smithchart

测量角度：读取图像并选择含有角度的区域，求取角的直线边界，计算直线间的角度。(Measuring angles: read image and choose contain Angle of regional and calculating the Angle between the line, line border calculation.)

AC motor, dq transformation,

只要检测到反电势过零点就可以得到转子的位置信号，就可以实现无刷直流电机的无位置传感器控制。(As long as the position of the rotor is detected by detecting the zero-crossing of the back-EM potential, the position sensorless control of the brushless DC motor can be realized.)

清华大学出版社出版的科学与工程计算技术丛书/MATLAB科学计算课件的课件以及源代码(The Courseware and Source Code of Scientific and Engineering Computing Technology Series/MATLAB Scientific Computing Courseware Published by Tsinghua University Press)

MATLAB应用程序接口用户指南,相关开发从业人员必备指南，很有用(matlab application user s guidance book,it s very helpful)

this program apply the kohonen method to classify some data.

face recognition in matlab using pca lda both............................

emd和eemd可用于信号去噪，提取瞬时频率。(emd and can be used to signal de-noising eemd extracting instantaneous frequency.)

冈萨雷斯数字信号处理书中部分matlab源码，和示例(image encoding)

Mathlab实验报告 包含实例图片，报告(Mathlab test report contains examples pictures, report)