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2*2 mimo-ofdm channel simulation matlab code

非平衡格林函数法法计算电子透过率，具有完整的汉密尔顿量，表面格林函数，退化各领函数，E-K关系(Non-equilibrium Green' s function method to calculate electronic transmission, complete with Hamilton volume, surface Green' s function, degeneration, the leading function, EK relations)

Image processing .. this is most important application in image processing and communication engineering and have a lot of steps towards MATLAB controlling functions

本书既包含了数字信号处理的经典内容，也包含了部分前言内容。理论与应用相结合，特别注重应用matlab来解决理论与算法的实现问题，对于数字信号处理的学习者很实用。  (The book contains both the digital signal processing classic content, but also contains some foreword content. The combination of theory and application, with particular emphasis on applications to solve matlab realization theory and algorithms for digital signal processing learners very practical.)

一个简单算法能够生成数独矩阵，很容易理解的matlab小程序。(A simple algorithm to generate Sudoku matrix, it is easy to understand the matlab applet.)

说明：  继续上次传的简单遗传算法，本次加入啦变异部分。(Continue to the last mass of the simple genetic algorithm, mutation of this part of you to join.)

这是用SIMULINK的S-FUNCTION方式编写的系统仿真代码，系统是基于4G网络的核心技术空时分组编码的MIMO-OFDM通信系统的，涉及到空间分集、时间分集和频率分集的有机结合，包括QPSK调制解调、IFFT调制、控制编解码、基于训练符号的信道估计等通信模块。包括main_STBC_MIMO_OFDM和training_symbol两个M文件和一个DOC文件，对各部分的都有详细的代码和注释。(It is used SIMULINK the S-FUNCTION approach to the preparation of the system simulation code, the system is based on the 4G network s core technology space-time block coded MIMO-OFDM communication system, involving spatial diversity, time diversity and frequency diversity of the organic combination, including QPSK modulation and demodulation, IFFT modulation, control of encoding and decoding, symbol-based channel estimation training and other communication module. Including main_STBC_MIMO_OFDM and training_symbol two M file and a DOC file, have detailed the various parts of the code and comments. )

说明：  用来产生M序列的MATLAB程序，其周期为31位，结合pn.m可生成GOLD序列。(used to produce M sequence MATLAB, cycle 31. combining pn.m GOLD sequences can be generated.)

主程序为Percus Yevick分布函数和球形粒子媒质的结构因子的计算( Main program for the calculation of Percus Yevick pair distribution function and structure factor for a medium with spherical particles )

通过傅里叶变换的方法，对两个单频信号的相位差进行计算，信号相关性计算(Fourier transform method, the phase difference between two single-frequency signal is calculated)