ST4

该代码能够实现改进的线性调频Z变换的功能，取代FFT变换能够起到细化频谱的作用。(The code can achieve improved chirp Z transform function, replace the FFT spectrum can play a role in refinement.)

时域有限差分、矩量法做三维平面散射，pml边界条件，并与mur对比(Finite-difference time-domain method of moments to do three-dimensional plane scattering, pml boundary conditions, and compare with mur)

建立风力发电机模型，此仿真模型采用pmsg电机应用，再根据PI控制器方法构造控制器，达到能控制发电机的转速、转角等等等(Build wind generator model, the simulation model using pmsg motor applications, according to PI controller method to construct the controller, to control the generator speed, angle, etc., before running this simulink model, it should also write the reference value code to run.)

说明：  基于灰度共生举证局部熵方法求图像的分割阈值(Proof based on gray level co local entropy method for solving the segmentation threshold)

说明：  结构振动反应。在强烈地震波德作用下，2个自由度相对位移和绝对加速度的反应，考虑了阻尼的影响。(struture response due to ground motion.during a big ground motion,one 2 degree of freedom-structure s relative displacement and absolute acceleration response.consider damping raion.)

基本定位算法的MATLAB代码，包括LTE定位参考信号及时延估计方法( The basic localization algorithm MATLAB code, including LTE location estimation method and delay the reference signal)

串级控制系统matlab仿真的一个实例，对化工过程中的一个过程进行串级控制，优化，用到PID算法(Cascade cascade control system matlab simulation of an instance of a process in the chemical process control, optimization, used in the PID algorithm)

MATLAB神经网络原理与实例分析， 有大量的关于神经网络的实例，如BP神经网络，rbf神经网络，前馈神经网络等等.(The thesis and example analysis about neural networks. There are many example in this file, for example BP neural networks, neural networks, forward feedback neural network and so on. So, it is valuable to learn the neural networks for beginner. If you have any question, you can keep contact with me by e-mail.)

一个基于matlab的计算3-6根连杆机器人运动学正解的程序，通用性强，直接复制粘贴就可以成为你自己的程序！(Based on a calculation program matlab 3-6 root link robot forward kinematics and versatility, copy and paste can be your own program!)

runge kutta order 12