nnt_iclassification

本文论述了图像压缩技术的发展和标准, 介绍了几种常用经典图像压缩方法和现代压缩的算法及应用情况, 有 机的结合现有的研究方法才能解决图像压缩的众多问题。(This article discusses the development of image compression technology and standards, the authors introduced some classic and modern compression image compression algorithm and application of organic methods combined with the existing image compression can be resolved many issues.)

我们卫星定位导航课中导航中双历元GNSS辅助SINS动态初始对准方法的m文件，只要有测量数据应该就可以实现，大家可以参考一下(Our lesson navigation satellite positioning and navigation double epoch dynamic GNSS assistance SINS initial alignment method m file, as long as the measurement data should be able to achieve, we can refer to)

计算PSNR。可直接调用，两个输入参数im1,im2为两个图象序列，返回值为PSNR的值。(Calculation of PSNR. Can be called directly, two input parameters im1, im2 two image sequences, the return value is the PSNR.)

matlab教程，比较入门级别的教程，从概念到语法，适合初学者。(matlab tutorials, more entry-level curricula, from concept to grammar, suitable for beginners.)

说明：  ldpc码在cdma中应用，matlab实现(cdma ldpc code in the application and realization of Matlab)

读取地质雷达sir格式dzt数据，自动生成grd格式(read sir data)

成功实现计算CHzvEe算法的程序，本人测试已经通过，性能已基本达到CHzvEe算法的性能，需要MATLAB 2009b环境运行，如有问题，欢迎讨论 (The successful implementation of the program to calculate CHzvEe algorithm, I have passed the test, need MATLAB2009b operating environment, any questions, please contact me )

BP神经网络识别手写字符验证码，包括10721张字母、数字样本(BP neural network handwritten character recognition codes, including 10,721 letters, numbers, samples)

说明：  读取sac数据子函数,再处理中直接调用该函数即可达到读取目的。(the code of read .sac files.)

说明：  精通matlab与C/C++混合程序设计，北京航空航天大学出版社，第1--3章。(Proficient in matlab with C/C++ Mixed programming, Beijing University of Aeronautics and Astronautics Press, Chapter 3, paragraph 1.)