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同类2FSK混合信号中微弱信号提取方法研究

Hongli LEI,Yang LU,Xin XIANG,Baohua LIU,Jingyi ZHANG

Semiconductor Optoelectronics（2016）

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Abstract
将噪声对消理论应用于同类混合信号中微弱信号的提取,分析了信号相关性对提取结果的影响.在Simulink中仿真了相关2FSK信号使用噪声对消理论提取期望信号的误码率.对原有的噪声对消工作模式做出改进,提出了基于训练模式的工作方式.仿真结果表明,在新的工作模式下,相关的2FSK信号能够很好地分离,系统在高斯噪声条件下的误码率曲线和理论曲线基本重合.
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Key words
similar mixed signal,noise cancellation,training mode,Gauss noise
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