qpsk_awgn

本源代码给出了伽利略卫星导航系统的码跟踪算法(source code is the Galileo satellite navigation system code tracking algorithm)

mathews数值分析书的源代码，用matlab编写，第一章第九部分。(mathews numerical analysis of the book' s source code, using matlab, the ninth part of the first chapter.)

产生一个长为1000的二进制随机序列，“0”的概率为0.8，”1”的概率为0.2； 对上述数据进行归零AMI编码，脉冲宽度为符号宽度的50 ，波形采样率为符号率的8倍，画出前20个符号对应的波形（同时给出前20位信源序列） 改用HDB3码，画出前20个符号对应的波形 改用密勒码，画出前20个符号对应的波形 分别对上述1000个符号的波形进行功率谱估计，画出功率谱 改变信源“0”的概率，观察AMI码的功率谱变化情况(A length of 1000 random binary sequence, and " 0" with a probability of 0.8, " 1" with a probability of 0.2 the AMI code above zero, the pulse width of the symbol width of 50 , the waveform sampling rate Symbol rate 8 times, draw the top 20 of the waveform corresponding to the symbol (the first 20 and gives the source sequence) switch HDB3 code, the first 20 to draw a waveform corresponding to the symbol to switch Miller code, the first 20 symbols correspond to draw The waveforms of the symbol of the waveform 1000 power spectrum estimation, shown to change the source power spectrum " 0" , the probability of observation of the power spectrum of AMI code changes)

实现在matlab环境下进行参数估计的傻瓜式操作(Implementation in matlab environment parameter estimation operation of a fool)

sar radar raw processing. whit this m file you can compress the raw data

this code accurately detects the images

ADC的fft测试，包括几个小的MATLAB程序(Fft simulation of the ADC)

通信系统中调制解调串并转换，符号映射，载波调制，相干解调等模块的matlab仿真文件，适合通信工程中的调制技术的仿真工作(Communication system and installed for the modem string, symbol mapping, modulation, coherent demodulation module matlab simulation files, suitable for simulation of communication engineering work modulation techniques)

THP算法的MATLAB程序，可以给初学者一个好的教学(THP algorithm MATLAB procedures, can give a good teaching beginners)

大斜视条带合成孔径雷达仿真程序，包括回波仿真(Large squint synthetic aperture radar simulation program, including echo simulation)