A part of results on magnetic vector potential of circular loop are expanded, so the integral function is transformed to integrable series.
采用将圆电流磁矢势表达式中一部分展成级数，使被积函数变成可积分的函数。
2
PWM wave is generated by splitting Zero vector quasi circular locus method.
该系统用零矢量分割的准圆轨迹法生成pwm波形。
3
The circular Jones vector′s transformation in coordinate conversion was presented by using Cartesian Jones vector′s transformation in coordinate conversion.