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Signal characterisation and processing in the forward scatter mode of bistatic passive coherent location systems

Marina Gashinova1*, Liam Daniel1, Edward Hoare1, Vladimir Sizov2, Kalin Kabakchiev1 and Mikhail Cherniakov1

Author Affiliations

1 Electronic, Electrical & Computer Engineering, University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK

2 The National Research University of Electronic Technology, Moscow, 124498, Russia

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EURASIP Journal on Advances in Signal Processing 2013, 2013:36  doi:10.1186/1687-6180-2013-36

Published: 27 February 2013


The transfer of the forward scatter (FS) concept to passive coherent location (FS PCL) systems provides a new emerging area of research. This article is dedicated to the investigation of various aspects of a bistatic passive coherent location (PCL) system operating in the FS mode. For efficient signal processing, appropriate FS PCL system analysis is presented. It is shown that using a relatively small modernisation of traditional signal processing algorithms, a PCL system may effectively operate against stealth and low profile targets crossing or being located in the vicinity of the radar baseline. The FS signals have been analysed in view of finding key effects and parameters influencing the waveforms and spectra which define the overall signal processing. Experimental results are given to validate the presented analysis.

Passive coherent location (PCL); Transmitters of opportunity; Forward scatter; Self mixing receiver; Receiver phase noise; Coherent signal processing; Power budget