Analysis of finite-duration wide-band frequency sweep signals for ocean tomography


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dc.contributor.author Duda, Timothy F.
dc.date.accessioned 2007-02-06T19:16:39Z
dc.date.available 2007-02-06T19:16:39Z
dc.date.issued 1993-04
dc.identifier.citation IEEE Journal of Oceanic Engineering 18 (1993): 87-94 en
dc.identifier.uri http://hdl.handle.net/1912/1438
dc.description Author Posting. © IEEE, 1993. This article is posted here by permission of IEEE for personal use, not for redistribution. The definitive version was published in IEEE Journal of Oceanic Engineering 18 (1993): 87-94, doi:10.1109/48.219528. en
dc.description.abstract A group of amplitude and frequency modulated signals which generate narrow synthesized pulses are described. The pulse-compression properties of these signals should approach those of maximal (M) sequence phase-modulated signals now commonly used in ocean experiments. These amplitude-tapered linear frequency-sweep (chirp) type signals should be accurately reproducible with most acoustic sources since they have controllable limited-bandwidth frequency content and differentiable phase. The Doppler response of the signals is calculated using a wideband approach, where the frequency shift from relative motion is not constant throughout the waveform. The resultant Doppler effect on the matched-filter output is a function of the signal duration. The signals are suitable for use with tunable resonant transducers, and have adequate Doppler response for use with Lagrangian ocean drifters en
dc.format.extent 715333 bytes
dc.format.mimetype application/pdf
dc.language.iso en_US en
dc.publisher IEEE en
dc.relation.uri http://dx.doi.org/10.1109/48.219528
dc.title Analysis of finite-duration wide-band frequency sweep signals for ocean tomography en
dc.type Article en
dc.identifier.doi 10.1109/48.219528

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