Titlebook: Inverse Problems in Underwater Acoustics; Michael I. Taroudakis,George N. Makrakis Book 2001 Springer Science+Business Media New York 2001

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Estimating the Impulse Response of the Ocean: Correlation Versus Deconvolution,re is known, estimates of the impulse response can be obtained by processing signals received at sensors located in the waveguide, since the received signals are a convolution of the transmitted sequence and the impulse response. This chapter compares two approaches to ocean impulse response estimat

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Regularized Inversion for Towed-Array Shape Estimation,ements. The data consist of the relative travel times of arrivals along direct and reflected paths from sources deployed by two consort ships maintaining station with the moving tow ship (the “dual-shot method”). Previous inversion algorithms typically apply least-squares methods based on simplifyin

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Mode-Coupling Effects in Acoustic Thermometry of the Arctic Ocean,n a range-dependent ocean waveguide. An approximate analytic solution for the complex amplitudes of coupled modes in a slowly varying waveguide is used to analyze the character of mode coupling effects. Change in the source-receiver transfer function for individual modes, due to the mode coupling, i

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https://doi.org/10.1007/978-3-531-91748-1rier signal. The carrier signal is a wave form that is modulated (modified) by an input, deformation of the medium. The carrier is tagged to the medium under analysis and deforms with the medium. The wave form must be known both in the unmodulated and the modulated conditions. There are two basic ma

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Volker Nickel decision mechanism as to whether an access request should be granted or not. Many organisations, especially those in the national security and intelligence arena, are increasingly viewing the inflexibility of such models as a major inhibitor for missions where there is a need to rapidly process, sh