摘要
在时变噪声环境中,各个SCCMF的信噪比在不同的噪声段会产生不同程度的恶化,一旦处于噪声的尖峰位置将会严重影响MCCMF的检测性能。为改进这点不足,文中设计了一种自适应多循环频率循环相关匹配滤波检测器(AMCCMF,Adaptive MCCMF),基于自适应理论中的序贯回归(SER)思想确定了其优化流程图,通过平稳高斯白噪声以及两种恶化系数不同的时变高斯白噪声背景下的仿真试验,可知AMCCMF的检测性能要优于MCCMF。
In the time-raring noise environment, the SNR to every single-cycle detector based on Cyclic Correlation Matched Filtering would suffer deterioration of different extent, and could severely influence the detective performance of the MCCMF at the peak value position. For improving this insufficiency, a adaptive MCCMF （AMCCMF） is designed, and its optimized flow chart based on the SER method in the adaptive theory is fixed by the emulational experiment in the time varing noise background with two different deterioration coefficients and gaussian white noise background, AMCCMF＇ s detective performance is proved better than MCCMF＇ s.
出处
《通信技术》
2009年第9期44-46,共3页
Communications Technology
