knn_demo

Numerical mtd is used for calculating the diflection of the structure

使用加权子空间拟合（WSF）实现稀疏均匀圆阵DOA估计。优化过程用的是最陡下降法。(Using weighted subspace fitting (WSF) SPARSE DOA estimation with uniform circular arrays. Optimization process using a steepest descent method.)

说明：  求两幅图像的峰值信噪比PSNR值和归一化相关系数NC值(Find two images PSNR PSNR values ​ ​ and the normalized correlation value NC)

Matlab code for Uniform and circular array antenna

this file give most famous and important simulation programming codes of chaotic signals map generation

说明：  与连续信号的解调相比，短时突发信号持续时间短，不适用性能良好的反馈环路算法，需要使用前向幵环算法。与一般突发信号相比，短时突发信号没有训练序列、同步头等辅助信息，所有参数需要利用有限的数据估计。与合作通信相比，盲接收信号参数的初始偏差较大，估计范围小的算法不适用。每个突发包的数据有限，解调过程不允许丢失任何符号。(Compared with the demodulation of continuous signal, short burst signal has a shorter duration and is not suitable for the feedback loop algorithm with good performance. Forward loop algorithm is needed.)

filter which track the data and noise accurately strong tracking

中心逼近式动态灰色模型源代码，可以预测滑坡等模型(Center approach dynamic gray model source code, can predict landslide model)

根据Zeller公式计算任意日期是星期几。说明一下，压缩包中有两个是复件，是用来压仓的，以确保满足上传条件（上传文件大于1K）。(weekday for any day)

用于matlab sbm计算的代码，直接替换数据即可(for sbm(dea) in matlab)