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pattern of a thin wire of lengh L

实现坐标系的逆变换，即将dq坐标转换为abc坐标(dq TO abc)

用matlab对MIt-Bih数据库的心电数据进行读取和滤波，得到心电图的程序(Using MATLAB to read and filter the ECG data of the MIt-Bih database and get the program of the electrocardiogram)

本程序对简约的粗糙集程序进行了matlab编导，从而能够计算粗糙集的权重、约简等(This procedure is simple rough set procedures matlab director thus able to calculate the weight of rough set reduction)

基于状态空间模型的预测控制程序，参考了钱积新的《预测控制》(Predictive control program based on state space model, refer to the Qian Jixin’ s predictive control )

It is a basic code for aodv protocol in MANET

说明：  异步电机的精确控制和速度辨识是交流传动系统中重要问题。在该仿真系统中，电机转速采用易于检测的电机定子电压和电流得到转速MRAS辨识算法来估算。由于速度辨识算法中电压模型的纯积分环节会引起的误差积累和漂移问题，采用改进积分型转子磁链估算模型来解决。(The precise control and the speed identification of AC motor are the very important issues on AC drive system.In this system, induction motor is controlled by the direct torque control, stator flux is estimated by u-n model observer that is effective in the full range of speed, motor speed is estimated by MRAS speed identification algorithm that is depended on the voltage and the current of motor stator easily detected. The modified integral rotor flux estimation model is used to solve the problem that the normal model can be affected by the error accumulation and drift of integral calculation in the voltage model of conventional speed identification algorithm. )

说明：  读取地震数据的道头字并画出剖面图, 没有读出所有的道头，只读取了几个角为重要的(read headers of seismic data and draw the profile)

使用MATLAB对二级微分方程采用直接求解的方法，并使用GUI编制界面(Use of two differential equations using MATLAB direct solution methods, and use the GUI interface to the preparation of)

我写的灰色系统，包括最普通的GM(1,1)，新陈代谢模型，GM(2,1)模型，verhulst模型，编程全部根据《灰色系统理论及其应用》(these are all about grey model theory,including GM(1,1),GM(2,1),verhulst)