AN ANALYSIS OF COEFFICIENT INACCURACY FOR 2-D FIR DIRECT FORM DIGITAL-FILTERS

被引：3
|
作者：
SIOHAN, P
机构：
[1] Centre Commun d'Etudes de Télédiffusion et Télécommunications (CCETT), Cesson-Sévigné
来源：
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS | 1990年 / 37卷 / 10期
关键词：
D O I：
10.1109/31.103228
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper presents an analysis of filter frequency errors due to coefficient quantization in direct form realization of zero-phase two-dimensional finite impulse-response (2-D FIR) digital filters. Applying a method already used for 1-D FIR digital filters [1], the case of 2-D FIR filters with octagonal or quadrantal symmetry is considered. Based on the analysis, statistical bounds on the frequency response errors and on the wordlength of the filter coefficients are developed and verified by experimental data. © 1990 IEEE
引用
收藏
页码：1308 / 1313
页数：6
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