Modem-design-based-on-MATLAB

针对基于可见光视频图像处理的水上弱小目标检测中存在的问题， 综述目前该领域的国内外研究进展， 从动态背景建模 前景目标检测和跟踪等方面分析各种方法 算法的优势和不足， 指出目前需要解决的问题， 并展望该领域的研究前景(In view of the problems existing in small and weak target detection on the sea surface based on visible light video image processing，the research advances at home and abroad in this field are summa- rized. The advantages and limitations existing in the methods and algorithms are analyzed from several aspects including dynamic background modeling，foreground target detection and tracking. Problems which need to be solved at present are pointed out，and promising research directions in this field are proposed.)

主要研究ＯＦＤＭ的信道编码中ＬＤＰＣ码的原理和图示(Principles and icons of the main OFDM channel coding, LDPC codes)

matlab code of A hybrid approach combining extreme learning machine and sparse representation for image classification. Engineering Applications of Artificial Intelligence 27 (2014): 228-235.(Luo, Minxia, and Kai Zhang. A hybrid approach combining extreme learning machine and sparse representation for image classification. Engineering Applications of Artificial Intelligence 27 (2014): 228-235.)

multi-level voltage svpwm space vector control algorithm for motor controlmulti-level voltage svpwm space vector control algorithm for motor controlmulti-level voltage svpwm space vector control algorithm for motor controlmulti-level voltage svpwm space vector control algorithm for motor control

说明：  小波消噪，采用“db4”母小波函数进行三层分解(Wavelet de-noising, using &quot db4&quot mother wavelet function triple decomposition)

混沌优化算法计算测试函数的matlab程序，自己写的，可以直接用。(Chaos optimization)

说明：  sift特征匹配代码，并带有相关说明文档(SIFT feature matching code with relevant documentation)

说明：  matlab经典教材，详细讲述了matlab6.0的功能与使用方法(matlab classic materials, matlab6.0 described in detail the function and use)

it is very important to learn

fdtd_2d basic algorithum version 1 isotopic linear non-dispersive material an soft gaussian source Dirichlet boundary conditions grid size and time size is designated directly Ez mode electic field nomalized