prob_tgamma

ti duffing neural network

FIR低通滤波器设计,表达得还比较详细，可以借鉴参考(FIR low-pass filter design, is also expressed in more detail, you can learn from the reference)

说明：  平面波展开法 2D Phononic Cystals eigvalue 正方格子(Plane wave expansion method 2D Phononic Cystals eigvalue)

hello people.There is some code on ns2 by Matlap used to simulate

基于matlab心音信号处理，正常异常心音的波形图绘制(Matlab signal processing based on heart sounds, abnormal heart sounds normal waveform drawing)

说明：  利用FFT频谱，包络谱，以及谱峭选频滤波的方法，在时间线下诊断故障。(Using FFT spectrum, envelope spectrum, and spectral selection filtering method, fault diagnosis under the timeline.)

frequency modulated example signal

Stephen J.Chapman《MATLAB编程（第二版）》英文影印版的中文译本，这本书对初学者很好的入门教材。(Stephen J.Chapman "MATLAB Programming (second edition)," the English version of the Chinese translation of photocopying, this book is a good primer for beginners.)

电压暂降正周期有效值,是四案例工程中比较常见的算法。(t=0:0.0002:0.2 y=cos(100*pi*t) y1=0.5*cos(100*pi*t) y(200:600)=y1(200:600) for i=1:1:901 u(i)=sqrt(sum(y(i:i+99).^2)/100) end plot(u) xlable( 采样点数 ) ylable( u ) )

matlab中基于封闭式基金的皮尔森相关系数分析(matlab-based closed-end funds in the Pearson correlation coefficient analysis)