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this code discribe the method related to nearest neighbour

设计一个采用 2ASK（OOK）调制的数字通信系统，给定载波频率为码元速率的2倍，产生二进制随机数据，并仿真其对应的 2ASK 调制波形，分析其频谱。所产生的调制波形加入不同信噪比的白噪声，再观察其波形和频谱变化。(Design of a use 2ASK (OOK) modulated digital communication system, a given carrier frequency is twice the symbol rate, to generate a random binary data, and simulate its corresponding 2ASK modulation waveform, the spectrum analysis. Modulated waveform generated by white noise with different noise ratio, and then observe its waveform and spectrum changes.)

基于mfcc参数的语音识别，matlab代码，可以对孤立语音词识别(Speech recognition based on MFCC parameters, matlab code, can identify isolated speech words)

根据邻接矩阵，计算复杂网络中模块的聚类系数。(According to the adjacency matrix, the computational complexity of the network module clustering coefficients.)

this is the leach protocol simulation in matlab of wireless sensor network

空间谱估计，DOA到达角估计，MUSIC算法仿真以及延伸算法(Spatial spectrum estimation, DOA DOA estimation, MUSIC algorithm simulation and extended algorithm)

自适应滤波LMS算法和bp算法，解决一些基本数学问题(Adaptive filtering LMS algorithm and the bp algorithm to solve basic math problems)

nsga2算法实例，用于多目标优化,基于pareto排序以及共享函数的多目标遗传算法(An example of NSGA2 algorithm, for multi objective optimization)

cusum test for faulty

这是一个详细的matlab中som的使用方法，每一步有详细的注解并伴有图片显示，使大家快速的入门并掌握住(This is a detailed matlab in som way to use each step with detailed comments and accompanied by pictures show, so that we can quickly get up and grasp)