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Taking advantage of the data gathering capability of wireless sensor networks (WSNs) as well as the data storage and processing ability of mobile cloud computing (MCC), WSN–MCC integration is attracting significant attention from both academia and industry. This paper focuses on processing of the sensory data in WSN–MCC integration, by identifying the critical issues concerning WSN–MCC integration...
The regional innovation network is the carrier of the regional innovation system. The efficiency of knowledge flowing in the network decides the quality of the regional innovation network, and is the origin of the regional competitive advantage. According to the different characteristic of vary types of knowledge, this article proposed some target-oriented advice to promote the knowledge effective...
To formally represent enterprise information system (EIS) and solve the information explosion based on KM approach, this paper presents new approach based on the object-based knowledge mesh (OKM), and detailly studies the differences and relationship between the two approaches. To this end, based on KM theory, new concepts of OKM and the information transfer relationship mesh (ITRM) are proposed as...
We study the scaling capacity of wireless sensor networks in case of multiple gateways are presented. In such a heterogeneous network, many gateways are needed to gather data from the sensor nodes in network. Different from the previously studied single-gateway model, our proposed gateway access model allows multiple gateway nodes being seamlessly connected with high speed wire-line or wide-band radios...
To achieve high resolution in frequency measurement, an depth analyzing of the group phase relationship between two signals with different frequencies is done, on which an ultrahigh resolution measurement scheme by detecting the optimal group phase coincidence is presented. The method is implemented on a CPLD chip, and the actual measurement data of the prototype shows that its resolution is approximately...
The short time-interval and frequency measurement are main research projects in the measurement of time and frequency. Traditional measurement methods include direct counting, analog interpolating, time-to-voltage conversion, time vernier and time-to-digital conversion. However these methods are all complicated and the instruments based on these methods are expensive. A novel method for short time-interval...
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