Rational sampling filter banks based on IIR filters

被引：6
|
作者：
Argenti, F [1 ]
Del Re, E [1 ]
机构：
[1] Univ Florence, Dipartimento Ingn Elettron, Florence, Italy
来源：
IEEE TRANSACTIONS ON SIGNAL PROCESSING | 1998年 / 46卷 / 12期
关键词：
IIR filter banks; nonuniform filter banks;
D O I：
10.1109/78.735313
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：
In this correspondence, the problem of splitting the spectrum of a digital signal bg using nonuniform infinite impulse response (IIR) filter banks is addressed. Near perfect reconstruction (NPR) is considered. The method uses the modulation of different IIR prototypes. The cancellation of the main aliasing components constrains the prototypes to be dependent on each other. By using this approach, linear-phase prototypes are needed, and noncausal filtering is required. Numerical examples of filter bank design are given, and the computational complexity is compared with the finite impulse response (FIR) case.
引用
收藏
页码：3403 / 3408
页数：6
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