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Decompose image into subbands (undecimated wavelet), denoise, and recompose again. fh = decomp_reconst_wavelet(im,Nsc,daub_order,block,noise,parent,covariance,optim,sig) im : image Nsc: Number of scales daub_order: Order of the daubechie fucntion used (must be even). block: size of neighborhood within each undecimated subband. noise: image having the same autocorrelation as the noise (e.g., a delta, for white noise) parent: are we including the coefficient at the central location at the next coarser scale? covariance: are we considering covariance or just variance? optim: for choosing between BLS-GSM (optim = 1) and MAP-GSM (optim = 0) sig: standard deviation (scalar for uniform noise or matrix for spatially varying noise) Javier Portilla, Univ. de Granada, 3/03 Revised: 11/04

基于峭度的盲源开关算法对信号进行分离，实现了良好的分离效果(Kurtosis-based switch algorithm for blind source separation of signals to achieve a good separation effect)

说明：  四旋翼飞行器模拟仿真，可以调整预定轨迹，无人机六自由度仿真代码(Four - rotor aircraft simulation,can adjust the predetermined trajectory,Uav six degrees of freedom simulation code)

说明：  滑膜变结构控制的matlab仿真研究与分析，这个不错(Synovial matlab simulation of variable structure control research and analysis, this looks good)

分析双极性不归零码的功率谱特性请输入随机序列的长度N= (ubplot(312) plot(f,lpf) title( 低通滤波器 ) axis([-fs/2 fs/2-0.2 1.2]) subplot(313) plot(f,abs(yr_lpf)/N) title( 经低通滤波后的频谱 ) xlabel( f /Hz ) )

傅立叶变换能将满足一定条件的某个函数表示成三角函数（正弦和/或余弦函数）或者它们的积分的线性组合。(Fourier transform can meet certain conditions expressed as a function trigonometric (sine and/or cosine functions) or their integral linear combinations.)

这时一个聚类程序，使用c均值方法的聚类程序(A classing program of c mean methed )

EMD经验模态分解,用于信号处理，常和hilbert-huang变换一起用于信号特征提取、信号消噪等领域。(EMD EMD for signal processing, often with hilbert-huang transform for signal feature extraction, signal de-noising and other fields.)

说明：  电路与系统专业的matlab程序。有很多经典的实例。(Circuits and Systems matlab professional procedures. There are many classic examples.)

产生psk调制信号的源程序，并对信号进行成型滤波及上变频(generate PSK modulated signals, and the signals pass the shaping filter and DUC)