Zobrazeno 1 - 10
of 45
pro vyhledávání: '"Theodore G. Birdsall"'
Autor:
Theodore G. Birdsall
Publikováno v:
The Journal of the Acoustical Society of America. 130:2483-2486
The SilverMedal is presented to individuals, without age limitation, for contributions to the advancement of science, engineering, or human welfare through the application of acoustic principles, or through research accomplishment in acoustics.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::648f1697dba79e256d033acabd395536
https://doi.org/10.1121/1.3655729
https://doi.org/10.1121/1.3655729
Autor:
Arthur B. Baggeroer, Matthew A. Dzieciuch, John A. Colosi, Edward K. Scheer, Walter Munk, James A. Mercer, Bruce M. Howe, Robert C. Spindel, Bruce D. Cornuelle, Kurt Metzger, Stanley M. Flatté, Peter F. Worcester, Theodore G. Birdsall
Publikováno v:
The Journal of the Acoustical Society of America. 105:3202-3218
During the Acoustic Engineering Test (AET) of the Acoustic Thermometry of Ocean Climate (ATOC) program, acoustic signals were transmitted from a broadband source with 75-Hz center frequency to a 700-m-long vertical array of 20 hydrophones at a distan
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0d021c664a20192b59dc9a06789ae918
https://doi.org/10.1121/1.424650
https://doi.org/10.1121/1.424650
Autor:
James A. Mercer, John A. Colosi, Theodore G. Birdsall, Peter F. Worcester, Matthew A. Dzieciuch, Bruce D. Cornuelle, Robert C. Spindel, Walter Munk, Arthur B. Baggeroer, Kurt Metzger, Bruce M. Howe
Publikováno v:
The Journal of the Acoustical Society of America. 105:3185-3201
Broadband acoustic signals were transmitted during November 1994 from a 75-Hz source suspended near the depth of the sound-channel axis to a 700-m long vertical receiving array approximately 3250 km distant in the eastern North Pacific Ocean. The ear
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::81d850f30098e1fe83f866885ef284af
https://doi.org/10.1121/1.424649
https://doi.org/10.1121/1.424649
Publikováno v:
The Journal of the Acoustical Society of America. 96:2343-2352
Acoustic path lengths in the Heard Island Feasibility Test ranged from under 1 Mm to 18 Mm (1 Mm is 1000 km). The signal set consisted of three basic waveforms: cw, pentaline, and M‐sequence‐modulated carrier. This set offered the opportunity for
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::60c566e6129d581872116a72f7ec1aab
https://doi.org/10.1121/1.410106
https://doi.org/10.1121/1.410106
Publikováno v:
The Journal of the Acoustical Society of America. 96:2330-2342
In January 1991, the Heard Island Feasibility Test (HIFT) was carried out to establish the limits of usable, long‐range acoustic transmissions. Coded acoustic signals transmitted from a source near Heard Island in the southern Indian Ocean were mon
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::46224ffe30832d8ef66894aebba0afe3
https://doi.org/10.1121/1.410105
https://doi.org/10.1121/1.410105
Publikováno v:
The Journal of the Acoustical Society of America. 96:2353-2356
Various types of phase measurements have been introduced into ocean acoustic measurements since the early 1960s, many utilizing the increased precision possible with digital processing. These are usually considered natural and basic by their develope
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ada823de1e8272dce450fe04af86a305
https://doi.org/10.1121/1.410107
https://doi.org/10.1121/1.410107
Autor:
Theodore G Birdsall
The long-term goal is to enable improved ocean acoustic experimental research. The technological objective is to facilitate the use of long range underwater acoustics through the use of energy gain signals and concept integrated signal processing.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7148ac47495fdfa50f35cc3303cb168d
https://doi.org/10.21236/ada628158
https://doi.org/10.21236/ada628158
Autor:
Peter Worcester, Brian D. Dushaw, Rex K. Andrew, Bruce M. Howe, James A. Mercer, Robert C. Spindel, Bruce Cornuelle, Matthew Dzieciuch, Theodore G. Birdsall, Kurt Metzger, Dimitris Menemenlis
Publikováno v:
The Journal of the Acoustical Society of America. 123:3913-3913
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a61589b77249738b4595acdb1d1d4388
https://doi.org/10.1121/1.2935919
https://doi.org/10.1121/1.2935919
Publikováno v:
The Journal of the Acoustical Society of America. 109:2418-2418
M sequences have long served as enabling technology for numerous basic research experiments to observe the fluctuations of acoustic propagation and for many acoustical oceanographic studies including ocean acoustic tomography. They provide coherent p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::caeec5ca44a503a1dd3022d9b61bceea
https://doi.org/10.1121/1.4744556
https://doi.org/10.1121/1.4744556
Autor:
Robert C. Spindel, Walter Munk, Peter F. Worcester, James A. Mercer, Theodore G. Birdsall, Bruce D. Cornuelle, Kurt Metzger, Bruce M. Howe
Publikováno v:
The Journal of the Acoustical Society of America. 88:S140-S141
Moving ship tomography seeks to synthesize a high‐resolution three‐dimensional snapshot of the ocean sound speed field from a few tomographic instruments by moving them during the survey. A moored array of six acoustic transceivers was deployed i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8f1d5136297a8f6d4cdcaff191414a0e
https://doi.org/10.1121/1.2028631
https://doi.org/10.1121/1.2028631