIR filters with complex coefficients, in this paper. By minimizing the integration of certain square phase error over interested frequencies, an eigenvector of an appropriate real, symmetric and positive-definite matrix is computed to get the filter coefficients. The stability is achieved by specifying properly the desired phase specifications. If an appropriate iterative process is used, equiripple complex all-pass filter design can be obtained. The method is simple and the performance is comparable to the existing methods. Several examples are presented to demonstrate the effectiveness of the approach.

2D Filters

Linear phase

Matrix (chemical analysis)

10.1109/apccas.1994.514555

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Citations (0)

Minimax phase error design of allpass variable fractional-delay digital filters by iterative weighted least-squares method

Signal Processing (2009)

Jong-Jy Shyu Soo‐Chang Pei Cheng-Han Chan

Least-squares function approximation

All-pass filter

10.1016/j.sigpro.2009.03.021

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Citations (34)

Eigenfilter design of higher-order digital differentiators

IEEE Transactions on Acoustics Speech and Signal Processing (1989)

Soo-Chang Pei Jong-Jy Shyu

An effective approach is proposed for designing higher order differentiators by the eigenfilter method. By minimizing a quadratic measure of the error in the frequency band, an eigenvector of an appropriate matrix is computed to get the filter coefficients. This method is not only simple and fast, but also optimal in the least-squares sense. Comparison to the McClellan-Parks algorithm for minimax equiripple filters shows that both are optimal in the sense of different minimum norms of the error function, but much better performance is obtained with the proposed approach in most of the frequency band, except in the narrowband region near the cutoff edge.< >

Differentiator

Narrowband

Stopband

10.1109/29.17531

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Citations (106)

An iterative method for the design of variable fractional-order FIR differintegrators

Signal Processing (2008)

Jong-Jy Shyu Soo‐Chang Pei Cheng-Han Chan

Differentiator

Finite impulse response

10.1016/j.sigpro.2008.09.009

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Citations (77)

A New Criterion for the Design of Variable Fractional-Delay FIR Digital Filters

IEEE Transactions on Circuits and Systems I Regular Papers (2009)

Jong-Jy Shyu Soo‐Chang Pei Cheng-Han Chan Yun-Da Huang Shih-Hsin Lin

Conventionally, variable fractional-delay finite-impulse-response digital filters are generally designed by minimizing the root-mean-square error of variable frequency response. In this paper, a new criterion concerning the minimization of the root-mean-square error of variable group-delay response is proposed. However, minimization is a highly nonlinear problem, so an iterative method is proposed in this paper to overcome it. To further reduce the maximum absolute group-delay error in the least squares design, an iterative weighting-updated technique is also proposed, which constitutes the outer loop of the overall iterative process while the iteration stated earlier makes up the inner loop. Several design examples will be presented to demonstrate the effectiveness of the proposed method.

Finite impulse response

Minification

Square root

Impulse response

10.1109/tcsi.2009.2023835

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Citations (23)

An iterative approach for minimax design of multidimensional quadrature mirror filters

Signal Processing (2011)

Jong-Jy Shyu Soo‐Chang Pei Yun-Da Huang

Quadrature mirror filter

Quadrature (astronomy)

Finite impulse response

Distortion (music)

10.1016/j.sigpro.2011.01.019

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Citations (13)

3-D FIR Cone-Shaped Filter Design by a Nest of McClellan Transformations and Its Variable Design

IEEE Transactions on Circuits and Systems I Regular Papers (2010)

Jong-Jy Shyu Soo‐Chang Pei Yun-Da Huang

In this paper, the technique of a nest of McClellan transformations is proposed for the design of 3-D FIR cone-shaped filters. First, a transformation subfilter for fan-type mapping is found. Then the cosine term of a frequency variable of the above transformation subfilter is replaced by an embedded transformation subfilter which possesses circular contours. The technique stated above is also extended to design 3-D FIR variable cone-shaped filters such that the inclination of the cone-shaped filters can be adjusted online. Moreover, an efficient structure is proposed for the implementation of the designed filters. Several examples will be presented to demonstrate the effectiveness of the proposed method.

Cone (formal languages)

Finite impulse response

10.1109/tcsi.2009.2033547

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Citations (8)