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this codes is only for education purpose

matlab仿真微分方程，分别用欧拉法，改进欧拉法，龙格库塔法，四阶adams显式隐式算法对比精度。(matlab simulation of differential equations, respectively, with Euler, improved Euler method, Runge-Kutta method, fourth-order implicit algorithm adams explicit comparison accuracy.)

本matlab程序实现地球和天球坐标间的转换，对于天文和航天领域的初学者有一定帮助(Terrestrial and Celestial Coordinate transform)

粒子滤波的文章，滤波方面的论文，看看可以拓展相关知识(article about particle filter,its useful for user whose research is concert of filter)

经典波达角度估计算法的matlab代码，如MUSIC算法(the matlab code of the classic algorithm to estimate the DOA signal)

对小波信号进行去噪处理，主要采用分层重构，软硬阀值的方法进行仿真。(To deal with the noise of the wavelet signal, mainly adopts hierarchical reconstruction, hard and soft threshold method are simulated. )

该程序可以实现基于TOA估计的异步UWB定位。其中包括卡尔曼滤波、LSE估计、采用高斯函数作为冲激脉冲等(The program can achieve asynchronous UWB TOA estimation based positioning. Including Kalman filtering, LSE estimation using Gaussian function as impulse, etc.)

说明：  通信系统的模拟仿真程序，可以根据需要建立自己的仿真模型(communications system simulation process can be required to establish their own simulation model)

本文为基于D-S证据理论的配电网故障选线，使用matlab仿真，结果可信(D-S theory based fault line detection,the simulation is proved right)

music算法是用于估计信号到达天线阵列的到达角度信息(music estimate doa of arrival)