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Mathematical Problems in Engineering
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Mathematical Problems in Engineering
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2013
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Article
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Fig 3
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Review Article
Recent Developments on Wireless Sensor Networks Technology for Bridge Health Monitoring
Figure 3
Prototypes of wireless sensor.
(a)
Wireless sensor proposed by Lynch et al. in 2003 [
29
]
(b)
The two-layer circuit board [
34
]
(c)
The enclosed two-layer circuit board with batteries [
34
]
(d)
Narada wireless sensing prototype [
37
]