AdaptiveWavelet

频谱选取，一般用于后续向量机的诊断的特征。进行了频谱分析后对每个频带的能量进行分离开。(Spectral selection, generally for subsequent diagnostic feature vector machine. Spectrum analysis conducted after the energy of each frequency band to leave.)

利用python实现基于用户的协同过滤推荐，采用pearson相关系数计算相似度，加权平均预测分数(Users use python-based collaborative filtering recommendation, pearson correlation coefficient is calculated using the similarity, the weighted average prediction scores)

levenberg marquette method predictor.

adc converter, sampling and cuantization code

Simulink engineer orchard

单神经元PID的matlab的仿真程序，这是从一本书上得来的。(Single neuron PID of matlab simulation program, which is from a book comes from.)

方波信号的混沌阵子仿真模型，可用来仿真信号的最低信噪比！(The stream of square wave simulation model of the chaotic signal can be used to simulate the signal of the minimum signal to noise ratio!)

说明：  基于麦克风阵列的声源定位，四元十字阵的matlab仿真(Microphone array based sound localization, four-element Array of matlab simulation)

说明：  七单元天线阵DOA估计 clear clc d=1 天线阵元的间距 lma=2 信号中心波长 q1=1*pi/4 q2=1*pi/3 q3=1*pi/6 q4=3*pi/4 四输入信号的方向 A1=[exp(-2*pi*j*d*[0:6]*cos(q1)/lma)] 求阵因子 A2=[exp(-2*pi*j*d*[0:6]*cos(q2)/lma)] A3=[exp(-2*pi*j*d*[0:6]*cos(q3)/lma)] A4=[exp(-2*pi*j*d*[0:6]*cos(q4)/lma)] A=[A1,A2,A3,A4] 得出A矩阵 n=1:1900 v1=.015 四信号的频率 v2=.05 v3=.02 v4=.035 d=[1.3*cos(v1*n) 1*sin(v2(we)

小波变换，实现语音的基音检测，主要用来检测语音基音周期，小波变换的实现(Wavelet transform, implemented voice detection, voice pitch is mainly used test cycle, the realization of wavelet transform)