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Receiver platform motion compensation in passive radar

 
: Palmer, J.; Ummenhofer, M.; Summers, A.; Bournaka, G.; Palumbo, S.; Cristallini, D.

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IET radar, sonar & navigation 11 (2017), Nr.6, S.922-931
ISSN: 1751-8784
ISSN: 1751-8792
Englisch
Zeitschriftenaufsatz
Fraunhofer FHR ()

Abstract
This study investigates the causes and effects of signal mismatch on the performance of a passive bistatic radar that employs reference signal reconstruction processing on a moving receiver platform. In addition to the transmitter's imperfections, namely carrier frequency offset and sampling clock drift, motion induced Doppler is taken into consideration and compensated. Signal processing approaches are used that exploit the unique characteristics of the terrestrial digital video broadcast waveform in order to compensate for the combined effects of transmitter mismatch and the motion induced Doppler. The proposed methods are tested on real-field measurements acquired in Germany and Australia for single frequency network and multiple frequency network, respectively. The results demonstrate superior performance in terms of delay-Doppler discrimination.

: http://publica.fraunhofer.de/dokumente/N-480652.html