GPS遥测编码电路设计

Design of GPS telemetry coding circuit

针对采用全球定位系统(GPS)/遥测技术(TM)研制的在研武器增程炮弹、火箭弹弹道轨迹测试、无人机航迹测试中弹载GPS定位信息及其它被测物理量测量信息实时融合、编码、遥测转发传输等任务要求,提出一种弹载GPS遥测编码电路设计的新方法。该方法通过双CPU控制、双端口缓冲存储实现弹载可编程装定、被测信息实时融合、编码转发,通过CPLD电路集成设计,满足了飞行载体航迹、弹丸飞行轨迹的测试任务。经过机载、炮射环境试验考核,取得了较好的应用效果。

To satisfy the demand of fusion, coding and telemetry transferring of the GPS positioning information and the other physical measured parameters in the ballistic trajectory testing and the flight-course testing of the developing extended range trajectile, rocket and robot bomb which are developed by GPS/TM technology, a new method of design of airborne GPS telemetry coding circuit is put forward. By the means of double-CPU controlling technique, double-port buffer accessing technique, it is realized to load the reprogramming, carry out the real-time fuse of measured information and code transfer. Finally by CPLD integrated circuit design, measurement and test of course of flight carriers and flight trajectory of trajectile are finished. A satisfied test results are achieved through assessing of several tests by loading in robot bomb and projectile.\;