“长征五号”火箭大容量调频遥测系统研制

Development of Large Capacity FM Telemetry System for Long March 5 Launch Vehicle

遥测系统负责获取全箭飞行遥测数据,是事后评定火箭综合性能的关键。介绍了应用于“长征五号”(CZ-5)运载火箭的新一代大容量调频遥测系统的总体方案与组成。重点针对10 Mbps高码率调频遥测关键技术应用面临的问题,从调频遥测增强技术应用、分级基带数据综合与传输、高增益天馈系统三个方面给出了技术攻关情况与飞行试验应用验证结果。结合研制历程,总结了新一代火箭大容量调频遥测系统的研制经验以及拓展应用情况。

The telemetry system is responsible for obtaining the telemetry data of the whole rocket flight,which is the key to evaluate the comprehensive performance of the rocket afterwards.This paper introduces the overall scheme and composition of a new generation of large capacity FM telemetry system applied to Long March 5 carrier rocket.Focusing on the problems faced by the application of the key technology of 10 Mbps high bit rate FM telemetry,the technical breakthrough and flight test result are given from the aspects of the application of FM telemetry enhancement technology,the synthesis and transmission of hierarchical baseband data and the high gain antenna feed.Combined with the development process,the development experience and application of a new generation of large capacity FM telemetry system for rockets are summarized.