星载SAR天线转动控制的软件模拟实现

利用串口通信技术,模拟了对星载合成孔径雷达(SAR)天线转动控制的监视与通信。本设计仅利用软件,通过笔记本计算机串口,模拟和替代星上通信上位机对RS485总线的调度功能。严格执行约定的通信协议,完成对星载SAR天线转动控制单元(下位机)的转动控制和实时监视。运行结果表明该软件显示灵活、直观,实时性好,稳定性高。软件大大简化了实验现场设备,顺利完成了国际合作研制设备的接口验收实验工作。

Software Simulation for Space-borne SAR Antenna Rotation Control

In this paper, serial communication technology has been used to simulate space-borne synthetic aperture radar ( SAR ) antenna rotation control monitoring and communication. Through the serial port of a laptop computor, the design from this paper used software programming to simulate and substitute satellite communication scheduling function of the host PC on RS485 bus , strictly implemented the agreed communication protocol, and completed the rotation controlling for space-borne SAR antenna rotation control unit ( PC ) and real-time monitoring. The operating results show that the software is flexible and intuitive, with good real-time performance and high stability. This software greatly simplified the experimental equipment, and successfully completed the international cooperation in the development of the interface device with acceptted qualification.