Design of Special Impacting Filter for Multicarrier ABPSK System

被引：1
|
作者：
Chen, Zhimin [1 ]
Wu, Lenan [1 ]
机构：
[1] Southeast Univ, Sch Informat Sci & Engn, Nanjing 210096, Jiangsu, Peoples R China
来源：
MATHEMATICAL PROBLEMS IN ENGINEERING | 2013年 / 2013卷
基金：
中国国家自然科学基金;
关键词：
Cost functions - Poles - Bandpass filters - Frequency response - Iterative methods - Quadratic programming;
D O I：
10.1155/2013/921932
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A rather intuitive technique known as pole-zero placement is introduced to illustrate the frequency response of the special impacting filters (SIFs) with a pair of conjugate zero-poles and deduce the equation of the pole radii. Based on that, the paper proposes an iterative scheme to derive the parameters of the cascade notch filter. The cost function is determined by the cascading notch filter's influence on impacting filters, converting the cost function's least square problem to a filter parameters' standard quadratic programming problem. Finally, a cascading notch SIF (CNSIF) designed to demodulate the ABPSK signals is realized.
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收藏
页数：7
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