近期,中国空间技术研究院完成第18、19、20颗北斗导航卫星的卫星系统在轨试验工作,标志着这三颗新一代北斗导航卫星正式开启“并肩作战”模式,为下一步全球组网星座开展技术试验和工程建设奠定良好基础。据悉,三颗卫星在顺利完成在轨测试,转入在轨试验阶段后,又完成了卫星平台、卫星载荷、 Recently, the China Academy of Space Technology completed the orbit test of the satellite systems of the Beidou Navigation Satellite of the 18th, 19th and 20th Navy, marking that the three new generation Beidou navigation satellites officially opened the mode of “fighting alongside each other” Network constellation to carry out technical tests and construction projects to lay a good foundation. It is reported that the three satellites successfully completed on-orbit testing and transferred to in-orbit test phase and completed satellite platforms, satellite loads,