Frequency Domain Limitations in the Design of Nonnegative Impulse Response Filters

被引：13

作者：

Liu, Yuzhe ^{[1
]}

Bauer, Peter H. ^{[1
]}

机构：

[1] Univ Notre Dame, Dept Elect Engn, Mobile Sensor Syst MOSES Lab, Notre Dame, IN 46556 USA

来源：

IEEE TRANSACTIONS ON SIGNAL PROCESSING | 2010年 / 58卷 / 09期

关键词：

Filter; frequency response; frequency-domain bounds; nonnegative impulse response (NNIR); performance boundary; STEP-RESPONSE; BOUNDS;

D O I：

10.1109/TSP.2010.2050142

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 provides a fundamental characterization of nonnegative impulse response (NNIR) filters. The analysis is performed in terms of both geometrically and equidistantly spaced frequencies. Various inferences on the frequency domain limitations in NNIR filter design are analyzed. It is found that a performance boundary exists for NNIR lowpass filters independent of the system order. A specification test procedure is also provided for NNIR lowpass filters based on these analyses. The results are presented for systems in the discrete-time (D-T) domain, although equivalent results exist for systems in the continuous-time domain.

引用

页码：4535 / 4546

页数：12

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