亚太6D通信卫星方案设计与技术特点

APSTAR-6D Communication Satellite System Design and Technology

亚太6D(APSTAR-6D)通信卫星是我国研制的首颗Ku/Ka频段全球高通量宽带商业通信卫星,也是首颗东方红四号增强型(DFH-4E)公用平台全配置的卫星,其通信容量达到50Gbit/s,并具有90个用户波束实现可视范围下全球覆盖。文章概述了亚太6D卫星的方案设计,并总结了卫星系统减重、布局优化、高性能有效载荷、全生命期电推进应用、高效载荷测试、流程优化、在轨自主运行管理等技术特点,并给出了在轨使用效能以及对后续高通量卫星的发展建议。卫星的成功发射和在轨应用,实现了我国高通量卫星技术水平的大幅提升,可以有效地促进我国高通量卫星的研制及应用。

APSTAR-6D satellite is the first Ku/Ka high-throughout broadband commercial communication satellite developed by China.It is also the first fully configured satellite based on the DFH-4E platform,with a communication capacity of 50Gbit/s and 90 user beams to achieve global visual coverage.This article offers an overview of the satellite scheme design,summarizes the technical characteristics of system weight reduction,layout optimization,high-performance payload design,full-life electric propulsion application,high-efficiency payload testing,technical process optimization,in-orbit independent operation management,introduces in-orbit usage efficiency and gives development suggestions for subsequent HTS satellites.The successful launch and in-orbit application of APSTAR-6D satellite have greatly improved the technical level,which can effectively promote the development and application of HTS satellites in China.