小型遥测系统的容量和信道设计

论述了某型号无人机遥测系统中的容量和信道设计问题.文中对该遥测系统的组成和原理进行了介绍.结合具体的遥测任务需求,在容量设计中确定了数据传输率和使用的帧格式,在信道设计中,通过计算实际信道中的误码率,提出了相应的信道编码方案以确保数据传输的低误码率要求.

Capacity and Channel Design of Small Telemetry System

Some problems about overall design of a small unmanned air vehicle telemetry system are presented in this paper.The construction and fundamental principle of the telemetry system is simply introduced.According to the telemetry task requirement,the key problems which should be solved at first are demonstrated mainly by system's capacity design and channel design.The needed data transmission rate is carefully calculated with the telemetry parameter table provided by user and on this basis the frame structure is decided.The bit error rate in factual telemetry channel is grossly estimated in theory and a channel encoding scheme is provided to improve data transmission quality to meet with the requirement for extremely low bit error rate.