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基于递归最小二乘算法的时相调制频移滤波方法

毛忠阳, 王红星, 王洪利, 赵培洪, 赵志勇

毛忠阳, 王红星, 王洪利, 赵培洪, 赵志勇. 基于递归最小二乘算法的时相调制频移滤波方法[J]. 电波科学学报, 2012, 27(4): 739-746.
引用格式: 毛忠阳, 王红星, 王洪利, 赵培洪, 赵志勇. 基于递归最小二乘算法的时相调制频移滤波方法[J]. 电波科学学报, 2012, 27(4): 739-746.
MAO Zhongyang, WANG Hongxing, WANG Hongli, ZHAO Peihong, ZHAO Zhiyong. Frequency shift filtering of time-phase modulation based on recursive least-square algorithm[J]. CHINESE JOURNAL OF RADIO SCIENCE, 2012, 27(4): 739-746.
Reference format: MAO Zhongyang, WANG Hongxing, WANG Hongli, ZHAO Peihong, ZHAO Zhiyong. Frequency shift filtering of time-phase modulation based on recursive least-square algorithm[J]. CHINESE JOURNAL OF RADIO SCIENCE, 2012, 27(4): 739-746.

基于递归最小二乘算法的时相调制频移滤波方法

详细信息
    作者简介:

    毛忠阳(1979-),男,河南人,海军航空工程学院讲师,博士,主要研究方向为现代通信新技术、通信信号处理;王红星(1962-)男,河南人,海军航空工程学院电子信息工程系教授,博士生导师,主要研究方向为现代通信新技术、调制解调技术等;王洪利(1979-),男,山东人,海军航空工程学院讲师,博士,主要研究方向为现代通信新技术。

    通信作者:

    毛忠阳 E-mail:freedom_mzy@yahoo.cn

  • 中图分类号: TN911.22

Frequency shift filtering of time-phase modulation based on recursive least-square algorithm

  • 摘要: 针对噪声干扰,利用时相调制信号的谱相关特性,采用非平稳信号处理方法,提出一种基于递归最小二乘算法的时相调制频移滤波方法;同时对具有循环平稳特性的干扰源抑制方法进行了讨论,并分别给出相应的滤波器框图;对采用该滤波器前后的时相调制系统性能进行了仿真与比较。仿真结果表明:与循环相关匹配滤波方法相比,基于最小二乘算法的时相调制频移滤波方法可以有效抑制噪声对时相调制系统的影响,在满足10-5的误码率条件下,系统的功率需求降低约3 dB.
    Abstract: In order to deal with noise interference on time-phase modulation (TPM) signals, a frequency shift filtering method is proposed based on recursive least-square(RLS)algorithm by using non-stationary signal processing method and spectral characteristic of TPM.At the same time,the way of removing interferences which show cycle stationary characteristic is discussed,and the filter diagrams of these two filtering methods are presented.Finally, the performance of the filtering method is simulated and compared.The simulation shows that frequency shift filtering method of TPM based on RLS algorithm can suppress noises effectively, and the power requirement probably decreases 3 dB when the BER is equal to 10-5.
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    王洪利,王红星,毛忠阳.基于循环普特性的扩展二元相移键控解调算法[J].电波科学学报,2010,25(5):934-939.WANG Hongli,WANG Hongxing,MAO Zhongyang.Demodulation algorithm for EBPSK based on cyclic spectrum characteristic[J].Chinese Journal of Radio Science,2010,25(5):934-939.(in Chinese)
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  • 被引次数: 0
出版历程
  • 收稿日期:  2011-09-08
  • 网络出版日期:  2020-12-30
  • 发布日期:  2012-08-30

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