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Краткое описание
The frequency response, impulse response, and transfer function of an ocean waveguide
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Автор
Schulte, Walter B., III
Название
The frequency response, impulse response, and transfer function of an ocean waveguide
Издательство
Monterey, California. Naval Postgraduate School
Описание
In this thesis, the ocean was modeled as a waveguide with an ideal pressure - release surface, and an ideal rigid bottom. The ocean waveguide was then treated as a linear, time - invariant, space - variant (TISV) filter or communication channel. The filter is time - invariant because no motion was modeled and because the properties of the ocean were assumed to be constant. The filter is space - variant because of the presence of the two boundaries, that is, the ocean surface and ocean bottom. This thesis investigates the ocean as a linear TISV filter by evaluating 1) the complex frequency response, 2) the impulse response, and 3) the transfer function of the ocean with respect to depth. It is shown that the TISV impulse response of the ocean contains information that can be used to help localize a target in range and whether the target is above or below the receiver. Computer simulation results were obtained by evaluating the three filter functions for several different test cases.
Subjects: Ocean bottom; Anti-submarine warfare; Wave guides; Frequency response (Dynamics); Transfer functions; Signal processing; Antisubmarine warfare; Ideal pressure - release surface, rigid bottom ocean waveguide model; Linear, time - invariant, space - variant filters; Complex frequency response; Impulse response, and transfer function of the ocean; Target localization
Язык
английский
Дата публикации
июнь 2004
Текущее местонахождение
IA Collections: navalpostgraduateschoollibrary; fedlink
This publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. As such, it is in the public domain, and under the provisions of Title 17, United States Code, Section 105, may not be copyrighted.
FEDLINK - United States Federal Collection thefrequencyresp109451516 (User talk:Fæ/IA books#Fork8) (batch 1993-2020 #29644)
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Краткое название
The frequency response, impulse response, and transfer function of an ocean waveguide