mqam

心电信号处理，滤波与计算 之：数据的读取(ECG signal processing, filtering and calculation of: reading data)

用MATLAB 编写的三轴加速度计标定程序。然后对标定的结果进行补偿(Using MATLAB-axis accelerometer calibration procedures. Then the result of calibration to compensate)

用于多孔介质中波的传播，分析波的传播速度随入射角的变化，消除频散的特性(wave propogation in porous media)

说明：  在网上下载的好用的傅里叶变换程序 时域变频域信号分析(Fourier transform program)

一篇运动硬化的文章，英文原版,Implementation of cyclic plasticity models based on a general form of kinematic hardening(A kinematic hardening of the article, the original English,Implementation of cyclic plasticity models based on a general form of kinematic hardening)

matlab编写的正态云发生器与云拟合程序，其中中有较详细的注释。 ，经测试可直接使用。 (matlab write normal cloud generator and cloud fitting procedures, which have more detailed comments. Has been tested and can be used directly.)

介绍windows程序运行原理，讲述详细，涉及到windows运行的基本流程，让读者可以总体把握，比较适合初学者阅读使用。(Introduction windows program operating principle, tells in detail, the basic process involves running windows so that the reader can grasp the whole, more suitable for beginners to read to use.)

例4：在sinc(t)信号中叠加噪声，分析对应频谱 fs=100 采样频率,必须大于两倍基带信号最高频率 ts=1/fs 采样时间间隔 T=2 时间窗大小 ( x=x+0.1*randn(1,N) x=awgn(x,-10, measured ) figure plot(t,x) title( 时域信号图 ) xlabel( t /s ) y=fft(x,N) figure if mod(N,2)~=0 N=N-1 end f=linspace(0,fs/2,N/2) plot(f,abs(y(1:N/2))*2/N) title( 叠加噪声的sinc(t)信号频谱 ) xlabel( f /Hz ) figure y0=y(1:N/2) P=y0.*conj(y0)/N P=10*log10(P) plot(f,P) title( 功率谱 ) xlabel( f /Hz ) )

CHOLMOD: a sparse Cholesky factorization package

方程求根的matlab程序，用的是平行法则，仅供参考(Roots of the equation matlab program, using a parallel rule, for reference only)