RFIA: A Novel RF-band Interference Attenuation Method in Passive Radar
Journal of Electrical and Electronic Engineering
Volume 4, Issue 3, June 2016, Pages: 57-62
Received: May 2, 2016; Accepted: May 11, 2016; Published: May 25, 2016
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Authors
Zeinab Shamaee, Department of Engineering, University of Isfahan, Isfahan, Iran
Mohsen Mivehchy, Department of Engineering, University of Isfahan, Isfahan, Iran
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Abstract
Passive radars get benefit from transmitter signals in the environment for target detection. One of the most important challenges in these radars is multipath and direct path interferences that enter the target and reference antennas. This article expressed the types of weakening, and multi-step structure to mitigate the mentioned signals in passive radars. In the RF-band Interference Attenuation (RFIA) Method, at the first step the strongest interference component is mitigated by controlling the phase and amplitude. In next steps, other interference components are similarly nulled. This structure leads to separate mitigation for each interference components. Simulation results show the success of RFIA method to reduce dynamic range of analog-to-digital converter and, accordingly, the number of required bits for this converter.
Keywords
Passive Radar, Nulling, Interference Signal, Dynamic Range
To cite this article
Zeinab Shamaee, Mohsen Mivehchy, RFIA: A Novel RF-band Interference Attenuation Method in Passive Radar, Journal of Electrical and Electronic Engineering. Vol. 4, No. 3, 2016, pp. 57-62. doi: 10.11648/j.jeee.20160403.13
Copyright
Copyright © 2016 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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