数字调制信号：4FSK，2PSK

信号进入信道，经过高斯噪声的干扰，经过QPSK调制以后的时延 (The signal enters the channel, after the interference of the Gaussian noise after a delay after the QPSK modulation)

说明：  Taming the Complexity of mm-Wave Massive MIMO Systems: Efficient Channel Estimation and Beamforming

基于MATLAB用窗函数设计FIR滤波器，并验证滤波效果(Design FIR filter based on MATLAB with window function and verify filter effect)

iEEE 601 标准 信道编码相关 卫星通信(the standard channel iEEE 601 encoding related satellite communications)

信息经格雷码映射，进行QPSK调制并通过AWGN信道发射，在接收端进行QPSK解调，并统计误符号率和误码率。(Information on the Gray code mapping, QPSK modulation and emission through the AWGN channel, QPSK demodulator at the receiving end, and the statistical symbol error rate and bit error rate.)

its a matlab code for the orthoganal

ANALYSIS OF RECOVERY FROM COMMUTATION FAILURES IN AN HVDC INVERTER CONNECTED TO A WEAK RECEIVING AC SYSTEM

在多周期CPU的基础上设计一个前导0检测程序。(A preamble 0 detection program is designed on the basis of multi period CPU.)

说明：  亲测好用的基本的自适应波束形成，LMS和RLS，可以在此基础上改进(Adaptive beamforming, LMS and RLS)

用matlab模拟实现了dsb调制与解调，效果不错。代码不长。(Using MATLAB simulation to achieve DSB modulation and demodulation, the effect is good. The code is not long.)