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设一个小孩在平面上沿着某曲线行走，此曲线由时间参数曲线确定。假设小孩借助于一个长度为 的硬木棒拖着或推着一个玩具，试求玩具的平面轨迹。(set up a child in a plane curve walk along this curve by the time parameter curve. Using a hypothetical child for the length of the hard wooden dragging or pushing a toy, toys trial for the plane trajectory.)

关于蚁群算法(ant colony optimization)的文章和matlab源程序，原代码会让系统报错！但是并不会影响结果！，(the paper and the matlab source code for ant colony optimization)

基于PN序列的数字直放站中回波抵消matlab实现代码，信号源采用OFDM调制信号，并有详细的注释说明，可以供大家参考借鉴(Digital repeater stations based on PN sequence in echo offset matlab code, signal source using OFDM modulation signal, and a detailed annotation, can for your reference)

说明：  医学图像分割的matlab程序，针对脑部肿瘤图像，使用水平集方法划分出肿瘤区域，内部包含测试程序(Medical image segmentation matlab program for brain tumor imaging, using the level set method into the tumor region, the internal test procedures include)

卡尔曼滤波器对沿直线运动的机器人的运动轨迹进行估计。画出轨迹估计曲线和实际运动曲线(Kalman filter to estimate the trajectory of the robot along the linear motion. Draw the trajectory estimated curve and the actual motion curve)

for direction of arival

matlab 时间序列模型 涵盖面很广泛 基本的时间序列模型都有说明(matlab time series models cover a wide range of basic time series models have been described)

gui创建，主要是创建的第一个GUI，本来是学习gui的好东西；所以上传分享给大家(gui creation, mainly the first GUI creation, had good things to learn gui upload and share it for everyone)

小电流接地选线基于测度分析方法的相关程序，已仿真(Small current grounding line analysis method based on measurement of the relevant procedures, has simulation)

考虑阴影效应，多普勒频移等的影响，用于描述瑞利衰落信号的信号特征(Take into account the shadow effect, Doppler shift, etc., used to describe the signal characteristics of the Rayleigh fading signal)