在普通十字轴万向节二次力矩的基础上，推导出环叉式万向节二次力短的瞬时表达式。
On the base of the second couple of the common cross U-jioint. a transient value of the second couple in the ring-fork U-joint is obtained.
而采用瞬时强度比法后，初至曲线的同向轴变得更加光滑，拾取异常点的情况大为减少，从而有效的提高拾取的精度。
When using the instantaneous intensity ratio method, the event of first arrival curve becomes more smooth, and abnormal points have greatly reduced, thus the accuracy of picking is greatly enhanced.
同时对传统正负序分量瞬时计算方法和正负序同步旋转坐标轴定向方法进行了改进。
The thesis also improved the method of the instantaneous power component computation and the synchronous coordinate orientation.
同时对传统正负序分量瞬时计算方法和正负序同步旋转坐标轴定向方法进行了改进。
The thesis also improved the method of the instantaneous power component computation and the synchronous coordinate orientation.
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