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《基于軟件無(wú)線電的無(wú)線信號(hào)實(shí)時(shí)監(jiān)測(cè)系統(tǒng)研究設(shè)計(jì)》由會(huì)員上傳分享,免費(fèi)在線閱讀,更多相關(guān)內(nèi)容在學(xué)術(shù)論文-天天文庫(kù)。
1、上海大學(xué)碩士學(xué)位論文基于軟件無(wú)線電的無(wú)線信號(hào)實(shí)時(shí)監(jiān)測(cè)系統(tǒng)研究設(shè)計(jì)姓名:周霽婷申請(qǐng)學(xué)位級(jí)別:碩士專(zhuān)業(yè):通信與信息系統(tǒng)指導(dǎo)教師:陳惠民20050101坫十軟刊尢線I乜的尢線信0實(shí)時(shí)婀測(cè)系統(tǒng)圳,‘垃¨摘要無(wú)線信號(hào)實(shí)時(shí)監(jiān)測(cè)系統(tǒng)對(duì)快速、靈活、有效地實(shí)現(xiàn)無(wú)線通信信號(hào)的實(shí)時(shí)分析具有重要意義。其在民用、商、止、軍事和國(guó)家安全等眾多無(wú)線通信領(lǐng)域中有著』一泛的應(yīng)用前景。本文在研究了標(biāo)準(zhǔn)軟件無(wú)線電系統(tǒng)結(jié)構(gòu)及其關(guān)鍵技術(shù)之后,設(shè)計(jì)了基于軟件無(wú)線電技術(shù)的無(wú)線信號(hào)實(shí)時(shí)監(jiān)測(cè)系統(tǒng)架構(gòu)。系統(tǒng)由中心控制站及遠(yuǎn)端監(jiān)測(cè)站兩卉
2、;分組成,通過(guò)在監(jiān)測(cè)站內(nèi)對(duì)0.1MHz~3GHz
3、頻帶范圍內(nèi)各種無(wú)線信弓進(jìn)jJ:不斷循環(huán)掃描,實(shí)現(xiàn)對(duì)··J.疑信號(hào)的監(jiān)測(cè)。本文重點(diǎn)闡述了遠(yuǎn)端監(jiān)測(cè)系統(tǒng)軟件的設(shè)計(jì)。該系統(tǒng)軟件基于windows操作系統(tǒng),采用Delphi為玎發(fā)平臺(tái),使用Visualc++編寫(xiě)底層動(dòng)念鏈接庫(kù)。通過(guò)連續(xù)掃描,本系統(tǒng)實(shí)現(xiàn)了對(duì)被監(jiān)測(cè)頻段無(wú)線信號(hào)的實(shí)時(shí)監(jiān)測(cè)分析,并提供多種時(shí)頻域分析顯示功能。在設(shè)計(jì)過(guò)程中,本文對(duì)實(shí)序列FFT算法做了改進(jìn),并對(duì)多次采樣技術(shù)做了研究慮用,改善了無(wú)線信號(hào)實(shí)時(shí)監(jiān)測(cè)系統(tǒng)中數(shù)字信號(hào)處理的速度和頻譜顯示效果。目f;{『,本系統(tǒng)已經(jīng)在某公司進(jìn)行試運(yùn)行,反映良好。關(guān)鍵詞:軟件無(wú)線電:無(wú)線信號(hào)實(shí)時(shí)分析;
4、無(wú)線信號(hào)監(jiān)測(cè);數(shù)字信號(hào)處坤ⅣJ凡學(xué)壩
5、¨學(xué)位論義畢F軟件尤線lU的尤線仿0實(shí)時(shí)臨測(cè)系統(tǒng)圳_冗啦AbstractThereal-timeanalyzingsystemforwirelesssignalplaysanimportantroleintherealizationofreal—timeanalyzingofwirelesscommunicationsignalinafast,flexiblemadeffectivewayThistechnologyhasawiderangeofapplicationsinthecivil,co
6、mmerce,militaryandnationalsecurity.Inthispaper,basedonthenormalarchitectureofsoftwareradioandstudiesofitskeytechnologies,areal—timewirelesssignalanalysissystemisputforwardanddesignedThissystemiscomposedofCenterControlStationandRemoteMonitoringStations,whichCanSCanwirel
7、esssignalscontinuouslyandcircularlyfrom0.1MHzto3GHztomonitorsuspicioussignalswithingivenfrequencyspectrum.ThispapermainlydiscussesthesoftwaredesignofRemoteMonitorStation.BasedonWindowsoperationsystem,thesoftwareisdevelopedbyDelphi,andVisualC++isalsousedtocompilethedyna
8、miclinklanguage.Throughthecontinuouslyscanning,real—timemonitoringofwirelesssignalsisrealized,andseveralkindsofanalyzinganddisplaymethodsaresuppliedrespectivelyintimeandfrequencydomain.FFTAlgorithmofreal—valuedsequencesisimprovedtofastenthedigitalsignalprocessandmulti—
9、samplingtechnologyisalsostudiedandappliedinthispaper,toimprovethedisplayeffectoffrequencyspectrumdiagramintheReal.timeRadioSignalMonitoringSystem.Now,thesystemistestedinacerlaincompany,anditbehaveswellKeywords:softwareradio;maI—timeanalyzingofwirelesssignal;monitoringo
10、fwirelesssignal;digitalsignalprocess原創(chuàng)性聲明本人聲明:所呈交的論文是本人在導(dǎo)師指導(dǎo)下進(jìn)行的研究工作。除了文中特別加以標(biāo)注和致謝的地方外,論文中不包含其他人已發(fā)表或撰寫(xiě)過(guò)的研究成果。參與同一工作的其