fenleiqi

使用matlab中的通信工具箱中simulink搭建直接序列扩频系统并进行仿真，(The direct sequence spread spectrum system is built and simulated by using Simulink in the communication toolbox of MATLAB.)

用于调制识别的代码，通过提取特征参数，实现bpsk，qpsk等调制方式的识别(For modulation recognition code, through the extraction of characteristic parameters, implementation bpsk, qpsk forms of identification, such as modulation)

wimax ofdm concept...hence ofdm can be implemented with mimo

Farrow 滤波器设计经典文章，作者是：FM.Gardner，farrow滤波器设计的始祖，经典值得推荐！（两篇文章）(Farrow filter design classic article, the author is: FM.Gardner, farrow filter design ancestor, classic worth recommending! (Two articles))

A source code of international Chin chess, have the referenc

说明：  基于宏小区及微小区MIMO信道模型，比较了MIMO信道在两种传输环境中的空间相关特性，通过数值分 析方法得到了两类信道空间相关性随发送端、接收端天线阵列的分布而变化的特征曲线，并分析比较了信道参数， 即到达角的角度扩展，对空间相关性的影响。(The space correlation is analyzed in different propagation conditions including the MIMO macro-cell and micro-cell applications. The characteristics curves describing the space correlation versus the distance of antennas are obtained according to the numerical analysis. The effect of the spread of the angle of arrival on the space correlation is also investigated. )

BPSK调制在高斯信道下的性能，误比特率和信噪比的曲线(BPSK modulation performance under gaussian channel, signal to noise ratio and bit error rate curve )

说明：  基于经典music算法及其修正算法的DOA估计以及性能仿真(DOA estimation and performance simulation based on classical Music algorithm and its modified algorithm)

Test for DatagramChannel Source Code for Andriod.

gmsk调制与解调仿真，相干解调，请多多指教。(gmsk modulation and demodulation simulation, coherent demodulation, a lot of advice.)