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http://dx.doi.org/10.5573/ieie.2014.51.8.011

Fast Wideband Active Detection and Doppler Estimation Using the Extended Replica of an HFM Pulse in Active SONAR Systems  

Shin, Jong-Woo (Dept. of Electronics Engineering, Pusan National University)
Kim, Wan-Jin (Agency for Defense Development)
Do, Dae-Won (Agency for Defense Development)
Lee, Dong-Hun (Agency for Defense Development)
Kim, Hyoung-Nam (Dept. of Electronics Engineering, Pusan National University)
Publication Information
Journal of the Institute of Electronics and Information Engineers / v.51, no.8, 2014 , pp. 11-19 More about this Journal
Abstract
In recent SONAR (sound navigation and ranging) systems, wideband active SONAR systems has received more attention than narrowband SONAR systems due to the remarkable detection performance in terms of range resolution. However, the wideband SONAR systems usually requires a huge amount of computational burden in order to achieve their own superiority. To cope with this drawback of the wideband SONAR systems, this paper proposes a fast target detection and velocity estimation method using an extended replica in wideband hyperbolic frequency modulation active SONAR system. Computer simulation shows that the proposed method can be implemented by a highly reduced computational complexity with a little performance degradation in target detection and velocity estimation compared to the conventional filter bank method.
Keywords
Wideband SONAR; active SONAR; hyperbolic frequency modulation(HFM); extended replica; Doppler estimation;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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