目標(biāo)回波仿真與應(yīng)用研究.pdf

1、f㈣黼瑚_㈣㈣fY14370卷。艿分類號(hào)：UDC：工程碩士學(xué)位論文密級(jí)編號(hào)目標(biāo)回波仿真與應(yīng)用研究碩士研究生：徐翔指導(dǎo)教師：樸勝春研究員企業(yè)導(dǎo)師：馬忠成研究員學(xué)位級(jí)別：工程碩士，工程領(lǐng)域：船舶與海洋工程所在單位：水聲工程學(xué)院論文提交日期：2008年5月論文答辯日期：2008年6月學(xué)位授予單位：哈爾濱工程大學(xué)哈爾濱工程大學(xué)碩士學(xué)位論文，ABSTRACTSimulationaboutthetargetechocharacteristicsis

2、aresearchdirectionofunderwateracousticsItisthebaseofunderwatersimulationtechnologywhichCallbeappliedtoexperimentationdesignatseaunderwateracousticequipmenttest，andunderwateracoustictargetdecoyandSOonImprovetheresultsofth

3、esimilarityofobjectivesarethedirectionoftheprofessionalAactivesimulatorisresearchedinthethesisThetargetechocharacteristicsarecompensatedtotheincidencesignalofactivesonarComparedwiththecopysignal，Whichiscomefromechosignal

4、’ssimpletransform，itssimilitudehasbeenimprovedBasedontheanalysisofprincipleontargetecho，firstlythethesisstudiesthecharacteristicsofechoes，manycharacteristicsofechosignalandcopysignalwhichgetintheexperimentintheoceanhaveb

5、eenextractedsuchasfluctuationofenvelope，fluctuationofphase，Dopplershift，spectraspreadandSOon，andthedifferencesbetweenechosignalandcopysignalhavebeencompared；Inordertosimulatethecharacteristicsoftheecho，Thecharacteristics

6、ofthetargetresponsewascalculated，andthedirectsoundsignalWascompensatedbytheuseofthefrequencyresponseItiscomparedwithcopysignalandthealgorithmisvalidatedSimulationdevicealedesignedandbuilt；throughthefinaltestatseathehardw