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code for vision stuff homework related

学习JTIDS系统（联合战术信息分配系统）的设计的好材料，包括RS编码，ccsk扩频，MSK调制等。(Learning JTIDS System (Joint Tactical Information Distribution System) design good material, including RS coding, ccsk spread, MSK modulation.)

车牌图像的初步预处理，实现彩色图像灰度化，输出背景图像，输出黑白图像(Initial license plate image preprocessing, color image graying, output background image, bitonal image)

完整的现代通信系统仿真源代码包括信道容量和编码扩频通信等(Complete source code of modern communication system simulation)

运用matlab编程实现蚁群算法的低压电力线设计(Ant colony algorithm using matlab programming design of low voltage power line)

matlab的一个PID优化算法程序(Matlab a PID algorithm optimization procedures)

上海交通大学最优化练习题2，复习考试必备习题(Shanghai Jiaotong University, 2 optimization exercises, review exercises necessary tests)

Code for nonlinear equations solution

双极性pwm控制技术逆变器，采用pwm技术对逆变器进行控制实现逆变功能(pwm nibianqi)

用matlab编写的人脸检测的算法，包含图片库，可以直接运行，检测出人脸在图片中的位置。(Matlab prepared with face detection algorithms, including image libraries, can be run to detect the face position in the picture.)