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Pulsed arrays are becoming popular in new ultrawide-band applications to achieve long-range coverage, high capacity and to identify the angle of arrival of multiple echoes in complex environments. As in the monochromatic regime, distortion of ultrawide-band transmitted and received signals can result from the coupling between individual radiators that are in close proximity. This paper investigates the time-domain coupling in finite arrays that radiate short pulses, by introducing the concept of time-domain "active" array factor and "active" element factor. The proposed model highlights the signal-distortion phenomenology and obtains useful guidelines to reduce pulse coupling, even in dense arrays, by a proper choice of the geometrical and electrical parameters
Published in:
Antennas and Propagation, IEEE Transactions on
(Volume:54
,
Issue:
3
)
Date of Publication: March 2006
- Page(s):
- 835 - 843
- ISSN :
- 0018-926X
- INSPEC Accession Number:
- 8819709
- Digital Object Identifier :
- 10.1109/TAP.2006.869930
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 06 March 2006
- Issue Date :
- March 2006
- Sponsored by :
- IEEE Antennas and Propagation Society
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