绪言在广播卫星进行直接广播的场合下,除卫星本体外,在卫星广播系统中完成重要任务的部分,是向卫星传送广播节目的上行发射主台以及对卫星进行遥测、跟踪和控制(TT&C)的卫星运行控制站等地面设施。除此而外,具有特色、作为卫星广播系统构成部分的,有从全国任意地点采访节目素材 INTRODUCTION In the case of direct broadcast by broadcasting satellites, in addition to the satellite ontology, an important part of the satellite broadcasting system is accomplished by the uplink transmitting mainstays which transmit broadcasting programs to satellites and telemetry, tracking and control of satellites (TT & C) Satellite operation control station and other ground facilities. Apart from that, there are special features, as part of the satellite broadcasting system, from any part of the country interview program material