2001A

演示椭圆的曲率圆的动画。该程序演示了椭圆各点的曲率变化及相应的曲率圆圆心的轨迹。(Demonstration of the curvature ellipse circle animation. The program demonstrates the various points of the curvature of the ellipse and the corresponding changes in the curvature of the round locus of the center.)

20字神马的最讨厌了，有没有啊又没有啊有没有啊(20 horses hate the word of God, and there is no there is no ah ah ah there)

MATLAB实用程序的100个具体例子,覆盖面很广,绝对超值(MATLAB practical procedures hundred specific cases, the coverage is very broad, absolute Value)

《matlab图像处理超级学习手册》涉及面广，涵盖了一般用户需要使用的各种功能，详细介绍了matlab在图像处理方面的使用。全书共分为14章，主要包括matlab基础知识、matlab基本运算及程序设计、图形绘制、图像处理基储图像的运算、图像的变换、图像的增强、图像压缩编码技术、图像的复原、图像分割技术、数学形态学的应用、matlab图像处理在实际中的应用、matlab图形用户界面及gui在图像处理中的应用等。(" Matlab image processing super-Learning Handbook" covers a wide variety of functions covering general users need to use, detailing the use matlab image processing. The book is divided into 14 chapters, including the basics of matlab, matlab basic operations and program design, graphics rendering, image processing, image-based reservoir operation, image conversion, image enhancement, image compression encoding technology, image restoration, image segmentation technology, the application of mathematical morphology, matlab image processing in practical application, matlab gui graphical user interface and applications in image processing and the like.)

重要是实现通过瑞利信道的QPSK的仿真，同时给出了其误码率的仿真(Important thing is to achieve through the Rayleigh channel QPSK simulation, while its error rate is given simulation)

this folder contains matlab codes for minimize sphere with pso algorithm.

2011 Dongcheng Teachers comptition

用于眼球阴影区域提取的matlab程序，附带测试用图像(Eye shadow zone for extraction matlab program, with test images)

1、试设计串连校正装置，在同一窗口下分别绘制出校正前后的频域响应曲线，阶跃响应曲线，判断系统校正前后的稳定性； 2、设计串连校正装置，在同一窗口下绘制出校正前后的波特图进行验证，并在同一窗口下绘制校正前后系统的奈奎斯特图； 3、设计串联滞后超前校正装置，绘制出校正前后系统的伯德图； 4、设计串联校正装置使校正后的闭环系统的主导极点； 5、设计串联校正装置，维持原系统的闭环主导极点基本不变； 6、设计状态反馈阵。(And try to design concatenation correction device, were drawn in the same window, the frequency response curve before and after correction, the stability of the step response curve, determine the system before and after correction design concatenation correction device, drawn in the same window Bode plots before and after a correction to verify, before and after correction system Nyquist diagram drawn in the same window 3 design series lag the leading correction device, drawn before and after correction system Bode plot design series correction The closed-loop system in the device so that the corrected the dominant pole design series correction device to maintain the original system closed-loop dominant pole is essentially the same 6, the design state feedback matrix.)

使用matlab来比较4种不同的编码的性能。环境是BEC（删除信道）。 信号串的长度为2000(Use matlab to compare the performance of four different codes. Environment is the BEC (binary erasure channel). Length of the signal sequence is 2000)