数据联合检测与信道估计源码，此为博士论文相关程序，对信道及信号检测有详尽的描述和仿真-Joint data detection and channel estimation source, this doctoral thesis program, a detailed descr iption of the channel and the signal detection and simulation

本文首先研究了语音激活检测算法。对基于短时能量和短时过零率双门限法语音激活检测的噪声估计算法做了研究及仿真，同时还研究了一种基于最小子带能量的噪声估计方法。-Firstly, studied voice activity detection algorithms. Based on activity detection and short-term energy zero rate threshold method voice noise estimation algorithm to do t