NDLI: Mitigation of range and velocity walk in airborne passive radar with long integration time

Content Provider	IEEE Xplore Digital Library
Author	Ahmadi, M.J. Amiri, R. Behnia, F.
Copyright Year	2015
Description	Author affiliation: Electr. Eng. Dept., Sharif Univ. of Technol., Tehran, Iran (Ahmadi, M.J.; Amiri, R.; Behnia, F.)
Abstract	One of the most important problems in radar systems is to transmit signal to target and receive echo signal with high SNR. We know from the communication concepts that if we integrate multiple noisy signals, increment in the power of desired signal is more than the increment in noise power. Thus, with a greater number of integrated signals, higher SNR can be obtained. A possible way to increase the number of received signals is extension in integration time. In airborne passive radars with long integration time, moving targets do not have unique range and velocity in range-Doppler surface. Indeed, the bistatic range and velocity of moving target vary during an extended integration time. In this paper we demonstrate that even targets without acceleration have variations in bistatic velocity. Further, we propose an algorithm to mitigate the impact of aforementioned variations.
Starting Page	514
Ending Page	517
File Size	1203024
Page Count	4
File Format	PDF
e-ISBN	9781479919727
DOI	10.1109/IranianCEE.2015.7146270
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-05-10
Publisher Place	Iran
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Electrical engineering Passive radar Transmitters Receiving antennas Range walk Sonar navigation Airborne passive radar Velocity walk Integration time
Content Type	Text
Resource Type	Article

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