THEORY OF 2-DIMENSIONAL MULTIRATE FILTER BANKS

被引：79

作者：

KARLSSON, G

VETTERLI, M

机构：

[1] COLUMBIA UNIV,DEPT ELECT ENGN,NEW YORK,NY 10027

[2] AT&T BELL LABS,HOLMDEL,NJ 07733

[3] COLUMBIA UNIV,CTR TELECOMMUN RES,NEW YORK,NY 10027

来源：

IEEE TRANSACTIONS ON ACOUSTICS SPEECH AND SIGNAL PROCESSING | 1990年 / 38卷 / 06期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1109/29.56054

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

New results are presented on two-dimensional finite-im-pulse-response filter banks for multirate applications. The theory is valid for all sampling lattices, and conditions for alias-free and perfect signal reconstruction are derived. Synthesis structures for paraunitary and nonparaunitary polynomial matrices are derived, which yield perfect reconstruction filter banks. The degrees of freedom are given for these systems. Linear phase conditions are posed on the polyphase form of filter banks, which is used to derive a design structure for the restricted, but important, case of linear phase filter banks. © 1990 IEEE

引用

页码：925 / 937

页数：13

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