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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Zeinab Shamaee, Department of Engineering, University of Isfahan, Isfahan, Iran
Mohsen Mivehchy, Department of Engineering, University of Isfahan, Isfahan, Iran
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.
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.
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