According to the formation principle of the tritubercular cycloid in this paper, the rotor, whose bore curve is the inner envelope line of the cycloid, is made with the solid radius vector.

根据三尖摆线的形成原理,以摆线的内包络线内腔曲线,动径实体化后作转,、转按照一关系运动则形成一种型摆线泵。

The combined method of speed key point monitoring and speed chart monitoring is advanced to prevent hoist overrolling,significantly improving the safety and reliability of mine hoist operation.

采用速度逐点监视和包络线监视技术，防止矿井升机严重过卷，高了升机运行的安全性和可靠性。

In the electronic reconnaissance area, the conventional detection method of the radar pulse signal is based on nonmatched envelope detection.

摘要在电侦察领域中，传统的雷达脉冲信号检测是基于包络检波的非匹配检测。

The envelope of moving line on the hypocycloid plane may be an epicycloid or cardioid and the...

摆线逆运动中与动切线成角的直线,其包络也是圆周渐开线.