简介：ToimprovethecurrentGISfunctionsindescribinggeographicobjectswithfuzziness,thispaperbeginswithadiscussiononthedistancemeasureofspatialobjectsbasedonthetheoryofsetsandanintroductionofdilationanderosionoperators.Undertheassumptionthatchangesofattributesinageographicregionaregradual,theanalyticexpressionsforthefuzzyobjectsofpoints,linesandareas,andthedescriptionoftheirformalstructuresarepresented.Theanalyticmodelofgeographicobjectsbymeansoffuzzyfieldsisdeveloped.Wehaveshownthatthe9-intersectionmodelproposedbyEgenhoferandFranzosa(1991)isaspecialcaseofthemodelpresentedinthepaper.

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简介：ThispaperdiscussestheseismicactivityinBeijingMunicipalityanditsadjacentareas(whicharereferredtoastheBeijingregioninthepaper).Byusingfuzzymathematics,thefactorscontrollingregionalcrustalstabilityaretransformedintofuzzyinformationandthenamodeloffuzzydiagnosisisestablished.AfuzzycomprehensiveevaluationofregionalcrustalstabilityintheBeijingregionismadeaccordingtotheseismicandgeologicalconditionsoftheregion.

简介：Onthebasisoftheresearchofthecartographicmodelsmadebytheauthorssomeyearsago,thispaperfurtherstudiestheestablishmentofcartographicfuzzymatrixtomaketheconceptsincartographye.g.,selection,deletion,mappinggeneralizationandimagetranformation,intosomeprecisemathematicalexpressions.

简介：Intheautomationofidentificationoflandscapefeaturesthevaguenessarisesfromthefactthattheattributesandparametersthatmakeupalandscapevaryoverspaceandscale.Inmostofexistingstudies,thesetwokindsofvaguenessarestudiedseparately.Thispaperinvestigatestheircombinationinidentificationofcoastlandscapeunits.Fuzzysettheoryisusedtodescribethevaguenessofgeomorphicfeaturesduetothecontinuityinspace.Thevaguenessresultedfromthescaleofmeasurementisevaluatedbystatisticindicators.Thedifferencesoffuzzyobjectsderivedfromdataatdifferingresolutions(insizefrom3×3cellsto25×25cells)arestudiedinordertoexaminethesehigher-orderuncertainties.

简介：Themethodsofdeformationanalysisandmodelingatsinglepointarerealizedeasilynow,butavailableapproachesdonotmakefulluseoftheinformationfrommonitoringpointsandcannotrevealintegrateddeformationregularityofadeformablebody.Thispaperpresentsafuzzycluseteringmethodtoanalyzethecorrelativerelationsofmultiplepointsinspace,andthenthespatialmodelforapracticaldangerousrockmassintheareaofThreeGorges,YangtzeRiverisestablished,inwhichthecorrelationofsixpointsinspaceisanalyzedbygeologicalinvestigationandfuzzysettheory.

简介：这篇论文为遥远地察觉到的数据，结果的分类的模糊的度被作为由一个常规算法与那作比较减少聚类的fuzzyc工具描述一个改进算法：也就是说，分类精确性被增加。这被在单个班的水平合并协变性矩阵而非假定全球的完成。从一个爱丁堡郊外的陆地封面的一个模糊分类的实验结果为聚类的fuzzyc工具证实了新算法的改进性能，特别地当模糊也在假定参考书数据被提供时。