chap_4

工具箱，控制理论发展的最新成果，很好的东西，分分享(Toolbox, the latest development of control theory, very good, sub-share)

说明：  2019年第16届华为杯数学建模F题第二问的代码(Code for the second question of mathematical modeling F of the 16th Huawei cup in 2019)

InSAR最优化融合滤波的matlab程序，通过测试，算法有效可行(Optimal integration of InSAR filtering matlab program, pass the test method is effective)

iir滤波器，无限冲激响应滤波器。功能强大(IIR filters, infinite impulse response filter. Powerful)

还是无线损耗的模型仿真，运行过的，不错，可以试下(Or wireless loss model simulation, run-off, yes, you can try it)

基于MATLAB的QPSK调制程序，简单易懂(QPSK demodulation based on MATLAB program, easy to understand)

matlab仿真控制仿真时间的程序段,简单方便的在matlab界面控制仿真停止时间。(matlab simulation control simulation time block, simple and convenient interface control in matlab simulation stop time.)

BP神经网络的MATLAB程序代码,可用于分类，鉴别(Back-propagation neural network)

2D-Gabor变换的Matlab实现代码(Codes of Matlab for 2D-Gabor transform)

超声波数值模拟，通过matlab模拟声场的传播(ultrasonic simulation)