whichincludesdataanalysismode、Р (们.GeolocationsimulationР andanalysisР IocationsimulationmodeandР situationsР areР analysisР oflocationmode.Р (5).11lesimulationresultsofthree-satelliteTDOAgeolocationobtainedinР discussedР differentР andanalyzedР indetails,basedР errorР 0nР MonteCarloexperiments.RelatedР conclusioniSsumerized.theoflocationtargetsaredistributedР onР limitedin2kmandmeanwhilesatisfyhagtheР satellitedoesnotwork,theprinCEPleofР thecircleof2000kmradiusareas.Р FurthermoreadvancedresearchisР usingtwosatellitesР made.VVhenР oneР geolocationР areaateР isstudiedandsimulationismade.SincethreesatelliteslocationР resultsinhighlatitudeР infirststep.Р bad.usingfoursatellitesiSconsidered.RelatedresearchР iSР madeР KeyWords:TDOAGeoloeafion,Three_satellite,Electronicreconnaissance,simulation,