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18664MATLAB7.x入门与实战（程序代码），书籍的随书光盘程序代码，包含书中所有例题程序，非常实用。(18664MATLAB7.x entry and Actual (program code), books, CD with the book code, the book contains all the example program, very useful.)

here is a code for energy detection spectrum sensing whrtr i used thresholding to find a roc curve...

matlab裂缝图像分割，先进行二值化，后边缘检测，最后用ostu类方间法阀值分割。(crack matlab image segmentation, binarization first, after edge detection, and finally between ostu class threshold segmentation method.)

语音信号的干扰去除.对原始信号进行频谱分析，确定干扰的频率；根据干扰的特点采用不同的滤波器对信号进行处理(Remove the interference of speech signals. On the original signal spectrum analysis to determine the frequency interference according to the characteristics of interference filters with different signal processing)

一种优化蚁群算法 只要改一下参数就可以实现您的计算效果(An ant colony optimization algorithm)

Simulink通信系统建模一书中的MIMO通信系统仿真MATLAB源程序，包括word文档介绍，是非常好的通信系统仿真的学习参考资料(The book Communication Systems Simulink modeling the MIMO communication system simulation MATLAB source code, including word document describes, is a very good communication system simulation study reference)

jQuery imgarea v0.9,它是一款图像裁切专用的选区插件,它本身并没有图像裁切功能,只是生成一个类似选区的虚线框,拖动四角可以调整选区大小,可以拖动整个选区移动,高亮显示被选择的图像区域，用法有很多种，具体请下载示例包，源码爱好者整理有示例文件，一看便知。(jQuery imgarea v0.9, it is a special constituency image cropping plugin, which itself does not have image cropping functionality, but dashed box generates a similar constituency, constituency size can be adjusted by dragging the corners, you can drag to move the entire selection highlight the selected image area, there are many usage details, please download the sample package, source enthusiasts have a sample file sorting, at a glance.)

power system tool box

说明：  使用matlab中的simulink工具对电路进行仿真、分析，这里提供了一些源代码。(Matlab simulink tools used in the circuit simulation, analysis, here are some source code.)

antenna patterns using matlab codes