FFT-harmonic-Matlab-

生成一个采样频率2000，由50Hz、120Hz、200Hz正弦信号以及噪声信号组成的数字信号，滤掉150Hz>f>100Hz的频率，计算并显示滤波前后的原始数据波形以及功率谱密度。(A sampling frequency of 2000, a digital signal composed of 50Hz, 120Hz, 200Hz sine and noise signals, is generated to filter out the frequency of 150Hz>f>100Hz and to calculate and display the original data waveforms and the power spectral density before and after the filtering.)

改文件描述了2DPSK的一些基本原理及其实现方法，主要在MATLAB环境实现(the description of 2DPSK)

使用有限时域差分法模拟THZ波在二维光子晶体中的传播(simulation of THZ wave spreading in two-dimensional photonic crystals using FDTD)

基于PCA（Principal Component Analysis）算法的故障检测(Fault detection based on PCA algorithm,)

高斯建模实现图像背景生成，人有不妥之处，大家共同研究(Gaussian modeling of the background image generation, were something wrong with the common research)

双绞线串扰仿真模型研究Simulation model of twisted-pair crosstalk(Simulation model of twisted-pair crosstalk)

satelite modern project

使用MATLAB实现的基于多类别的KNN算法，简称为MLKNN(Using MATLAB to achieve KNN algorithm based on multi-category, referred to as MLKNN)

复模态到实模态的转换，一个简单有效的小程序。(Complex Mode to Real Mode, a useful matlab function.)

with this file, you can change decimal format into binary format.