Barker_ambig

可以产出LDPC_802.16e码字，不同码长不同码率(creat LDPC_802.16e ldpc code)

这是一个完整的OFDM通信系统仿真代码。包括信源编码信源调制，信道编码，信道估计，峰均抑制比等。实际程序可用直接运行。(This is a complete OFDM communication system simulation code. Including the source modulation source coding, channel coding, channel estimation, peak to average ratio suppression. The actual procedure can be run directly.)

用蒙特卡洛模拟的方法计算美式期权的价格以及基本描述,包括数据分析、绘图等等,外文资料里面的源代码。( Monte Carlo simulation method of calculating the American option price and basic description, Data analysis, plotting, etc., Foreign materials inside the source code.)

说明：  VC++编程环境下的USB编程(接收和发送数据）(VC++ Programming environment under the USB programming (receiving and sending data))

CONVERT A MATRIX TO LOWER TRIANGULAR MATRIX

用于labview 串口通讯,非常有用，并且实测有用(useing for labview serial communicaton,it very useful)

LDPC codes 4girth check

在AWGN信道的16QAM仿真程序，采用蒙特卡洛方法比较了16QAM理论和实际的误码率。(16QAM in AWGN channel simulation program using the Monte Carlo method is a theoretical and practical 16QAM BER.)

衰落信道的仿真，包括瑞利，莱斯信道，还有分集接收等内容(Fading channel simulation, including the content of the Rayleigh and Rice channel, there is diversity reception)

Pin configuration for hy-640 GSM module