区域自动气象站通信质量测试及改良方法研究
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摘要
为了提高野外无人区域自动气象站的在线率和数据传输及时率,解决站点通信质量差、信号强度弱等问题十分关键。简要介绍了区域自动气象站站网结构、站点硬件构成,重点阐述了通信部分的工作原理;对区域自动气象站通信部分易出现的故障进行分类,提出了相应的解决方法;选取不同型号的通信模块和天线组合进行测试分析,发现使用加长增益天线能够提高站点信号强度和通信稳定度;实地测试结果表明,该方法有效解决了偏远站点通信信号质量差的问题,为提高区域自动气象站数据传输及时率提供了良好的解决方法。
In order to improve the on-line rate and data transmission time rate of regional automatic weather stations without people in the field,it is very critical to solve the problems of poor communication quality and weak signal strength at the site.This paper briefly introduces the network structure of the regional automatic weather station and the hardware composition of the station,and focuses on the working principle of the communication part.It classifies the faults that appear in the communication part of the regional automatic weather station and puts forward the corresponding solutions.Different types of communication modules and antenna combinations are selected for test and analysis,it is found that the use of extended gain antenna can improve the signal strength and communication stability of the station;the field test results show that this method effectively solves the problem of poor communication signal quality at remote sites and provides a good solution for improving the data transmission timeliness rate of regional automatic weather stations.
In order to improve the on-line rate and data transmission time rate of regional automatic weather stations without people in the field,it is very critical to solve the problems of poor communication quality and weak signal strength at the site.This paper briefly introduces the network structure of the regional automatic weather station and the hardware composition of the station,and focuses on the working principle of the communication part.It classifies the faults that appear in the communication part of the regional automatic weather station and puts forward the corresponding solutions.Different types of communication modules and antenna combinations are selected for test and analysis,it is found that the use of extended gain antenna can improve the signal strength and communication stability of the station;the field test results show that this method effectively solves the problem of poor communication signal quality at remote sites and provides a good solution for improving the data transmission timeliness rate of regional automatic weather stations.
引文
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[2]卢舟,刘钟中,陈科,等.常德市区域自动气象站维护维修方法研究[J].气象水文海洋仪器,2017,34(3):80-83.
[3]黄锐.浅析“边界漫游”引起的区域自动气象站通信故障[J].信息通信,2014(9):282-283.
[4]周治黔,熊平.不同代际移动通信技术对自动气象站数据传输支撑能力对比分析[J].中低纬山地气象,2018,42(2):72-76.
[5]陈璐,王辉,李林.浅谈改善北京市区域自动气象站通信环境[C].中国气象学会城市气象论坛,2012:155-156.
[6]张远洪,罗晓松,赵大清,等.浅析移动通信网络升级对区域自动气象站GPRS通信的影响[J].贵州气象,2017,41(1):74-77.
[7]杨顺泉,杨培焱,李佐海,等.湖南地质灾害[M].长沙:湖南科学技术出版社,2000.
[8]刘灏,林明丽.ZQZ-A型区域自动气象站GPRS通信模块故障特征分析[J].气象水文海洋仪器,2009,26(2):45-46.
[9]李黄.自动气象站实用手册[M].北京:气象出版社,2007.
[10]江苏省无线电科学研究所有限公司.ZQZ-A系列中小尺度自动气象站用户手册[S].2006.
[11]苏禹宾.广西区域自动气象站综合测试系统[J].气象研究与应用,2014,35(1):82-84.
[12]蒋涛,于平,刘宇,等.区域自动气象站蓄电池在线监测系统的研究[J].国外电子测量技术,2016,35(2):85-89.
[13]马云龙,程雷.区域自动气象站供电系统结构原理与故障分析[J].气象水文海洋仪器,2017,34(4):79-82.
[14]张军,杨峥嵘.小型监测站与通信基站共站址探讨[J].中国无线电,2013(9):69-69.
[15]田琳,李姗,付芬.区域自动气象站通信模块H7118C调试与故障维护[J].信息通信,2016(7):88-90.