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1、考试时间：6月8号，8:00—10:00；鉴3-10名词解释：1）ProgressiveSampling:Itiscarriedoutinagridpatternwhoseintervalchangesprogressivelyfromcoarsetofineoveranarea(E25)2)LIDAR:ASLIDARisanactivesystem,itsendsoffelectromagneticenergyandrecordstheenergyscatteredbackfromtheterrainsurfaceandtheobjectsontheterrain
2、surface.(E53)3)INSAR:ItisatechnologythatapairofSARimagesofthesameareatakenatslightlydifferentpositioncanbeusedtoformaninterferogramandthephasedifferencesrecordedintheinterferogramcanbeusedtoderiveatopographicmapofEarth’ssurface.(E43)4)DGPS:Itistodeterminethedifferenceofcoordinatesbetwe
3、entwopoints,oneofwhichisknownprecisely.(E61)5)DPW:Itisanautomatedsystem.Whengivenanimagepointoftheleftimage,thesystemwillsearchthecorrespondingpointontherightimageautomatically.(E39)6)DTM:ADTMisanorderedsetofsampleddatapointsthatrepresentthespatialdistributionofvarioustypesofinformatio
4、nontheterrain.(后面的还有个公式，见E8，自己加上去)7)Least-squaresfitting:(重点是公式，见书上E124)Asimpledefinitioncouldbethatthesumoftheabsolutevaluesoftheerrorsisataminimum.Anotherpopulardefinitionisthesquareerrorsbeingminimum,leadingtotheleastsquares,whichiswidelyusedinerrortheory.(E122)8)ConstraintsDelaunay
5、Triangulation:DelaunayTriangulationwithconsiderationofagivenconstrainisconstrainedDelaunayTriangulation,theseconstraintsareagivensetofdatapointsandasetoflines.(E101)填空题1)DTMhaswideapplicationsinallgeo_sciencesandengineering,suchasflightsimulation,battlesimulation,tankrouteplanning,miss
6、ileandairplanenavigation.2)Distribution,densityandaccuracyareattributesofsampledsourcedata.3)Theaccuracyofsampleddatalargelydependsonthemethodsusedformeasurement,suchasthemodeofmeasurement,instrumentsused,techniqueadopted.4)Therearethreebasicorientationsintheprocedureofphotogrammetry:i
7、nterior,relative,absolutely.5)Threetypeofpossiblerelationsbetweenelevationvaluesofneighboringcontoursare:increaseinelevation,decreaseinelevation,equalelevation.6)Generallyspeaking,therearethreetypeofmodelsintheworld:conceptual,physical,mathematical.7)Thecomplexityofaterrain:（光谱频率，分形，
