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说明：  ： 分析当前国土资源信息系统的现实需要和发展趋势， 说明了建立新型国土资源信息系统的必要性； 重点研究了当 前国土资源信息系统建设的关键技术。这些关键技术对提高国土资源管理的效率以及现代化水平起到了巨大作用， 取得 了良好的经济效益和社会效益。(: Analysis of the current reality of land resources information system needs and trends, describes the establishment of a new need for land resource information system focuses on the current land resources information system key technology. These key technologies to improve the efficiency of land resource management, and played a huge role in the level of modernization achieved good economic and social benefits.)

This is a file two compute the angle between two target

matlab code for glcm feature analysis

matlab丛书——GUI精通matlab图形界面编程(pdf BOOK :tutorials for mastering the progarming the GUI gracphic user s interface in matlab)

模糊PID控制方法的simulink仿真程序 模糊PID控制方法的simulink仿真程序(Of Fuzzy PID control method simulink simulation program fuzzy PID control method simulink simulation program)

a switching for pv cell inverter based with boost conveter

说明：  利用平面波展开发计算二维光子晶体的能带结构(Show the development of the use of plane-wave calculation of two-dimensional photonic crystal band structure)

ECG detection code in MATLAB features extraction

说明：  matlab实现模糊神经网的仿真，输出误差等曲线(matlab fuzzy simulation, neural networks, such as the output of the error curve)

演示龙格库塔方法的绝对稳定区域，从1阶到4阶，且阶数可以调整。另外，区域的左右边界可以计算出来(Absolutely stable region demonstrates Runge-Kutta methods, from an order to the fourth order, and the order can be adjusted. Further, around the boundary region can be calculated)