说明：  此模块，是SVPWM仿真，山区判断，时间计算，PWM的产生各个部分组成。结果理想，可用于PMSM和PMLSM的控制中。
(This module is SVPWM simulation, the sector judge, time calculations, the composition of each part of the PWM generation. Ideal results can be used for the control of PMSM and PMLSM.)