| 一种单信道时频重叠多进制数字相位调制信号调制识别方法 |
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| 引用本文： | 曾创展,贾鑫.一种单信道时频重叠多进制数字相位调制信号调制识别方法[J].科学技术与工程,2016(5):172-176. |
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| 作者姓名： | 曾创展 贾鑫 |
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| 作者单位： | 装备学院研究生管理大队;装备学院光电装备系 |
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| 摘 要： | 针对单信道两个时频重叠多进制数定相位调制(multiple phase shift keying,MPSK)信号的调制识别问题,提出了一种基于联合特征参数的调制识别方法。根据时频重叠信号在循环频率上的可分性,结合信号的瞬时自相关特性,提出了两个特征参数,对任意组合的双相移键控信号(共6种)进行分类识别。仿真结果表明,在信噪比大于6 d B时,各信号组合的平均正确识别率能达到90%。
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| 关 键 词： | 调制识别 单信道时频重叠 循环平稳 瞬时自相关 低信噪比 |
A Modulation Recognition Method for Time-frequency Overlapped MPSK Signals in the Single Channel |
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| ZENG Chuang-zhan;JIA Xin.A Modulation Recognition Method for Time-frequency Overlapped MPSK Signals in the Single Channel[J].Science Technology and Engineering,2016(5):172-176. |
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| Authors: | ZENG Chuang-zhan;JIA Xin |
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| Institution: | ZENG Chuang-zhan;JIA Xin;Department of Graduate Management,Equipment Academy;Department of Optical and Electronic Equipment,Equipment Academy; |
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