小波变换域的时间扩展信道的信号检测

时间扩展信道（TSD）是信道畸变的一种常见形式，它的最佳似然比检测器是副本相关积分器（RCI）。本文从连续小波变换的理论出发，推导了TSD信道小波变换域的最佳检测器（WDRCI），从理论上分析了它与副本相关积分器的等价性，用仿真实验给出了模拟的结果，验证了其有效性，并进一步说明了其性能优于小波域的副本相关器（WDRC）。

Signal Detection of TSD Channels in Wavelet Domain

The optimum LRT detector of time spreading dispersion channel,a familiar channel dispersion form,is replica correlation integrator(RCI).Based on continuous wavelet transform theory,an opptimum detector of TSD in wavelet domain(WDRCI)is investigated in this paper.It is shown that this detector is equivalent to RCI.At last,numeric simulation is conducted for verifying the theoretical results,and it shows that the performance of WDRCI is superior to that of WDRC.