聲納指向性分析與作用距離動態(tài)預(yù)報軟件.pdf

1、分類號：——UDC：工學(xué)碩士學(xué)位論文Y780962密級：——編號：——聲納指向性分析與作用距離動態(tài)預(yù)報軟件碩士研究生：指導(dǎo)教師：學(xué)位級別：學(xué)科、專業(yè)：所在單位：論文提交日期：論文答辯日期：學(xué)位授予單位：何立濤徐新盛教授工學(xué)碩士水聲工程水聲工程學(xué)院2005年2月2005年2月哈爾濱工程大學(xué)AbstractAsbeknown，itisthebaseworkforSOrlardesignertostudybeampattern，andalso

2、makeveryimportantactionsinnavaltacticsBasedonthedesigningprincipleofsonararrayseveralimportanttargetsshouldbediscussedandanalyzedinthispaperAfterthat，weusedthedatafromNavyTheoryCentertofoundadatamodelonTransmissionLosing

3、，andcalculatingthedistancebythesonarequationThethesis’Smaincontents：basedonthedatamodelofTransmissionLosing，combinedwithsonarsystemandtargetsparameters，thetheoryandthearithmeticoncalculatingtheinputratioofsignalandnoise，

4、realizetwodimensionsdistanceforecastStudythetheoryofbeamformingonanarbitraryshapesonararraydeductitsdirectionalfunctions，SOaStoestimatethearraygain，thedirectionalprecision，andthedifferentiationofmoretargetsOnthegroundofa

5、11makeuseoftheVisualC60softwareinthepaperwedevelopoutasoftwareforsonararraydirectionalcharacteranalyzingandthedistanceforecasting，itCanhelpUStostudythedirectionalcharacterthedifferentiationofmoretargetsandthearraygainItC

6、ananalyzetheTransmissionLosingdataofgivenseaareashiptrackWithsonardetectionthresholdandtheotherparameters，calculatingthedistancebythemeantime，andfigureoutitdynamicbyimagesorbyletters，SOthatthetacticscapabilitiesofthesona