STFT

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：  代码仿真了连续波频率分布阵雷达的方位-距离图(Azimuth range diagram of CW frequency distribution array radar)

说明：  MVDR算法仿真，算法原理，仿真图，毕设(array singnal processing MVDR)

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：  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)

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：  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：  各种离散编码的雷达波形，包括巴克码、四相编码、八相编码、伪随机编码……(Radar waveforms of various discrete codes, including Barker code, four phase code, eight phase code, pseudo-random code)

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：  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)