NS2网络仿真源码，包含书上所有的内容。直接直接使用。-NS2 network simulation source code, including all the contents of the book. Direct direct use.

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

modeling and simulation of differents technology of wind energy

OFDM系统仿真 加入循环前缀 加燥 绘制误码率能量谱等-OFDM system simulation by adding cyclic prefix and drying to draw the error rate energy spectrum, etc.