test05_main2_02

天线方向图的波达方向，用于描述回波的方向图4，可以用于初学者学习使用(DOA antenna pattern, used to describe the echo pattern 4 can be used for beginners to learn to use)

这是一个混沌理论中重要的Lorenz映射的程序。通过曲线很容易看到奇妙的混沌现象(Chaos Theory important Lorenz mapping procedures. Curve it is easy to see the amazing phenomenon of Chaos)

this code of Particle Swarm Optimization algorithm

生成数字信号处理课程常用信号：冲激、阶跃、斜坡、正弦、复指数和指数信号，幅度长度时延频率相位可控。(Signal generation, capable of generating pulse, step, ramp, sine, complex sine and exponent signals.)

说明：  根据设计指标提取广义切比雪夫滤波器阶数和传输零点位置，参照《新型微波滤波器的理论与设计》_褚庆昕一书，并提供了滤波器耦合矩阵的计算程序，参照Richard Cameron的方法。(The order of the generalized Chebyshev filter and the position of the transmission zero point are extracted according to the design indicators. Refer to the book "Theory and Design of New Microwave Filters" _ Chu Qingxin, and provide a calculation program for the filter coupling matrix.)

Piezo Sensons Application Note

说明：  S 函数 编写的 PID程序 在MATLAB上 调试成功 请大家参考(S function to write the PID program debugging success in MATLAB reference)

对carmaker软件进行了介绍，对汽车仿真有很大的帮助，促进汽车的生产。(Software for the carmaker introduced, car simulation of great help to promote the production of cars.)

基于最小二乘算法（RLS)的回波消除，直接可以运行(Based on least squares algorithm (RLS) of echo cancellation can be run directly)

simulink model of a coffee maker