雙頻毫米波輻射計(jì)在對(duì)流層大氣折射修正中的應(yīng)用.pdf

1、南京理工大學(xué)碩士學(xué)位論文雙頻毫米波輻射計(jì)在對(duì)流層大氣折射修正中的應(yīng)用姓名：孫晉亮申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：信號(hào)與信息處理指導(dǎo)教師：彭樹(shù)生20040601碩士論文雙顛鼉米波輻射計(jì)在對(duì)流層大氣折射修正中的應(yīng)用AbstractRadiowavebendingiscausedbyatmosphericrefraction，whichleadstothedistancemeasuredbyradionavigationsystemdifferent

2、fromthemathTherefore，atmosphericrefractionmodificationmustbemadeinordertoimprovetheaccuracyofmeasurementAtmosphericrefractionprofilecallberetrievedfromtheatmosphericbrightnesstemperaturemeasuredbydual一丘equencymillimeterw

3、averadiometerandweatherparametersmeasuredbyautomaticweatherstationInadditiontotheadvantageofallweatherandreal—timeradiometerstanescapetheinfluenceofhypothesisofdelamination，andaccordinglythecorrectionresulthashigherpreci

4、sioncomparedwithtraditionalwaysThedesignofdual—frequencymillimeterwaveradiometerisdiscussedindetailinthedissertationTheexperimentresultsoregivenalso11leresultsindicatethatthemedlodofmillimeterwaveradiometerCOlrectioni12t

5、hetroposphere1sfeasibleAndthecorrectionprecisiondependsontheaccuracyofbrightnesstemperatureandtheaccuracyofcorrectionmodelConsequentlylowside—band，highefiqciencyantennaandaccurateCOITCctionmodelsarepreferredKeywords：Trop