NGB

读入一幅256*256图像，将它分成8*8pixel的若干块，对每块做DCT变换，保留Z型顺序的若干变换系数，进行IDCT重构图像，计算重构图像的信噪比(Reading a 256* 256 image, it will be divided into several blocks of 8*8 pixel, keep each optimal Z transformation of sequence number, IDCT transform coefficient calculation reconstruction image reconstruction images,and the signal-to-noise ratio)

说明：  个人搜集的matlab中各种函数功能的详介绍，按照字母分类，适合初学matlab的(Personal collection of matlab functions in a variety of functions, introduced in detail, in accordance with the letter classification, suitable for beginners of matlab)

Good matlab codes about heat exchange, I recommand this for all engineering students

optisystem13相干通信的例子，非常实用，已经验证过！(Optisystem13 coherent communication examples, very practical, has been verified!)

本DTW的语音识别算法是日本学者sakoe提出的，这种方法比itkura的要好，但本算法没使用到加权，方法简单了，以后再图改进(The DTW recognition algorithm is proposed by Japanese scholars sakoe, this method is better than itkura, but did not use this method to the weighted method is simple, and later plans to improve)

基于matlab实现的 文字识别设计(2) 附带图片(Matlab implementation of character recognition based on design (2) Poster)

灰色verhust模型的matlab程序在给定一组序列的情况下求得其预测值，残差，相对误差(Gray verhust model matlab program to obtain their predictive value, residuals, the relative error in the sequence of a given set of circumstances)

惯导系统初始对准的Matlab源代码，对于惯性导航系统的初始对准算法研究有帮助(INS initial alignment of the Matlab source code for inertial navigation system to help the initial alignment algorithm)

说明：  将低通模拟滤波器（LP）H(s)数字化为H（z）.(The low-pass analog filter (LP) H (s) figures into H (z).)

MATLAB的GUI调用进行图像处理 边缘检测(MATLAB GUI call for image processing edge detection)