project1

这是整套的ldpc-ofdm仿真模拟代码，可以运行的，输出的是误码率图像(This is the whole set of ldpc-ofdm simulation code, you can run the output image is the bit error rate)

说明：  实现了8PSK的调制，画出了时域及频域信号波形，以及8PSK的星座图。(The 8PSK modulation is realized, and the time domain and frequency domain signal waveforms, as well as the 8PSK constellation diagram are drawn.)

说明：  多频移键控，水声通信代码，实现水下通信。。(Multi-frequency shift keying, underwater acoustic communication code, underwater communication)

说明：  太赫兹通信方面的代码，可以对照相关文献看(Terahertz communication)

说明：  GE Fanuc LM9030 Software

STIM300高精度IMU的输出解码程序，MOD93格式，带CRC校验，直接可以运行(MOD93 format with a CRC check can be run directly)

非规则LDPC码在AWGN信道下的性能仿真，码长1024，码率0.5，调制方式QPSK(simulation of LDPC codes in AWGN channel)

　?　　bpsk信号的产生可用与仿真的输入信号(? Bpsk signals generated can be used with simulation of the input signal)

说明：  用于计算gps系统时间，gps周、周内秒,以及约化儒略日(Used to calculate GPS system time, GPS cycle, intra-week seconds, and Julian Day)

BPSK在OFDM系统不同信道下的误码率比较(This is a Script for computing the BER for BPSK in OFDM modulation in the AWGN channel.)