Preprocess

this is a code for square detect in image using transform

说明：  一个计算海天背景的工程模型。由matlab编写(A calculation of the engineering model of the sea and the sky background. Prepared by the matlab)

卡尔曼滤波求解压缩感知重构过程算法代码，供大家参考学习(Kalman filter algorithm for solving compressed sensing reconstruction process code, for your reference learning)

Cardiac arrhythmia diagnosis method using linear discriminant analysis on ECG signals

我自己编写的一个简单的粒子滤波跟踪代码。希望能对初学者有所帮助(I write a simple particle filter tracking code can hope to help beginners)

独立成分分析算法降低原始数据噪声，部分实现了追踪测速迭代松弛算法，有信道编码，调制，信道估计等。( Independent component analysis algorithm reduces the raw data noise, Partially achieved tracking speed iterative relaxation algorithm, Channel coding, modulation, channel estimation.)

this script is used to calculate the eigenface of a group of photos. whitch can help to implement an algorithme of identification like PCA

recover reflectance image

直接序列扩频通信系统仿真程序 生成的信息码的波形图 扩频码如图 PSK调制后的波形 解调后的波形 解扩并滤波后的波形 (The waveform in Figure PSK modulated waveforms direct sequence spread spectrum communication system simulation code information generated spreading code waveforms despreading and after filtering the demodulated)

关于采样定理的验证的matlab程序，有利于理解带通采样(Verification sampling theorem on the matlab program that facilitates understanding bandpass sampling)