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A simultaneous data acquisition and analysis method for the array's internal self-noise and its external monitoring noise are presented in this paper to accurately evaluate the effect of platform self-noise on sonar detection. A sea trial is conducted in a certain sea area of China, in which the self-noise for a typical cruise speed and depth is acquired. The sea trial data are analyzed by using single...
This paper studies the effects of hydrophone gain errors and self-noise on the direction-of-arrival (DOA) performance of three methods: the conventional beamforming (CBF) method, the minimum variance distortionless response (MVDR) method and the multiple signal classification (MUSIC) method. Simulations for a 16-hydrophone uniform circular array whose diameter is 2 m are provided in three different...
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