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In order to monitor and predict Dianchi cyanobacterial blooms in different time scales, the system was studied based on the multi-function wireless sensor network technology and geographic information systems. The gray theory and BP artificial neural network were combined to achieve dynamic forecasting and prediction of water quality; temporal and spatial expression using GIS technology to display...
Application which combines intelligent terminals based on Android platform with sensor network is developing faster and faster. In order to achieve the Android terminal's controlling hardware sensors through wireless net, the subject realizes a USB Accessory Mode + ZigBee data communication mode by the way of research, comparison and scientific experiment of combining Android platform with wireless...
Wireless sensor networks have recently become new techniques and popular research issues. A wireless sensor network consists of a large number of sensor nodes that have the capabilities of sensing, computing and wireless transmission. Wireless sensor networks (namely WSNs) assist people in working under dangerous environments, provide long-term target observations and track on moving objects. Consequently,...
Although wireless sensor networks have been studied extensively, several problems should be addressed, including the sensors placement policy, the data aggregation or fusion issue, and realizable applications. However, one of important issues is the placement policy of sensor nodes. Most studies have proposed the probability-based placement policies for monitoring an overall area. In most applications,...
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