chap3

实现arnold置乱，其中利用到置乱周期，是图像置乱的不错程序。(Achieve arnold scrambling, which take advantage of scrambling cycle, the image scrambling for a good program.)

实现各种信号的matlab程序，同时可以输出各个信号的波形，方便调试。(to produce every signal wavers,and you can see the wavers )

说明：  本程序实现了8DPSK的调制与传输，计算了误码率等性能参数(This procedure implements the modulation and transmission 8DPSK calculated performance parameters such as bit error rate)

无线传感器网络协议的生命周期和稳定周期对比(Wireless sensor network protocol and stability of periodic comparative life cycle)

可以直接使用的代码，是关于图像过滤的代码，同时可以进行soble过滤和平均过滤(The code can be used directly, image filtering code can be soble filter and average filter)

一种点云数据噪声点的随机滤波处理方法_董明晓 程序实现(A Random Filter Algorithm for Reducing Noise Error of Point Cloud Data )

GUI光学薄膜多层膜系反射率分析，绘制反射率与波长、角度的函数曲线，计算带宽(Optical thin film multilayer reflectivity analysis, draw the function curve of reflectivity and wavelength, angle, calculate bandwidth)

介绍遗传算法基本原理和人工神经网络,并行遗传,遗传程序等,并用这些方法为商旅问题等求解(GA toolbox)

双极性归零码的功率谱密度(Bipolar power spectral density of NRZ)

说明：  实现canny算子边缘检测，是频域增强处理后的在处理。(Achieve canny edge detection operator ，which is enhanced after treatment frequency in treatment.)