| 复域FIR滤波器的一种设计方法 |
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| 引用本文： | 兰军,宋千,周智敏.复域FIR滤波器的一种设计方法[J].系统工程与电子技术,2000,22(7):17-19. |
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| 作者姓名： | 兰军 宋千 周智敏 |
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| 作者单位： | 国防科技大学电子工程学院,长沙,410073 |
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| 摘 要： | 给出了一种改进的FIR滤波器设计方法 ,该方法以复Chebyshev准则最佳地逼近一个给定的期望复值频率响应。它是通过求解半无限线性规划的对偶问题来实现的。该方法具有鲁棒性和很好的收敛特性 ,并且既可以设计复的频率响应 ,又可以设计实的频率响应。最后给出的计算机仿真结果说明了该算法的良好性能
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| 关 键 词： | 滤波器 线性规划 计算机模拟 |
| 修稿时间： | 1999-06-25 |
A Method for the Design of FIR Filters in Complex Domain |
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| Lan Jun,Song Qian,Zhou Zhimin.A Method for the Design of FIR Filters in Complex Domain[J].System Engineering and Electronics,2000,22(7):17-19. |
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| Authors: | Lan Jun Song Qian Zhou Zhimin |
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| Abstract: | We discuss an improved algorithm for the design of an FIR filter that best approximates in the complex Chebyshev sense, a desired complex-valued frequency response. The algorithm is a dual simplex linear programming problem. It is robust and exhibits good convergence speed. Both complex and real-valued impulse responses can be designed. Finally examples are presented to illustrate the performance of the algorithm. |
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| Keywords: | Filter Linear programming Computerized simulation |
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