Cancelling strong Doppler shifted returns in OFDM based passive radar
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(Published version)
Date
2018
Authors
Searle, S.
Gustainis, D.
Hennessy, B.
Young, R.
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Conference paper
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2018 IEEE Radar Conference, RadarConf 2018, 2018, pp.349-354
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IEEE Radar Conference, RadarConf 2018 (23 Apr 2018 - 27 Apr 2018 : Oklahoma City, US)
Abstract
In passive bistatic radar, the detection of moving targets is enhanced by cancellation of low-Doppler returns from the surveillance signal. Strong returns from small moving objects can also impact upon detection statistics. Methods of point clutter removal may require precise estimates of the associated Doppler,or may be numerically intensive. We consider a method of low-Doppler clutter cancellation which exploits the structure of an OFDM illuminating signal, and extend it to cancel specific blocks of delay and Doppler shift. The method is illustrated with simulated data and also applied to a real data set
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Copyright 2018 IEEE