DSP-and-problem-solution

DOA估计常用算法，包括：music算法，卡尔曼滤波算法，自适应梯度算法，空间平滑算法，改进的空间平滑算法。(DOA estimation algorithm used, including: music algorithm, Kalman filter algorithm, adaptive gradient algorithm, spatial smoothing algorithm, the improved spatial smoothing algorithm.)

说明：  this code is the implementation of GA

用于图像去噪算法实现，多种去噪算法在matlab 中的应用(Image denoising algorithm)

一个很好的MATLAB源代码——OMP，OMP算法的改进之处在于：在分解的每一步对所选择的全部原子进行正交化处理，这使得在精度要求相同的情况下，OMP算法的收敛速度更快。(A good MATLAB source code-- OMP, OMP algorithm improvement lies in: every step of the decomposition of orthogonalization processing all of the selected atoms, which makes the accuracy requirement of the same circumstances, the OMP algorithm s convergence speed is faster. )

本程序用于实现RLS算法，内附例题 (RLS algorithm)

说明：  用Matlab图形用户界面实现的计算器功能，简单实用(Matlab graphical user interface with the calculator function, simple and practical)

基于宽带情况下数字下变频的全过程仿真程序 (Case based broadband digital down conversion of the whole process simulation program)

基于兴趣点的对互信息度的图像匹配算法，介绍详细(Based on the mutual information of the image matching algorithm point of interest, Detailed)

四节点等参元的matlab程序，可用于平面单元的有限元计算(four_node_quadrilateral_isoparametric_element matlabcode)

变步长四阶龙格库塔法，可自己控制误差精度，可用于变参微分方程组，亲测可用(variable-step runge-kutta)