基础的PSO算法

是一种特征选择方法，距离评价技术，可以降低特征值的维数。(Is a kind of feature selection methods, distance evaluation technology, can reduce the characteristic value of the dimension.)

稀疏表示的matlab小程序，欢迎来联合开发网下载！(Sparse representation matlab small procedures, welcome to the Joint Development Network download!)

matlab四阶龙格库塔法，，，，，，，，，，，，，，，，，，(runger kutta)

利用符号计算推导光学三阶微环滤波器传输函数，代入参数计算光谱响应，并对关键参数做扫描，绘制4通道微环滤波器响应谱。(Utilizing symbolic computation to derive the third-order optical micro-ring filter transfer function, substitutes the parameters to calculate the optical response. The key parameters are swept and the optical response of a four-channel micro-ring filter is drawn.)

核概率密度估计算法，对于以往的有优化，可以得到概率密度及分布函数。(Nuclear probability density estimation algorithm optimized for the past there, you can get the probability density and distribution functions.)

说明：  基于matlab中guid平台设计的一个卡尔曼滤波器，该滤波器可以用来供大家学习如何设计现代数字滤波器(Matlab-based platform in the guid of a Kalman filter that can be used for everybody to learn how to design a modern digital filters)

空间前方交会，对于2张影像，已知其外方位或相对方位，求地面坐标或模型坐标(Space forward intersection, and 2 images, known its exterior orientation or relative orientation, for the ground coordinates or model coordinates )

说明：  最小均方误差（LMS）自适应滤波器的matlab函数 lms.m(matlab function lms.m : LMS adaptive filter)

均匀量化和非均匀量化在性能上存在着显著的差异，这种差异可以用信号通过量化器后的量躁比来反映出来。本程序用曲线表示了理论和实际两个方面下两种量化的量躁比。从而可观察他们的性能上的差别。(There are significant differences with the function between Uniform quantization and non-uniform quantization ,which can be quantified by SNR from the quantizer.This program use the curves to denote the SNR of theory and practical signal.Then we can observe the performance of the differences.)

simth_pid控制器，使用matlab仿真实现，m文件(simth_pid)