船载测控系统遥控小环误码分析与解决方案

针对某型船载测控系统中遥控设备存在遥控小环比对误码故障,在分析遥控小环接收解调机理基础上,通过模拟仿真和试验研究,建立了遥控副载波收发相位延迟与数据解调间的关系模型,提出了解决遥控小环设备误码问题的设计方案。试验结果表明,该方案对于解决船载测控系统中遥控小环比对误码问题是有效的、可靠的,降低了遥控指令小环比对错误的虚、漏概率,确保了遥控指令发送状态信息的实时监视。

Solution to Bit Errors of Telecommand Minor Loop Comparison in Ship-Borne TT&C Systems

Following analysis of the receive and demodulation principle of telecommand minor loop equipment, simu-lation and experiments, a model for the relationship between telecommand subcarrier phase delay and data demodula-tion is built and a solution is proposed to solve the problem of bit errors in minor loop comparison of the telecom-mand subsystem of a ship-borne TT＆C （Tracking, Telemetry and Command） system. Test results show that the solution is effective and reliable and it reduces the probability of false or missed command. Moreover, it ensures re-altime monitoring of the status of telecommand transmission.