Problem1

说明：  载波相位调制解调4相PSK的比特误码率与理论差错概率原程序系统的性能分析与模拟 (Carrier phase 4 phase PSK modulation and demodulation bit error rate of the original program with the theoretical error probability analysis and simulation of system performance)

能够画出各种实验结果的比较柱状图，用matlab工具(draw picture by matlab)

In this optic fiber link budget analysis and pcm and other program are written in matlab code

gram schmidt algorithm to compensate i and q channel imbalance in noisy channel

MATLAB源程序，可以利用该程序直接进行线性滤波法模拟风速谱及功率谱(MATLAB source, you can use the program directly to the linear filtering method to simulate the wind speed spectrum and power spectrum)

美国辛辛那提大学的振动教材，用Matlab编制的例程。通过试验有助于理解教材。(University of Cincinnati vibration materials, use Matlab routines prepared. Contribute to an understanding of teaching through the test.)

signal generator for making fault in systems

线性调频脉冲压缩的Matlab程序,有信道编码，调制，信道估计等，分析了该信号的时域、频域、倒谱，循环谱等。( LFM pulse compression of the Matlab program, Channel coding, modulation, channel estimation, Analysis of the signal time domain, frequency domain, cepstrum, cyclic spectrum, etc.)

License from matlab 2017a

解耦，恢复原信号，能量谱分析计算,一个很有用的程序。( Decoupling, restore the original signal, Energy spectrum analysis and calculation, A very useful program.)