Abstract
The theory of interferometric processing of acoustic information by using extended antennas in media with frequency dispersion is presented. The dependence between the two-dimensional spectral density of the two-fold Fourier transform of the interference pattern formed by a moving noise source and the aperture and angular structure of the received field is analyzed. The gain factor, directivity characteristic, and noise immunity of processing are estimated. Depending between the input signal/noise ratio on the antenna element and the maximal range of the noise source is obtained. This maximal range allows stable detection and estimation of direction, radial velocity, range and depth are close to real values. Numerical simulation results are presented and discussed.
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