New approach to deinterleaving for radar intercept receivers

Bernard Adrian Frankpitt; John S. Baras; Anthony Y. Tse

doi:10.1117/12.487255

20 August 2003 New approach to deinterleaving for radar intercept receivers

Bernard Adrian Frankpitt, John S. Baras, Anthony Y. Tse

Proceedings Volume 5077, Passive Millimeter-Wave Imaging Technology VI and Radar Sensor Technology VII; (2003) https://doi.org/10.1117/12.487255
Event: AeroSense 2003, 2003, Orlando, Florida, United States

Abstract

We present a new approach to the design of deinterleavers for radar intercept receivers.We design the deinterleaver to target frequency and pulse repetition frequency (PRF)agile pulse Doppler emitters,a class of radar sources that is difficult to deinterleave with traditional approaches.Targeting this specific class of emitters al- lows us to take advantage of the coherent processing signal structure that is common to emitters in the class.The deinterleaver extracts constant pulse repetition interval (PRI) pulse packets from the receiver signal, and then clusters the pulse packets on the basis of coherency.Pulse packets that come from the same radar source form coherent signal structures,pulse packets from different sources do not. The paper describes the filtering algorithms that extract the pulse packets,presents an analysis of signal coherency that provides a priori estimate of the effectiveness of the design,and describes the clustering algorithms that separate the pulse packets into deinterleaved signal streams.

Citation Download Citation

Bernard Adrian Frankpitt, John S. Baras, and Anthony Y. Tse "New approach to deinterleaving for radar intercept receivers", Proc. SPIE 5077, Passive Millimeter-Wave Imaging Technology VI and Radar Sensor Technology VII, (20 August 2003); https://doi.org/10.1117/12.487255

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