dd

simulation of pwm converter

this is a face detection code .With high efficiency and accuracy

雷达信号处理领域入门与提高的好资料，适合于考前复习与项目使用，对很多概念有深入讲解，易于理解(A good data entry field of radar signal processing and improve the exam review, suitable for use with the project, there are many in-depth explanation of concept, easy to understand)

surf算法，实现特征点检测和匹配.文件内有两个图像匹配实例(surf algorithm, feature point detection and matching)

用于混沌时间序列自适应预测的一种稀疏Volterra滤波器-(Adaptive prediction of chaotic time series for a sparse Volterra filter-)

MATLAB 计算阻抗的例子，采用M文件编写。(MATLAB examples of calculation of resistance, the use of M document preparation.)

RD_高速布線技巧 is useful.rar(RD_ high-speed routing techniques is useful.rar)

matlab 设计fir、iir滤波器 (matlab fir)

说明：  转速、磁链闭环控制的矢量控制交流调速。控制电路是由滞环脉冲发生器、电流变换与磁链观测的封装模块、比例放大器模块、函数模块、常数模块（用于额定转速和转子磁链信号的给定）、转速调节器ASR、转矩调节器ATR、磁链调节器APR、以及三二变换器模块。(Vector Control AC Speed Regulation with Closed Loop Control of Speed and Flux Link)

这是本编写的一个基于均值法的圆拟合程序，可以直接使用(This is the preparation of a law based on the average circle fitting procedures, can be directly used)