satellite to satellite link的意思|示意

GPS satellite position calculation is the key link of GPS navigation and positioning, calculating satellite coordinates quickly and accurately is important to improve positioning speed and precision.

GPS卫星位置计算是进行GPS导航定位的关键环节，快速准确地计算出卫星坐标，对提高GPS定位精度和速度有着重要意义。

According to the models of the link length and visibility for multiple satellite constellations, the multi-layer mathematic model of the satellite network was built in this paper.

根据多层卫星星座网络的链路长度与可见性模型，建立了多层卫星网络的数学模型，并据此提出了一种适于多层卫星网络应用的层次路由协议。