现在，波音公司依然在该领域占有绝对领先的地位，在地球同步轨道部署了大量用于商用、民用和军用的通信卫星。
Boeing today specializes in geosynchronous communications satellites for commercial, civil and military use.
过去，商业太空运输几乎专指用一次性运载火箭将通信卫星送入地球同步轨道。
It used to be that commercial space transportation was almost exclusively about launching communication satellites into geosynchronous orbit using expendable launch vehicles.
在滤波计算过程中，采用了改进的广义卡尔曼滤波算法，以某地球同步轨道通信卫星为背景，进行了计算机仿真研究。
Computer simulations are done based on certain earth synchronous communications satellite, and an improved extended Kalman filtering algorithm is adopted in course of filtering.
应用推荐