NthrIn2

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.)

NPC inverter with pwm

设计并制作一个用于篮球比赛计时计分器，能显示各种比赛时间，并显示比赛比分，能实现每次加1分、加2分、减1分操作。(Design and production of a timing for the basketball game scoring device capable of displaying a variety of game time, and displays game scores, able to add 1 point each time, add two points, by a sub-operation.)

说明：  提供了各种调制手段之下的通信BER仿真结果，并且运用MALAB的simulink加以实现(programs for the communication BER modulation)

matlab实现一个鱼箱的功能，可以添加鲨鱼和小鱼，小鱼随机移动，鲨鱼通过直线追上小鱼，追上以后吃掉（即小鱼消失）。(matlab the function of a fish tank, you can add the sharks and fish, the fish moves randomly, sharks through a straight line to catch up with the fish, catch up later, eat (ie, fish disappear).)

matlab中文帮助文档,matlab强大的数据处理和图像处理能力(matlab help in Chinese)

Simple matlab code for erosion and dilation of an image for contrast enhancement....

美国建模大赛 gerrymand问题的源代码有注解 代码比较简单 使用模拟退火法求解(code with annotation of model of gerrymanding(MCM),the result is obtained by using annealing algorthm)

simulink 实现了直接序列扩频通信系统，含详细模型图(simulink realization of the direct sequence spread spectrum communications systems, including a detailed model)

自编求自相关的函数，可以实现不同序列的自相关(zibianqiuzixiangguandehanshu，keyishixianbutongxuliedezixiangguan)