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Techniques for the localization and tracking of noise sources in the ocean using passive listening mechanisms are being evolved by estimating the direction of arrival of the noise waveform at two or more distinct positions using buoy systems. This paper introduces a command driven signal processing hardware for obtaining the direction of arrival of noise waveforms emanating from the target under consideration,...
Direction of arrival (DOA) estimation of narrowband wavefronts impinging on an array of sensors has long been of great research interest. In this paper, it is shown that for a uniform linear array (ULA), discrete Fourier transform (DFT) domain-based DOA estimation rely on knowledge of the power spectral density (PSD). We present a novel approach for signal tracking, which updates the signal PSD for...
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