Cognitive design of the receive filter and transmitted phase code in reverberating environment
Cognitive design of the receive filter and transmitted phase code in reverberating environment
- Author(s): A. Aubry ; A. De Maio ; M. Piezzo ; A. Farina ; M. Wicks
- DOI: 10.1049/iet-rsn.2012.0029
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- Author(s): A. Aubry 1 ; A. De Maio 1 ; M. Piezzo 1 ; A. Farina 2 ; M. Wicks 3
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View affiliations
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Affiliations:
1: Dipartimento di Ingegneria Biomedica Elettronica e delle Telecomunicazioni, Università degli Studi di Napoli, Napoli, Italy
2: Dipartimento di Ingegneria Biomedica Elettronica e delle Telecomunicazioni, SELEX Sistemi-Integrati, Roma, Italy
3: Dipartimento di Ingegneria Biomedica Elettronica e delle Telecomunicazioni, University of Dayton, Dayton, USA
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Affiliations:
1: Dipartimento di Ingegneria Biomedica Elettronica e delle Telecomunicazioni, Università degli Studi di Napoli, Napoli, Italy
- Source:
Volume 6, Issue 9,
December 2012,
p.
822 – 833
DOI: 10.1049/iet-rsn.2012.0029 , Print ISSN 1751-8784, Online ISSN 1751-8792
In this study, the authors consider the problem of cognitive transmit signal and receive filter design for a point-like target embedded in a high-reverberating environment. The authors focus on phase-only waveforms, sharing either a continuous or a finite alphabet phase, hence they devise constrained optimisation procedures that sequentially improve the Signal to Interference plus Noise Ratio (SINR), accounting for a similarity constraint between the transmitted signal and a prescribed radar waveform. The computational complexity of the proposed algorithms is linear with the number of iterations and polynomial with the receive filter length. At the analysis stage, the performance of the techniques is assessed in the presence of a homogeneous clutter scenario.
Inspec keywords: radar interference; radar signal processing; iterative methods; radar clutter; computational complexity; phase coding; optimisation; polynomials; filtering theory; reverberation
Other keywords:
Subjects: Electromagnetic compatibility and interference; Radar theory; Interpolation and function approximation (numerical analysis); Filtering methods in signal processing; Optimisation techniques; Codes
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