R31

一个三点画圆的程序。点三个点，然后根据这三个点画圆。(a 3:00 Circle procedures. Point 3, then under the three points Circle.)

利用幂法求矩阵特征值，属于数值解法的一种(Using power method to find eigenvalues of matrices, which is a kind of numerical solution.)

语音增强，基于数据融合的语音增强方法，用来处理稀疏噪声(Speech enhancement, speech enhancement based on data fusion method, used to deal with sparse noise)

编码开关源代码，实现音响的音量控制前级输入，(Coding switch the source code to achieve sound volume control preamplifier input,)

基于牛顿法的配网潮流计算程序，采用改进牛顿法，对初学者有很大帮助(Calculation is based on Newton s method with network flow program, an improved Newton, a great help for beginners)

Exellent Introduction to Statistics Toolbox 对matlab Statistics Toolbox的非常棒的demo (Exellent Introduction to Statistics Toolbox demo/M-Files: closeDTool.m Force close DFITTOOL (without confirmation dialog) createCarDatabase.m Creates dataset array from Excel file and converts appropriate variables to categorical arrays FuelEconomyAnalysis.m Main analysis script for publishing loadData.m Load all data in directory and create a single dataset modelMPG.m Creates model for MPG based on filter parameters myDistFit.m Distribution fit for MPG (auto-generated, not used in demo) myPlot.m Custom plot for plotting model MPG vs. actual MPG simMPG.m Simulate the model with parameters demo/Excel (.xls) Files: 00dat.xls Fuel economy data for the year 2000 01dat.xls Fuel economy data for the year 2001 02dat.xls Fuel economy data for the year 2002 03dat.xls Fuel economy data for)

system identification with least squares

转差频率控制的矢量控制系统matlab仿真模型(Slip frequency vector control system control matlab simulation model)

用LMS和RLS算法进行谱估计，求取均方误差(LMS and RLS algorithm spectral estimation strike mean square error)

Matlab编程实现FFT变换及频谱分析的程序代码（适合初学者加强理解）。（1)用Matlab产生正弦波,矩形波,以及白噪声信号，并显示各自时域波形图；(2)进行FFT变换，显示各自频谱图，其中采样率，频率、数据长度自选；(3)做出上述三种信号的均方根图谱,功率图谱,以及对数均方根图谱；(4)用IFFT傅立叶反变换恢复信号，并显示恢复的正弦信号时域波形图。(Matlab codes for FFT Understanding which contains sine wave,rectangular wave and the reletaed frequency spectrum figure about MSE,Log,IFFT and so on.)