A continuous relaxation method for the design of finite impulse response filters with discrete coefficients

被引:0
作者
Zhang, Yaling [1 ]
Mu, Xuewen [2 ]
机构
[1] Department of Computer Science, Xi'an Science and Technology University, Xi'an 710054, China
[2] Department of Mathematics, Xidian University, No. 2, South Taibai Road, Xi'an 710071, China
来源
ICIC Express Letters, Part B: Applications | 2012年 / 3卷 / 06期
关键词
Impulse response - Bandpass filters - Quadratic programming;
D O I
暂无
中图分类号
TN713 [滤波技术、滤波器];
学科分类号
摘要
Based on the binary quadratic programming model of the design of Finite Impulse Response (FIR) digital filters with discrete coefficients, a continuous relaxation method is presented. The proposed method relaxes the binary quadratic programming model as a nonlinear programming with quadratic objective function and simple quadratic constraints. A feasible direction method is used to solve the nonlinear programming. Then an approximate solution is generated from the solution of the nonlinear programming. Compared with the semidefinite programming method, simulations demonstrate that the continuous relaxation method often yields the similar BER performances for the FIR filter design problem, but the average CPU time of this method is significantly reduced. © 2012 ISSN 2185-2766.
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页码:1349 / 1355
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