space_time_coding

用matlab实现smith圆图的基本思路和指导。(Using matlab circle diagram smith realize the basic ideas and guidance.)

分别用非参数化谱估计中的直接法，间接法和加窗法对离散随机过程的已零均值化的N个数据样本估计了离散信号的谱密度。(Were non-parametric spectral estimation of the direct method, indirect method and windowing method, discrete stochastic process has zero mean the data of the N-sample estimates of the spectral density of discrete signals.)

基于比例积分的蔡氏电路控制仿真，第一平衡点处镇定(Chua s circuit based on proportional integral control simulation, the first stabilization of the equilibrium point)

无线传感器网络定位用到的无线传输模型 Regular Model, Logarithmic Attenuation Model, DOI Model, RIM Model (Wireless sensor network localization using wireless transmission model, Regular Model, Logarithmic Attenuation Model, DOI Model, RIM Model Achieve functional distance and transmission attenuation swap ~~~~~~~~~~~~~~~~~~~~~~Regular Model~~~~~~~~~~~~~~~ In this model, the radio range is a circle ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ReceivedSignalStrength=SendingPower-PathLoss e.g, RSS=Pt-Pl(d0)-10*η*log10(dist/d0) Pt:transmit power pl(d0):the pass loss for a reference distance of d0 ηis the path loss exponent above parameters are saved in ../Parameters_Of_Models.mat dist:distance between sender and receiver(m) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ typical value:Pt=0-4dBm(max),Pl(d0)=55dB(d0=1m),η(2~4)=4(indoor,outdoor) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~Logarithmic Attenuation Model~~~~~~~~~ In this model, the radio range is a circle ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ReceivedSignal)

几种music算法，用于波束形成，很好用的(Several music algorithm for beamforming, good used)

matlab教材附带的代码 可以运行.关于通信方面的仿真。(the matlab code about communitinication)

图像轮廓角点检测，Douglas Peucker算法实现角点检测。输入轮廓图像，实现轮廓角点的获取(Image contour corner detection, Douglas Peucker algorithm corner detection. Input contour image, contour corners to achieve access)

throughout with interference alignment

cao法求延迟时间和嵌入维数，有程序有图，很好用(cao method the delay time and the embedding dimension, there are procedures in FIG good use)

说明：  用小波函数sym6对散斑图像进行4-5层得阈值滤波，并提取相位和去包裹(denoising using wavelet)