OFDMPMATLAB

完整的ldpc编码程序，实现数字载体的ldpc编码译码以及信道传输仿真,利用生成矩阵和校验矩阵实现，含有自动生成随机错误以检测纠错能力功能(Ldpc complete coding procedures, digital carrier ldpc codec and channel transmission simulation using the generator matrix and parity check matrix realization, containing automatic generation of random error correction ability to detect functional)

record, save, append & play files of audio

说明：  基于matlab的单相整流器仿真程序，能实现整流器的数学建模(Matlab-based single-phase inverter source emulator Mathematical modeling of the rectifier)

根据手机号码判断城市，需要手机号码7字段对应城市的信息。(According to cell phone number to determine the city, needed a mobile phone number 7 corresponds to the city' s information field.)

this file contains some basic information regarding the mimo systems

This tile is the 16-QAM modulator for OFDM system s signal.

粒子滤波器,比较几种不同的重采样方法.SIR重采样,辅助重采样,regular重采样.(particle filter, compare several different resampling methods. SIR resampling, support resampling, regular resampling.)

Huffman code的matlab程序，用一幅图像作为training image得到像素的Huffman编码，然后编码另外一幅图像，求得average code length。(Huffman code of matlab program, with an image as a training image pixel Huffman coding, then coded another image obtained average code length.)

本程序完成地震信号的提取检测。以往都是利用地震信号的能量比，此处创新选择地震信号的过零点作为边缘提取的判断。新方法效果不错。(The process is complete extraction of seismic signal detection. Past, the energy ratio of seismic signal, where innovation and choice as the seismic signal zero-crossing edge detection judgments. The new approach is very effective.)

利用matlab从受损图像heart_broken.pbm中恢复出原始图像heart_orig.pbm。（内含实验报告） (The utilize the matlab from impairment image heart_broken.pbm in to restore the original image heart_orig.pbm. (Contains experimental report))