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Aiming at the real-time monitoring of Sewage in the service area. This paper presents a sewage quality monitoring system based on ZigBee wireless sensor network. Wireless sensor networks adopt star structure, the system consists of data acquisition terminal node, the coordinator node and the monitoring center. The terminal node sends the collected data to the coordinator node, Coordinator node sends...
The wireless monitoring and management system of tower crane based on Modbus / TCP protocol is designed for the distributed, efficient and safe operation of tower crane. Designing monitor surveillance terminal with Cortex A8 and WinCE6 as platform for real-time monitoring of state information of tower crane operation. And then, Using Modbus / TCP protocol to design a wireless communication message,...
Node locations and distance are important in networks. This article assumes sensor nodes are distributed randomly and studies the energy consumption in a single regular hexagon and two adjacent regular hexagon. Meanwhile, distance distribution function is verified and point average energy consumption function is derived and simulated by using Monte Carlo method. The simulation results show that distance...
In the sports management activities, decision and plan need information and in the process of organization and control also need information as the main basis. The whole process of sports management is the process of information processing. To effectively play the role of sports information resources, the sports information management has been proposed to be researched as an emerging discipline, which...
Compression enables communicating information with a smaller amount of data and, in some cases, also saves energy in mobile environments. In order to achieve this we formalize conditions for energy efficient compression. In a basic compression case the condition is ec/(1-C) ≤ Eb. It defines compression to be efficient, if the compression energy cost for the gained compression on the left hand side...
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