NDLI: A microwave sensor system based on reverse modelling of the array factor

Content Provider	IEEE Xplore Digital Library
Author	Costanzo, A. Masotti, D. Arbizzani, N. Rizzoli, V. Mastri, F.
Copyright Year	2012
Description	Author affiliation: DEIS - I School of Engineering, University of Bologna, Bologna, Italy (Masotti, D.; Arbizzani, N.; Rizzoli, V.) \|\| DEIS - II School of Engineering, University of Bologna, Cesena Campus, Italy (Costanzo, A.; Mastri, F.)
Abstract	The paper describes a possible circuit implementation of a low-cost, non-invasive sensor system for wireless structural monitoring. It consists of a two-tags array and one reader: the former is the sensor placed on the structure to be monitored, the latter is placed in a predetermined position with respect to the array phase center. Particular attention is devoted to the antenna design, in order to manage cross-polarized signals in the system activity. The simple operating principle of the system exploits the far-field array-factor definition, in particular the positions, on the reader side, of the nulls of the received radiation surface. A proof of concept of the sensor is experimental demonstrated for two operating frequencies, 2.45 and 5.8 GHz.
Starting Page	3446
Ending Page	3449
File Size	316366
Page Count	4
File Format	PDF
ISBN	9781457709180
e-ISBN	9781457709203
e-ISBN	9781457709197
DOI	10.1109/EuCAP.2012.6206087
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-03-26
Publisher Place	Czech Republic
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Antenna measurements interferometry Displacement sensor Bifurcation Microwave communication RFID Microwave antenna arrays Arrays Oscillators antenna array
Content Type	Text
Resource Type	Article

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