一种星载遥测采集电路优化设计  

An optimized design of a space-borne telemetry acquisition circuit

作　　者：纪丙华 王茂森 沈奇 张锦涛 戴琳 JI Binghua;WANG Maosen;SHEN Qi;ZHANG Jintao;DAI Lin(Shanghai Aerospace Electronics Technology Research Institute,Shanghai 201109,China)

机构地区：[1]上海航天电子技术研究所,上海201109

出　　处：《航天器环境工程》2022年第6期604-607,共4页Spacecraft Environment Engineering

摘　　要：为了解决传统卫星平台配套使用的遥测采集模块数字量遥测回传延时、缓存成本高的问题,研制了一款基于FPGA控制、无需硬件缓存的即采即发遥测采集电路。该电路收到遥测请求指令后,可实现模拟量实时采集实时发送,使在相同遥测采集周期的条件下数字量遥测回传的时延明显降低,解除了对存储器件的依赖性,降低了研制成本,可为星务平台提供高实时的遥测参数,为平台更好地实现任务规划提供操作依据。In order to solve the problems of digital telemetry return delay and high caching cost of telemetry acquisition module used in the traditional satellite platforms,a capture-and-send telemetry acquisition circuit based on FPGA control without hardware caching was designed.After receiving the command of telemetry request,the circuit could realize real-time capture-and-send of analog quantity.Under the condition of the same telemetry acquisition period,the delay of digital quantity telemetry and transmission is significantly reduced,Which relieves the dependence on storage devices and reduces the development cost.It may provide high realtime telemetry parameters for the satellite service platform and provide operational basis for the platform to better realize the mission planning.

关 键 词：遥测采集 即采即发 实时性 电路设计 软件设计 实测验证 

分 类 号：V557.3[航空宇航科学与技术—人机与环境工程] TP212[自动化与计算机技术—检测技术与自动化装置]