MIMO channel

仿真MIMO系统，采用STBC编码，发射天线数目为2，接收天线数目为2(The MIMO system is simulated with STBC coding, the number of transmit antennas is 2, and the number of receiving antennas is 2)

说明：  可以直接仿真各种模型下常用水声信道，包含Bellhop,Kraken等源代码(Simulating the basic underwater acoustic channel, including the code and theory of Bellhop, Kraken and so on.)

说明：  hough变换提取直线的程度，有详细注解，适合新人。(hough transform to extract linear extent, with detailed notes, for newcomers.)

处理GPS数据，形成电离层的模型，在C#环境下的控制台。(Processing GPS data, the formation of the ionosphere model, in C# console environment.)

POTDR模拟主程序（输入参数，输出偏振态和fft结果）(POTDR simulation main program (input parameters, output polarization and FFT results))

wcdma中的下行扰码，18级移位寄存器产生GOLD码，复扰码(wcdma a downlink scrambling code, 18 shift register GOLD code, complex scrambling code)

认知无线电中频谱感知的方法，基于能量检测的算法和仿真(energy detection)

基函数扩展模型相关matlab代码，包含信道估计及其均衡 。(The basis function extends the model related matlab code, including channel estimation and its equalization.)

Softmax用于多分类问题，本例是将MNIST手写数字数据库中的数据0-9十个数字进行分类，其中训练样本有6万个，测试样本有1万个数字是0~9(Softmax for multi classification problems, the present case is the handwritten data MNIST digital 0-9, classification, training samples which have 60,000, there are 10,000 test samples digit 0 to 9)

Synchronous generator simulation of power electronic components, to achieve ACDC, DCAC, using computational method PWM, PID controller, with far more satisfactory