Thispaperconstructsasimulationsystemofnear-fieldlaserimagingfor3Dgridmodeloftarget,providessomemethodsforthekeyproblems,suchasthemodelingoftargetandlasertransceiver,thecalculationoflaserechopower,theimagingalgorithmsandsoon.Atargetimagelibraryisestablishedbyanewimagingmethodinanyrendezvousconditions.Thefourreal-timerecognitionalgorithmswhichareefficientandsuitableforhardwareimplementationarepresentedattheconditionsoftheimageincompleteness,intensivenoiseandarbitraryattitudeoftarget.Theexperimentalresultsshowthatallthefouralgorithmscanindependentlyrecognizethetargeteffectivelyandabetterrecognitioneffectisobtainedbytheintegrationoffouralgorithms.
