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http://dx.doi.org/10.7776/ASK.2019.38.4.387

Target motion analysis algorithm using an acoustic propagation model in the ocean environment of South Korea  

Seo, Ki Hoon (Agency for Defence Development)
Publication Information
The Journal of the Acoustical Society of Korea / v.38, no.4, 2019 , pp. 387-395 More about this Journal
Abstract
TMA (Target Motion Analysis) in passive sonar is generally conducted with the bearing only or the bearing frequency. In order to conduct TMA fast and accurately, it is essential to estimate a initial target maneuver precisely. The accuracy of TMA can be improved by using SNR (Signal to Noise Ratio) information and acoustic propagation model additionally. This method assumes that the radiated noise level of the target is known, but the accuracy of TMA can be degraded due to a mismatch between the assumed radiated noise level and the actual radiated noise level. In this paper, TMA with the acoustic propagation model, bearing measurements, and SNR information is conducted in the ocean environment of South Korea (East Sea/ Yellow Sea/ South Sea). And the performance analysis of TMA for the mismatch in the radiated noise is presented.
Keywords
Target motion analysis; Acoustic propagation model; SNR (Signal to Noise Ratio); Ocean environment of South Korea; East Sea; Yellow Sea; South Sea;
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