1) equivalent earth
等效地球
1.
The refraction effect complex operation can be greatly simplified by using equivalent earth s radius;therefore it is widely available in the actual project.
等效地球半径的使用可大大简化电波在大气中传播时折射效应的复杂运算,因此在实际工程中获得广泛应用。
2) equivalent earth's radius
等效地球半径
3) equivalent earth radius
地球等效半径
1.
The main work of this paper is calculating the detection range of naval radar with the equivalent earth radius which is derived from vertical atmospheric refractivity profile that is figured out from GPS occultation data.
主要研究利用GPS掩星观测得到的大气垂直折射率分布梯度来计算考虑大气折射情况下的地球等效半径,从而根据雷达探测距离公式对雷达探测范围进行预计。
4) 4/3 earth-radius refraction model
等效地球半径模型
5) EHS model
等效硬球
6) spherical equivalent refraction
等效球镜
补充资料:比等效百万吨数