测量船卫星通信多路频谱在线监视系统设计与实现

Design and implementation of online multichannel spectrum monitoring system in the surveying vessel's satellite communication

介绍了测量船船载卫通站多路频谱监视系统的设计和实现过程,说明了系统总体设计思路,给出了由"变频与校准+频谱分析+显示与控制"等单元模块组成的系统硬件设计结构。根据系统要求并结合实际情况,介绍了综合测试软件的设计思路,实现了对测量船船载卫星通信多路频谱信号的在线监视功能,实时对船载C、Ku/Ka卫通站射频信号进行分析检测,采用LAN方式实时分发测试数据和报警信息,达到了对整个系统和设备性能的监视、检测和对故障(含瞬发故障)的定位与隔离,提高了卫星通信分系统的可靠性、可维修性,有力的保障了分系统的安全可靠运行。测试表明,系统设计简洁,工作稳定可靠,满足功能需求。

This article introduces the design and implementation process of the vessel ship satcom stations multiplex spectrum monitoring system, introduces the overall design ideas, gives the system hardware design structure composed of frequency conversion and calibration ＋ frequency spectrum analysis and calibration 4- display and control. According to the system requirements and combined with actual situation, this paper introduces the design idea of comprehensive test software which realizes the capabilities of ship borne satellite communications multi-channel spectrum signal＇s on-line monitoring with vessel, real-time analysis and testing RF signal of ship borne C, Ku/Ka satcom station, real-time distributing test data and alarm information using LAN. The system improves the reliability and maintainability of the satellite communication system, and gives strong guarantee for safe and reliable operation of the system. Tests show that the system design is simple, stable and reliable, meets the functional requirements.