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  • A Novel Passive Wireless Sensor for Concrete Humidity ...

    2016-9-20u2002·u2002The two pairs of RFID tags, one residing in air and another one residing inside the concrete slab at 8 cm depth, are designed to resonate at 915 MHz. From Figure 2 a we can see the performance of dipole is dramatically affected when it is embedded in the concrete, the bandwidth is wider and the transmission loss increases obviously.

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  • Smart Aggregates: a Distributed Intelligent Multi-purpose ...

    Recent research in sensor tags and sensor networks has focused on the integration of sensors with RFID tags, for example to deliver internal concrete strain measurement (Carkhuff and Cain 2003 ...

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  • Imagining construction's digital future

    2016-6-24u2002·u2002And NFC technology is evolving. Soon, tags will be able to include information on specifications, dates, defects, vendors and original-equipment manufacturers, maintenance records, operating parameters, and other applications. Costs of RFID equipment, including scanners, receivers, and tags, are falling, and new applications are emerging.

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  • (PDF) Efficient RFID tag placement framework for in ...

    Radio frequency identification (RFID) structures have also been proposed, they consist generally of implanting the RFID tags in the guidance environment (e.g., on the floor, walls, pillars), and ...

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  • Modeling and Applications of a Chemical-Loaded UHF RFID ...

    Similar interesting approaches have included modification of commercial RFID tags [9,52,53,[113] [114] [115] and NFC tags [116] to enable low-cost passive …

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  • HawkeyePedershaab: Automation propels ... - Concrete Products

    2018-5-1u2002·u2002In contrast to traditional configurations around stationary forms, Prima introduces a system where forms automatically circulate in a loop through specialized work stations: stripping, cleaning and oiling, steel placement, filing, and ultimately curing. It uses RFID tags and readers positioned on carrier pallets and throughout the plant to ...

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  • Automatic Antenna Tuning Unit to Improve RFID System ...

    Abstract. Systems for radio-frequency identification (RFID) realize a bidirectional wireless communication between a reader device and cheap passive tags (e. g., an RFID …

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  • US10983106B2 - patents.google.com

    US10983106B2 US16/574,343 US201916574343A US10983106B2 US 10983106 B2 US10983106 B2 US 10983106B2 US 201916574343 A US201916574343 A US 201916574343A US 10983106 B2 US10983106 B2

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  • Web of Knowledge - Clarivate

    Web of Knowledge - Clarivate

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