STFT

说明：  对二阶AR模型，仿真产生数据，估计自相关矩阵R ，并和真实值对比，比较不同步长和遗忘因子对仿真结果的影响(For the second-order AR model, the simulation generates data, estimates the autocorrelation matrix R, and compares it with the real value, comparing the effect of the unsynchronized length and forgetting factor on the simulation results)

说明：  仿真流程：雷达目标回波、高放、混频、中放、相干检波、模数转换、脉冲压缩、MTI、积累、CFAR等模块的MATLAB仿真。还产生了十种随机分布的数！(Simulation process: RADAR target echo, high amplifier, mixing frequency, medium amplifier, coherent detection, analog to digital conversion, pulse compression, MTI, accumulation, CFAR and other modules of MATLAB simulation.And ten randomly distributed Numbers!)

说明：  雷达有源干扰，噪声调幅干扰MATLAB仿真(Matlab simulation of radar active jamming and noise amplitude modulation jamming)

说明：  基于matlab的数字滤波器设计，具有多个测试过程(The design of digital filter based on MATLAB has many test processes)

说明：  雷达原始信号，通过设计的汉宁窗滤波器+STFT得到瞬时频率以及滤波后的呼吸心跳的波形图显示(The original radar signal is obtained by Hanning window filter + STFT to obtain the instantaneous frequency and the waveform of the filtered breath and heartbeat)

说明：  对16 单元半波间距等距线阵，目标方向为0 度，三个干扰信号分别从10 度，15 度，-30 度入射。设置不同的信噪比、干噪比，编程实现MVDR 算法(For a 16-element half-wave spacing equidistant linear array, the target direction is 0 degrees, and the three interference signals are from 10 degrees, 15 Degrees, -30 degrees incident. Set different signal-to-noise ratio and interference-to-noise ratio, and program to realize MVDR algorithm)

说明：  不同信噪比下的雷达回波信号数据集生成代码，包括信道调制、天线方向图模型、噪声调制、发射信号生成等代码(Radar echo dataset, include channel modulation, antenna pattern, noise modulation and Signal generation codes.)

说明：  阵列信号处理领域中相干信号的DOA估计，分辨能力强于传统的Toeplitz算法(DOA estimation of coherent signals)

说明：  数字信号处理：多窗函数FIR音频滤波GUI设计，包含fig和m文件，运行m文件即可打开GUI(Digital signal processing: GUI design of multi window function fir audio filtering, including fig and M files, which can be opened by running M files)

说明：  实现LFM波雷达同时测距测速仿真，并能进行距离分辨率的仿真(Realize LFM wave radar ranging and velocity measurement)