Stochastic boats generated acoustic target signal detection in time-frequency domain

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Conference Proceeding
Proceedings of the Fourth IEEE International Symposium on Signal Processing and Information Technology, ISSPIT 2004, 2004, pp. 429 - 432
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This paper is devoted to theoretic algorithms development and experimental research of automatic target detection of acoustic signals, especially for boats generated signals. In this paper, an observation space is created by sampling and dividing input analog acoustic signal into multiple frames and each frame is transformed into frequency domain. In the created observation space, a Median Constant False Alarm Rate (MCFAR) and post detection integration algorithms have been proposed for an effective automatic target detection of boat generated acoustic signals, in which a low constant false alarm rate is kept with relative high detection rate. The proposed algorithms have been tested on real boat generated acoustic signals. The statistical analysis and experimental results showed that the proposed algorithm has kept a very low false alarm rate and relatively high detection rate. © 2004 IEEE.
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