upml

说明：  信号处理，音频处理系统中，演示脚本的声响混叠使用正弦信号(Demonstration Script of Audible Aliasing Using Sinusoidal Signals)

信号与系统课后教材源程序代码，绘制出连续信号时域波形(After-school teaching signals and systems source code, to map out a continuous signal waveform)

in this file is distribution-system

基于支持回归向量机的端点延拓程序解决EMD端点效应，包括向左延拓和向后延拓。(EMD solve end effect based on support vector machine regression endpoint extension programs, including the left rear extension and extension.)

这是一个三相SPWM逆变器，通过simulink对其进行仿真。(This is a three-phase SPWM inverter, through its simulation simulink.)

对信号进行短时傅里叶变换的逆变换，通过调用该函数查看信号进行处理后的时域信息(this code is used to processing the istft, and anslysis the distribution of the signal with time )

MATLAB高阶谱分析(Higher-Order Spectral Analysis )信号处理工具箱，有详细的安装说明。(MATLAB Signal Processing Toolbox higher order spectral analysis, a detailed installation instructions.)

在matlab下用DSPbuilder实现的4阶IIR滤波器设计(In matlab using DSPbuilder realize 4-order IIR filter design)

计算流体力学（CFD）的基本思想。 里面有一个matlab编写的模拟例子(Computational Fluid Dynamics (CFD) There is a basic idea of the preparation of the simulated example matlab)

频域信号分析，bode图，相位图，幅频图(Frequency domain signal analysis , bode diagram, phase diagram , the amplitude-frequency diagram )