inpaint

说明：  LDPC 预编码，用于构造Raptor码(LDPC Precodes, Used to construct Raptor codes )

The demand of high data rate services has been increasing very rapidly and there is no slowdown in sight. We know that the data transmission includes both wired and wireless medium. Often, these services require very reliable data transmission over very harsh environment. Most of these transmission systems experience much degradation such as large attenuation, noise, multipath, interference, time variance, nonlinearities and must meet the finite constraints like power limitation and cost factor. One physical layer technique that has gained a lot of popularities due to its robustness in dealing with these impairments is multi-carrier modulation technique. In multi-carrier modulation, the most commonly used technique is Orthogonal Frequency Division Multiplexing (OFDM)

基于MATLAB写的调试通过的QRS检测算法，具有信噪比估计、阀值预测的斜率检测算法。(Written based on MATLAB debugging through the QRS detection algorithm, with SNR estimation, prediction of the slope threshold detection algorithm.)

这是基于耶鲁库的人脸分割程序，是matlbe环境下的哦！(This is based on the Yale Face database segmentation procedure is matlbe environment Oh!)

此代码仿真了一个语音输入输出系统，语音信号经过AD转换后，经过DSSS调制解调后，通过DA转换还原输入的声音，每一步的的波形都可以观测，对实际DSSS系统设计有很大的参考价值(This code simulation of a voice input and output systems, speech signal after AD conversion after DSSS modem through DA conversion to restore the input voice, each step of the waveform can be observed, the actual design of DSSS systems have great reference value)

matlab 程序 进行优化分析 使用的方法是惩罚函数法进行优化。(it is called penlty methods，it can optimize the function ,obtaining the minium value)

通过图像像素点之间的相关性来判断该像素点为噪声点还是信号点，进而对其进行滤波。(first, we judge the image pixel that it is noise pixel or signal pixel by compute the correlations between them.then we remove the noise of the image.)

固定点法，定点技术迭代及求解算法，MATLAB实现，大家可以参考一下(Fixed point method, fixed technology and iterative algorithm, MATLAB implementation, we can refer to)

一个不错的Gabor小波基的生成程序，可以生成不同尺度，不同方向的小波基(A good generation of Gabor wavelet procedure)

使用matlab中快速傅里叶变换fft实现滤波(The use of the MATLAB FFT FFT filter)