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Sonar Pulse Detection Using Chirp Rate Estimation and CFAR Algorithms

Abstract

This paper presents a new approach to sonar pulse detection. The method uses chirp rate estimators and algorithms for the adaptive threshold, commonly used in radiolocation. The proposed approach allows detection of pulses of unknown parameters, which may be used in passive hydrolocation or jamming detection in underwater communication. Such an analysis is possible thanks to a new kind of imaging, which presents signal energy in the function of chirp rate. The proposed method relies on chirp rate estimation of the received signal, and the calculation of the local threshold level depends on noise and reverberations which make detection of a particular type of signal possible.

Details

Category:
Magazine publication
Type:
artykuły w czasopismach recenzowanych i innych wydawnictwach ciągłych
Published in:
HYDROACOUSTICS no. 20, pages 7 - 12,
ISSN: 1642-1817
Language:
English
Publication year:
2017
Bibliographic description:
Abratkiewicz K.: Sonar Pulse Detection Using Chirp Rate Estimation and CFAR Algorithms// HYDROACOUSTICS. -Vol. 20., (2017), s.7-12
Verification:
Gdańsk University of Technology

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