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ADS-B信號干擾源自動監(jiān)測與粗定位技術(shù)研究
信息技術(shù)與網(wǎng)絡(luò)安全 12期
趙澤榮,胡 飛,伍 偉
(中國民用航空飛行學(xué)院,四川 廣漢618307)
摘要: 針對自動廣播相關(guān)監(jiān)視(ADS-B)數(shù)據(jù)鏈存中GPS信號容易受到干擾的情況,提出了一種自動監(jiān)測和粗定位方法來確定GPS信號干擾源。該技術(shù)處理方法在不改變現(xiàn)有ADS-B系統(tǒng)的基礎(chǔ)上,只是對系統(tǒng)軟件功能進(jìn)行擴(kuò)展,利用ADS-B地面站接收的目標(biāo)數(shù)據(jù),實(shí)時跟蹤每個目標(biāo)的運(yùn)動軌跡,制定跟蹤規(guī)則和算法,開展GPS信號干擾分析,準(zhǔn)確獲取GPS信號丟失和恢復(fù)的時間、經(jīng)緯度、高度等數(shù)據(jù),并與飛機(jī)的飛行軌跡進(jìn)行對比分析,同時將分析數(shù)據(jù)展現(xiàn)在電子地圖上,通過飛行大數(shù)據(jù)分析降低GPS信號干擾排查成本,提升人工排查GPS信號干擾源的效率,減少民航飛行安全隱患。
中圖分類號: TN924
文獻(xiàn)標(biāo)識碼: A
DOI: 10.19358/j.issn.2096-5133.2021.12.012
引用格式: 趙澤榮,胡飛,伍偉. ADS-B信號干擾源自動監(jiān)測與粗定位技術(shù)研究[J].信息技術(shù)與網(wǎng)絡(luò)安全,2021,40(12):71-75.
Research on automatic monitoring and coarse positioning technology of ADS-B signal interference source
Zhao Zerong,Hu Fei,Wu Wei
(Civil Aviation Flight University of China,Guanghan 618307,China)
Abstract: In this paper, an automatic monitoring and coarse localization method is proposed to identify GPS signal interference sources for the vulnerability of GPS signals in the automatic dependent surveillance-broadcast(ADS-B) data chain.The proposed technique works without changing the existing ADS-B system, just to extend the system software capabilities. Using the target data received by the ADS-B ground station, the movement trajectory of each target is tracked in real-time, developing tracking rules and algorithms,interference analysis of GPS signals is carried out. The time, latitude, longitude and height of GPS signal loss and recovery are accurately acquired, and compared with the flight trajectory of the aircraft, and the analytical data will be displayed on the electronic map. The proposed technical mothed reduces the cost of GPS signal interference detection through flight big data analysis, improves the efficiency of manual investigation of GPS signal interference sources, and reduces the potential civil aviation flight safety risks.
Key words : GPS signal;ADS-B;signal interference source;automatic monitoring

0 引言

交通運(yùn)輸業(yè)的繁榮是現(xiàn)代社會文明與進(jìn)步的標(biāo)志之一,但其持續(xù)性高速發(fā)展的背后也逐漸暴露出一些問題。如當(dāng)前民航機(jī)場及其相關(guān)航線所表現(xiàn)出的擁擠情況正在日益加劇,繼而導(dǎo)致航班準(zhǔn)點(diǎn)率下降愈發(fā)嚴(yán)重,不僅顯著增加了航班調(diào)度工作量,同時也會造成一定程度的經(jīng)濟(jì)損失。為了較好地緩解這一問題,除了通過某些行政手段與管制制度加強(qiáng)空域與航線的管理與規(guī)劃外,另外一個非常重要的途徑就是通過采用更為先進(jìn)的機(jī)載設(shè)備,配套部署并建設(shè)更為完善的“空-空”與“地-空”數(shù)據(jù)鏈以及將相關(guān)地面設(shè)備進(jìn)行升級等,繼而建立起一個更高效與立體化的空管監(jiān)視、運(yùn)行與管制的設(shè)備體系。廣播式自動相關(guān)監(jiān)視系統(tǒng)(ADS-B)正是在這樣的需求前提下應(yīng)運(yùn)而生的[1],且已在不斷的試驗(yàn)性應(yīng)用中逐步得到發(fā)展和成熟。




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作者信息:

趙澤榮,胡  飛,伍  偉

(中國民用航空飛行學(xué)院,四川 廣漢618307)


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