Oil wells security monitoring plays an important role in oil well safe production, the geographical environment of oil wells is special, it is not very reality to monitor them live artificially 24 hours, and most of existing monitoring systems have such defects:complex installation and high cost, or high communications costs. The research of oil wells
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Along with the development of embedded technology and wireless communication technology, the data transmission based on embedded and wireless communication network is more widely used. In the modern society, people pay more and more attention to the temperature factors. Such factors are often required testing and controling on the specific environment of life and production.Therefore
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With the development of science and technology, LED advertising screen with improving performance and price lower, LED advertising screen as a new information display media in the modern information society get more people’s recognition of and widely application, at present one of the development direction of advertising screen is the wireless LED advertising screen design
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Remote Vehicle Surveillance System which this paper focuses on is an equipment mounted on the vehicle. It can report the real-time operational status of vehicles.Its design is different from common surveillance system.It integrates various technologies.such as Embedded System Technology,Wireless Communication Technology and Satellite Positioning Technology.And it must ensure good reliability and a low-cost.This paper first
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With the development of science and technology, LED advertising screen with improving performance and price lower, LED advertising screen as a new information display media in the modern information society get more people’s recognition of and widely application, at present one of the development direction of advertising screen is the wireless LED advertising screen design
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With the refinement of divisions in the logistic areas as well as popularization of the frozen food in our country, cold chain which requires transportation with low temperature has arisen. It is essential to control the quality of cold chain and management of the temperature immediacy. Nowadays, most of the companies dealing with cold chain
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With the global environment deteriorating, earth*****s, fires, hurricanes and other natural disasters, which make great harm to the global human production and life. Relief environment after disaster is very harsh, some of which are hard to reach and threat to human life and safety.More foot reptile can be well adapted to rough terrain through a
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The importance of water is self evident. Water plays a vital role not only in nationalproduct but also in people’s daily lives. With China’s rapid economic development andpeople’s living standards improving, people increased the demand and improved qualitystandards for water. In short period of time, the water quantity of enterprises and residentsusing will continue to
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With the wide application of the high-precision digital electronic detonators in the mining, water conservancy, transport and railways, the digital explosion is becoming more and more popular. The damages caused by the explosion are always the problem, which the science concerns. With the aim of blasting vibration on the remote measurement and monitoring, in the
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Monitoring system is essential in some important places such as bank, oilfield, power, traffic, security-monitoring, environmental monitoring. In this paper, radio frequency (RF) communication technology, ARM embedded technology and GPRS communication technology are incorporated to develop one remote wireless monitoring system,which has the features automation, large amounts data acquisition, real-time, lower costs.Based on lots of
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