The surveying of the orbit line and the positioning of the orbital vehicle often utilize GPS positioning technique.
轨道线路测量和有轨车辆的定位常采用GPS定位技术。
What is a space vehicle launching entity required to do according to the current Government Orbital Debris Mitigation Standard Practices?
根据现行的政府轨道碎片缓减标准做法，航天器发射实体需要做什么？
In such a scheme, a payload vehicle (holding, say, a satellite) would piggyback to high altitude aboard the scramjet, which in theory could reach near-orbital speeds.
在这个方案中，一个载物飞行器(比如说搭载着卫星)将(首先)搭载超燃冲压发动机进入相当高度，理论上能够达到近似轨道速度。
As a two-stage vehicle, the Saturn I had full orbital capability for a variety of payloads.
作为一个两级飞行器的“土星”具有可将不同有效载荷送入轨道的能力。
This paper considers the minimum-time control of aeroassisted orbital transfer vehicle (AOTV) which arises in the study of coplanar HEO-LEO orbital transfer.
本文研究了在共面圆轨道HEO-LEO的过程中，气动辅助轨道转移飞行器（AOTV）在大气内飞行的极小时间控制问题。
This paper considers the minimum-time control of aeroassisted orbital transfer vehicle (AOTV) which arises in the study of coplanar HEO-LEO orbital transfer.
本文研究了在共面圆轨道HEO-LEO的过程中，气动辅助轨道转移飞行器（AOTV）在大气内飞行的极小时间控制问题。
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