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MATLAB画vasp能带结构，画石墨烯能带结构(MATLAB painting vasp band structure of graphene band structure painting)

对图像进行预处理，然后进行经典的阈值分割，形态学分割以及种子区域生长。(Preprocess the image, and then the classic threshold segmentation, morphological segmentation as well as seed region growing.)

duffing振子数值建模,学习仿真，非线性动力学(study duffing Oscillator numerical modeling, learning simulation, nonlinear dynamics)

两个噪声信号及噪声信号和含噪声周期信号的互功率谱。 采用多窗口法估计含有周期信号的功率谱。(The two noise signal and noise signal and noise periodic signal containing the cross-power spectrum. Multi-window method is estimated to contain periodic signal power spectrum.)

：滤波 fs=400 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=5 时间窗大小 t=0:ts:T (hf1=zeros(1,N) hf1(f<=B1&f>=-B1)=1 y1=hf1.*fftshift(y) figure subplot(211) plot(f,abs(fftshift(y))/N,f,hf1, r-- ) axis([-fs/2,fs/2,0,1.2]) title( 原信号频谱 ) xlabel( f /Hz ) subplot(212) plot(f,abs(y1)/N) title( 低通滤波，截止频率90Hz ) xlabel( f /Hz ))

LMS adaptive fulter in matlab. for remove echo in telecomunication

异步电动机反接制动，与陈伯时电机拖动课程内容相似(Asynchronous motor reverse braking Emulator)

用matlab中详细搭建的VSC的模型，可以使用，并且很好使用(Matlab detailed VSC model, can be used, and very good use)

支撑矢量机用matlab编写的程序源代码(SVM)

QMF滤波器在语音编码中的应用,通过matlab 实验程序设计和实现二通道镜像滤波器(QMF、CQF、OQF)在语音编码中的应用，针对不同的滤波器阶数，采用批量算法，实现和比较波形编码的效率和精度(qmf filter use in wave)