Chebyshev functions-based new designs of halfband low/highpass quasi-equiripple FIR digital filters

被引：0
|
作者：
Khan, IR
Ohba, R
机构：
[1] Univ Kitakyushu, Dept Informat & Media Sci, Wakamatsu Ku, Kitakyushu, Fukuoka 8080135, Japan
[2] Kitakyushu Fdn Advancement Ind Sci & Technol, Ctr Collaborat, Wakamatsu Ku, Kitakyushu, Fukuoka 8080135, Japan
[3] Hokkaido Univ, Grad Sch Engn, Div Appl Phys, Sapporo, Hokkaido 0608628, Japan
来源：
EURASIP JOURNAL ON APPLIED SIGNAL PROCESSING | 2003年 / 2003卷 / 03期
关键词：
digital filters; FIR; halfband; equiripple; Chebyshev functions;
D O I：
10.1155/S1110865703211148
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：
Chebyshev functions, which are equiripple in a certain domain, are used to generate equiripple halfband lowpass frequency responses. Inverse Fourier transformation is then used to obtain explicit formulas for the corresponding impulse responses. The halfband lowpass FIR digital filters designed in this way are quasi-equiripple, having performances very close to those of true equiripple filters, and are comparatively much simpler to design.
引用
收藏
页码：312 / 316
页数：5
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