第52卷第1期测绘学报Vol.52,No.12023年1月ActaGeodaeticaetCartographicaSinicaJanuary,2023引文格式:杨元喜,王建荣.泛在感知与航天测绘[J].测绘学报,2023,52(1):1-7.DOI:10.11947/j.AGCS.2023.20220405.YANGYuanxi,WANGJianrong.Ubiquitousperceptionandspacemapping[J].ActaGeodaeticaetCartographicaSinica,2023,52(1):1-7.DOI:10.11947/j.AGCS.2023.20220405.泛在感知与航天测绘杨元喜1,2,王建荣1,21.地理信息工程国家重点实验室,陕西西安710054;2.西安测绘研究所,陕西西安710054UbiquitousperceptionandspacemappingYANGYuanxi1,2,WANGJianrong1,21.StateKeyLaboratoryofGeo-InformationEngineering,Xi̓an710054,China;2.Xi̓anResearchInstituteofSurveyingandMapping,Xi̓an710054,ChinaAbstract:Ubiquitoussensingisthefoundationofsmartearthandsmartcityconstruction.Theubiquitoussensingisdividedintoactivesensingandpassivesensinginthispaper,andthecharacteristicsofthetwokindsofsensinginformationareanalyzed.Theformerhasspace-timedatuminformationwhichisusuallyregular,accurateandreliable,whilethelatterusuallydoesnothavethesupportoftimeandspacedatum,andthedataisscattered,disorderlyandinaccurate.Theimportanceofspatio-temporaldatumofubiquitoussensingisdiscussedinordertodiscoverthevaluableknowledge,andtherelationshipsamongtheubiquitoussensingandthesatellitephotogrammetryaswellasgeographicinformationareanalyzed,andthekeytechnologiesoftheintegrationoftheubiquitoussensinginformationandsatellitephotogrammetryaswellasthegeographicinformationaresortedout.Keywords:ubiquitoussensing;spatio-temporaldatum;satellitephotogrammetry;datafusion;knowledgeminingFoundationsupport:TheNationalNaturalScienceFoundationofChina(No.41931076);TheNationalNaturalScienceFoundationforYoungScholarsofChina(No.41904042)摘要:泛在感知是智慧地球、智慧城市建设的基础。本文将泛在感知分为主动感知和被动感知,并分析了两类感知信息的特点,前者具有时空基准,并具有规则性、精确性和可靠性,后者通常不具备时间和空间基准支持,且数据零散、杂乱、不精确;论述了泛在感知时空基准的重要性,进而讨论了泛在感知与航天测绘的关系,并梳理了泛在感知与航天测绘融合的关键技术。关键词:泛在感知;时空基...