| 基于数字化接收机的补偿滤波器设计 |
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| 引用本文： | 孟飞,房爽,李饶辉,谢良贵.基于数字化接收机的补偿滤波器设计[J].计算机工程与设计,2008,29(18). |
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| 作者姓名： | 孟飞 房爽 李饶辉 谢良贵 |
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| 作者单位： | 中国航天科工集团第二研究院23所,北京,100854 |
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| 摘 要： | 阐述了数字化接收机中需要设计的CIC滤波器,分析用于设计补偿滤波器的基于切比雪夫逼近准则的FIR数字滤波器设计方法,给出了根据Remez算法设计的补偿滤波器.仿真实验表明,该补偿滤波器在改善CIC滤波器固有的通带衰减问题上的有效性.
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| 关 键 词： | 数字化接收机 CIC滤波器 FIR数字滤波器 补偿滤波器 Remez算法 |
Design of compensating filter in digital receiver |
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| MENG Fei,FANG Shuang,LI Rao-hui,XIE Liang-gui.Design of compensating filter in digital receiver[J].Computer Engineering and Design,2008,29(18). |
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| Authors: | MENG Fei FANG Shuang LI Rao-hui XIE Liang-gui |
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| Affiliation: | MENG Fei,FANG Shuang,LI Rao-hui,XIE Liang-gui(Institute No 23,Second Academy of China Aerospace Science , Industry Corporation,Beijing 100854,China) |
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| Abstract: | The CIC filter which needs to be designed in digital receiver is discussed.The design procedure of FIR digital filter which is based on Chebyshev approximation theory and used to design compensating filter is analyzed,and the compensating filter designed ac-cording to Remez algorithm is provided.Finally the simulation results verify the validity of the compensating filter to improve the inherent passband attenuation of CIC filter. |
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| Keywords: | digital receiver CIC filter FIR digital filter compensating filter Remez algorithm |
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