Inthispaperthepropertiesofspace-timecorrelationfunctionofthenoisefieldofmovingsourceinlayeredstatisticinhomogeneousmediumarestudiedandtheeffectsofrandomfluctuatingboundaryarecon-sideredaswell.Ithasbeenshown,theoreticallyandexperimentally,multi-pathpropergatingeffectscausethedispersionofthecorrelationfunctionandfluctuationsofthemediumrefractionindexandtheboundarycausethefluctuationofit.Theeffectofthemovementofthenoisesourceontheoutputofreal-timecorrelatorisequivalenttoalow-passfilteraddedthedriftofspace-timecorrelationfunction.Thesepropertiesofthecorrelationfunctioncausegravedegradationofthesignalprocessinggainofnoiserangingsonarsystem.Thefluctuatingandthedistortionofconrrelationfunctionmadeitdifficulttorealizethenoiseranging.Sointhispaper,amethodofspacecorrelationrangingbyalineararrayoffourpointswithshortseparationandlongspanandatechnigueofdual-correlationsignalp