距离变化率 meaning in English

range rate

In the previous research , the studies were all about analyzing the effect of constellation parameters to isl geometric parameters . the variation of isl geometric parameters when the constellation parameters was certain was analyzed in this paper . the isl geometric parameters of inter - satellite distance variance rate , isl azimuth variance and elevation angle variance are included
在以前的研究中,星间链路性能的研究主要侧重于分析星座参数对星间链路几何参数的影响,本文重点分析在星座参数确定的前提下,星间链路几何参数随时间的变化情况,包括星间链路距离变化率、星间链路方位角变化、星间链路仰角变化等参数。