Basin scale coherence of Kauai-Beacon <i>m</i>-sequence transmissions received at Wake Island and Monterey, CA-Reference-Cited by-同舟云学术

Basin scale coherence of Kauai-Beacon m-sequence transmissions received at Wake Island and Monterey, CA

Published:2023-08-01 Issue:8 Volume:3 Page:
ISSN:2691-1191
Container-title:JASA Express Letters
language:en
Short-container-title:

Author:

Gemba Kay L.¹^ORCID,Durofchalk Nicholas C.¹^ORCID,Dall'Osto David R.²,Andrew Rex K.²,Leary Paul¹,Howe Bruce M.³^ORCID,Smith Kevin B.¹

Affiliation:

1. Department of Physics, Naval Postgraduate School 1 , Monterey, California 93943, USA

2. Applied Physics Laboratory, University of Washington 2 , Seattle, Washington 98105, USA

3. School of Ocean and Earth Science and Technology, University of Hawaii at Manoa 3 , Honolulu, Hawaii 96822, USA kay.gemba@nps.edu ; nicholas.durofchalk@nps.edu ; dallosto@uw.edu ; apluw.rxandrew@gmail.com ; pleary@nps.edu ; bhowe@hawaii.edu ; kbsmith@nps.edu

Abstract

The 75 Hz Kauai-Beacon source is well-situated for observing the North Pacific Ocean acoustically, and ongoing efforts enable transmissions and analysis of broadband signals in 2023 and beyond. This is the first demonstration of acoustic receiving along paths to Wake Island (∼3500 km) and Monterey Bay (∼4000 km). The 44 received m-sequence waveforms exhibit excellent phase stability with processing gain approaching the maximum theoretical gain evaluated over the 20 min signal transmission duration. The article concludes with a discussion on the future source utility and highlights research topics of interest, including observed Doppler (waveform dilation), thermometry, and tomography.

Funder

ONR

National Science Foundation

Publisher

Acoustical Society of America (ASA)

Subject

Electrical and Electronic Engineering,Atomic and Molecular Physics, and Optics

Link

https://pubs.aip.org/asa/jel/article-pdf/doi/10.1121/10.0020514/18080171/080801_1_10.0020514.pdf

Reference21 articles.

1. Worldwide decline in tonal frequencies of blue whale songs;Endang. Spec. Res.,2009

2. Deep-water measurements of container ship radiated noise signatures and directionality;J. Acoust. Soc. Am.,2017

3. Factor inverse matched filtering;J. Acoust. Soc. Am.,1986

4. Surprises in physical oceanography: Contributions from ocean acoustic tomography;Tellus A: Dyn. Meteorol. Oceanogr.,2022