大地主题正反算，有助于解决与大地测量基础的相关内容。-Geodetic considered the pros and cons to help resolve land-based measurement and related content.

matric caculation, and other functionsa,-matric caculation

THIS PROGRAM USED TO DG CACULATION

这是异步电机和永磁同步电机矢量控制的建模和滑模变结构控制算法的详细计算过程。-This is the detailed calculation process modeling and sliding mode asynchronous motors and permanent magnet synchronous motor vector control of the control algorithm.