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利用阈值法分割图像的matlab程序和实验报告，这是本科学习图象处理时的作业，供初学者参考(threshold method of image segmentation and experimental procedures Matlab report This is the undergraduate study of image processing operations, information for beginners)

Encrypt a picture using DES

数学建模中画散点图，伪彩色图，等高线图，三维曲面图；数据可以从excel中直接导入(Mathematical modeling of scatter diagram, pseudo color map, contour map, 3-D surface chart data the excel directly.)

说明：  2011-zhang-Dynamic Modeling of Scraper Conveyor Sprocket

The BNL toolbox is a set of Matlab functions for defining and estimating the parameters of a Bayesian network for discrete variables in which the conditional probability tables are specified by logistic regression models. Logistic regression can be used to incorporate restrictions on the conditional probabilities and to account for the effect of covariates. Nominal variables are modeled with multinomial logistic regression, whereas the category probabilities of ordered variables are modeled through a cumulative or adjacent-categories response function. Variables can be observed, partially observed, or hidden.

This .m file is un simulation of a quantization of sine signal

本人的呕心力作：角速度匹配传递对准matlab程序！绝对没有问题，先运行1，再运行2！(Nausea my works: angular velocity matching transfer alignment procedures matlab! Absolutely no problem to run 1, run 2!)

Some tips related to wireless channels

这是一个利用MATLAB6.5进行航迹跟踪的程序序，采用了最小二线性估计的方法来进行跟踪。(This is a track used for tracking MATLAB6.5 procedures sequence, using a minimum of two linear estimation methods for tracking.)

全局阈值程序，用于matlab中图像分割，能够对比强烈的图片进行较好的分割。(Global threshold program, used in matlab image segmentation, can be used to better segmentation contrast images. )