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本文论述并设计实现了一个脱机自由手写体数字识别系统。文中首先对待识别数字的预处理进行了介绍，包括二值化、平滑滤波、规范化、细化等图像处理方法；其次，探讨了如何提取数字字符的结构特征和笔划特征，并详细地描述了知识库的构造方法；最后采用了以知识库为基础的模板匹配识别方法,并以MATLAB作为编程工具实现了具有友好的图形用户界面的自由手写体数字识别系统。实验结果表明，本方法具有较高的识别率，并具有较好的抗噪性能。(In this paper, and design implementation of a freely Offline handwritten numeral recognition system. First, identify the figure of the pre-processing treatment were introduced, including binarization, smoothing filtering, standardization, refinement, such as image processing method Secondly, to explore how to extract the structural features of characters and stroke characteristics, and described in detail Knowledge of the construction method Finally the use of a Knowledge-based template matching to identify methods and MATLAB as a programming tool to achieve with a friendly graphical user interface of freely handwritten numeral recognition system. The experimental results show that this method has higher recognition rate, and has better anti-noise performance.)

functions not separated by semicolons are errors in version 120 and higher.

说明：  该设计实现了在发送端使用卷积编码，接收端采用维特比译码(Convolutional coding, Viterbi decoding)

用matlab产生自相关系数固定的序列,然后再观察其功率谱密度.(using Matlab correlation coefficient derived from the fixed sequence, and then observed its power spectral density.)

基于元胞自动机的沙漏程序，有详细的注释，适合于学习(Based on Cellular Automata hourglass procedures, detailed notes, suitable for learning)

wirelss sensor network survey routing protocol leach matlab

说明：  Matlab常用语言！Matlab常用语言！Matlab常用语言！Matlab常用语言！(Matlab common language! Matlab common language! Matlab common language! Matlab common language!)

随便编写的，我刚学matlab图像处理，这是我的学习程序(Just write, I just learning matlab image processing, this is my learning process)

说明：  一段波束形成的小程序，用matlab实现(Beamforming for some small procedures, using matlab to achieve)

说明：  灰色理论GM(1,1）的理论及实践应用，供大家参考(Gray theory GM (1,1) theory and practical application, for your reference)