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A high-level architecture for a Geomatics Informatization Technology System: the Chinese case

International Journal of Digital Earth 2011年第2期4卷 93-107页

作者： Jixian Zhang Weisen Li Liang Zhai Chinese Academy of Surveying and Mapping No.28 Lianhuachixi Rd.Haidian Dist.Beijing 100830China State Bureau of Surveying and Mapping No.28 Lianhuachixi Rd.Haidian Dist.Beijing 100830China

China will,as a component of‘Digital Earth,’establish a Geomatics Informatization Technology System(GITS)which is characterized by real-time acquisition,automatic processing,networking service,and socialized application with fundamental geographical *** basic composition of GITS is *** covers four layers and six *** four layers are data acquisition,processing,management,and application and *** six platforms are informatic geodetic datum,high-precision geo-spatial data acquisition,automatic geo-spatial data processing,grid-based geo-spatial information management,comprehensive geo-spatial information sharing and service,and geo-spatial information integration and *** informatic geodetic datum platform provides a carrier for all the four layers and a base for the other five *** high-precision geo-spatial data acquisition platform belongs to the acquisition *** automatic geo-spatial data processing platform belongs to the processing *** grid-based geo-spatial information management platform belongs to the management layer and is a bridge connecting geospatial data acquisition and spatial information sharing service and integrated *** comprehensive geo-spatial information sharing and service platform belongs to the application and service ***,this paper presents thoughts for constructing GITS.

关键词： Digital Earth geomatics geodetic datum data acquisition and processing information management and service

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An emerging technology-wearable wireless sensor networks with applications in human health condition monitoring

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Journal of Management Analytics 2015年第2期2卷 121-137页

作者： Hairong Yan LiDa Xu Zhuming Bi Zhibo Pang Jie Zhang Yong Chen Embedded Software and System Institute Beijing University of TechnologyBeijingChina Institute of Computing Technology Chinese Academy of SciencesBeijingChinaShanghai Jiao Tong UniversityShanghaiChinaUniversity of Science and Technology of ChinaHefeiChinaOld Dominion UniversityNorfolkUSA Department of Engineering Indiana University Purdue University Fort WayneFort WayneUSA ABB Corporate Research Center Sweden Old Dominion University NorfolkUSA

Monitoring health conditions over a human body to detect anomalies is a multidisciplinary task,which involves anatomy,artificial intelligence,and sensing and computing networks.A wearable wireless sensor network(WWSN)turns into an emerging technology,which is capable of acquiring dynamic data related to a human body’s physiological *** collected data can be applied to detect anomalies in a patient,so that he or she can receive an early alert about the adverse trend of the health condition,and doctors can take preventive actions *** this paper,a new WWSN for anomaly detections of health conditions has been proposed,system architecture and network has been discussed,the detecting model has been established and a set of algorithms have been developed to support the operation of the *** novelty of the detected model lies in its relevance to *** of health conditions are contextual and assessed not only based on the time and spatial correlation of the collected data,but also based on mutual relations of the data streams from different sources of sensors.A new algorithm is proposed to identify anomalies using the following procedure:(1)collected raw data is preprocessed and transferred into a set of directed graphs to represent the correlations of data streams from different sensors;(2)the directed graphs are further analyzed to identify dissimilarities and frequency patterns;(3)health conditions are quantified by a coefficient number,which depends on the identified dissimilarities and *** effectiveness and reliability of the proposed WWSN has been validated by experiments in detecting health anomalies including tachycardia,arrhythmia and myocardial infarction.

关键词： e-healthcare Internet of Things wearable wireless sensor network(WWSN) anomaly detection condition monitoring data acquisition and processing

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A Review of data acquisition System based on LabVIEW

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International Journal of Plant Engineering and Management 2018年第3期23卷 134-148页

作者： ZHAO Zixiang FAN Xiaobin LIU Xiaoping School of Mechanical and Power Engineering Henan Polytechnic UniversityHe'nan Jiaozuo 454000China

With the continuous development and expansion of automotive industry, car safety problems are widely concerned by most of us. In order to make it easier to adjust car′s real-time body posture, it is necessary to design a real-time data acquisition system, thus reducing the number of casualties in normal driving. A brief account of the development status of data acquisition system at home and abroad, and the concept, principle,function of virtual instrument platform are given. The advantages and disadvantages of the data acquisitionsystem, based on LabVIEW in different methods of data acquisition, are analyzed and compared, and put forward some improvements and optimization, so the real-time data acquisition system can meet the requirement of adjusting the state of the vehicle, improving real-time of data acquisition and processing. Finally, it indicates the development direction and prospect of data acquisition system based on LabVIEW.

关键词： data acquisition system virtual instrument body posture LabVIEW data acquisition and processing

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