Design of linear phase paraunitary filter banks with suboptimal coding gain without nonlinear optimization

Author

Ikehara, M. ; Nguyen, Q.

Author_Institution

Dept. of Sci. & Technol., Keio Univ., Yokohama, Japan

Volume

5

fYear

1998

fDate

31 May-3 Jun 1998

Firstpage

126

Abstract

First, we design a low-pass filter with some regularities and then M/2-1 highpass and bandpass filters are designed such that each filter has minimum compaction gain. The cost function which consists of the frequency constraint, orthogonal condition and the variance of output signal is expressed in quadratic form of the filter coefficients. Consequently, the cost function can be minimized by solving linear equations iteratively without using nonlinear optimization

Keywords

band-pass filters; delay circuits; digital filters; high-pass filters; low-pass filters; bandpass filters; compaction gain; cost function; filter coefficients; frequency constraint; highpass filters; linear equations; linear phase paraunitary filter banks; low-pass filter; orthogonal condition; output signal; quadratic form; suboptimal coding gain; Band pass filters; Channel bank filters; Compaction; Design methodology; Design optimization; Filter bank; Finite impulse response filter; Frequency; Image coding; Lattices;

fLanguage

English

Publisher

ieee

Conference_Titel

Circuits and Systems, 1998. ISCAS '98. Proceedings of the 1998 IEEE International Symposium on

Conference_Location

Monterey, CA

Print_ISBN

0-7803-4455-3

Type

conf

DOI

10.1109/ISCAS.1998.694424

Filename

694424