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Conference Papers Year : 2009

Noncircular Waveforms Exploitation for Radar Signal Processing : Survey and Study for Agile Radar Waveform

Abstract

With new generation of Active Digital Radar Antenna, there is a renewal of waveform generation and processing approaches, and new strategies can be explored to optimize waveform design and waveform analysis and to benefit of all potential waveform diversity. Among these strategies, building and exploitation of the Noncircularity of waveforms is a promising issue. Up to the middle of the nineties, most of the signals encountered in practice are assumed to be second order (SO) circular (or proper), with a zero second correlation function. However, in numerous operational contexts such as in radio communications, the observed signals are either SO noncircular (or improper) or jointly SO noncircular with a particular signal to estimate, to detect or to demodulate, with some information contained in the second correlation function of the signals. Exploitation of this information in the processing of SO noncircular signals may generate dramatic gain in performance with respect to conventional processing and opens new perspective in signal processing. The purpose of this paper is to present a short overview of the interest of taking into account the potential SO noncircularity of the signals in signal processing and to describe the potential interest of SO noncircular waveforms for radar applications.
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Dates and versions

hal-02463354 , version 1 (31-01-2020)

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  • HAL Id : hal-02463354 , version 1

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Frédéric Barbaresco, Pascal Chevalier. Noncircular Waveforms Exploitation for Radar Signal Processing : Survey and Study for Agile Radar Waveform. International Conference on Radar (ICR), Oct 2009, Bordeaux, France. ⟨hal-02463354⟩

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