This paper proposes an accurate orbit determination technique to accurately determine orbitelementsof a spacecraft equipped with a GPS receiver according to navigation messages from the receiver.
利用GPS接收机的导航信息精确确定接收机载体航天器的轨道根数。
2
This paper presents a method by using of which the orbital elementsof two spacecrafts can be determined by an adjoint orbit. Also, this method can be used to the condition of multi-spacecraft.
文中给出一种从伴随轨道确定两个航天器轨道要素的方法，这一方法也可推广应用于多个航天器的情况。
3
In this paper, a new approach to judge molecular configuration of complex for transition elements by VSEPR theory is put forward on the basis of molecular orbit theory.