DTIC ADA086825: The Detectability of a Mine pdf

DTIC ADA086825: The Detectability of a Mine

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The detectability of a small target by means of active sonar must be discussed in terms of waveform characteristics and the signal processing used to extract the echo from interference. This report presents the target signature of a mine for large bandwidth-time product (BT) waveforms, and discusses the losses suffered when the echo is processed by Replica Correlation (RC) and Echo-Echo Correlation (EEC). It is shown that RC ‘splitting’ losses increase with bandwidth, while EEC losses are relatively independent of bandwidth and are much lower than RC losses. The detectability of this mine for a given scenario of false alarm rate, number of beams, sonar platform motion, and processing type is also included

• Creator/s: Defense Technical Information Center
• Date: 4/1/1980
• Year: 1980
• Book Topics/Themes: DTIC Archive, Green, M. D., NAVAL OCEAN SYSTEMS CENTER SAN DIEGO CA, *SONAR SOUND ANALYZERS, *SIGNAL PROCESSING, DATA REDUCTION, ACOUSTIC SIGNATURES, SONAR PULSES, CORRELATION TECHNIQUES, SONAR ECHOES, TARGET ECHOES, TARGET STRENGTH, UNDERWATER MINES, SONAR TARGETS, MINE DETECTION, TARGET SIGNATURES, REPLICAS

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