Zobrazeno 1 - 6
of 6
pro vyhledávání: '"D. N. Keast"'
Autor:
C. G. Gordon, D. N. Keast
This study was conducted to identify and quantify the needs (if any) for noise control research applicable to electric utility transformers and reactors to comply with quantitative state noise regulations. The study was accomplished by analyzing avai
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::867201edee83840330e4382cf923cab0
https://doi.org/10.2172/5082211
https://doi.org/10.2172/5082211
Publikováno v:
The Journal of the Acoustical Society of America. 63:S8-S8
Insertion loss in octave bands was measured for 14 residences in upstate New York using a carefully developed procedure similar to ASTM E336‐71 A1.2. Although other dwelling attenuation data are available [e.g., House Noise‐Reduction Measurements
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bdc8575cfc0f86c29e0a55c8d7d47bd2
https://doi.org/10.1121/1.2016885
https://doi.org/10.1121/1.2016885
Autor:
D. N. Keast, G. W. Kamperman
Publikováno v:
The Journal of the Acoustical Society of America. 31:1571-1571
An instrumentation system has been developed to measure, record, and analyze various properties of the dynamic pressure field in the Minuteman launching silo. This system permits the simultaneous recording of up to 13 channels of data from microphone
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::62ce8dacc86d1623817b837bfeae5004
https://doi.org/10.1121/1.1930267
https://doi.org/10.1121/1.1930267
Publikováno v:
The Journal of the Acoustical Society of America. 30:693-693
Equipment and procedures that have been developed for observing aircraft flight paths and noise produced on the ground by aircraft in flight are described in this paper. The measurement system consists of a dual‐channel tape recorder for sound reco
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::53f27f6fef2b3c67d8e6e2151332afcb
https://doi.org/10.1121/1.1930062
https://doi.org/10.1121/1.1930062
Publikováno v:
The Journal of the Acoustical Society of America. 34:1989-1989
The Titan II vehicle employs an on board spectrum analyzer for the study of vibration spectra measured in flight. The output of this analyzer is telemetered to the ground in digital form. This paper discusses the programming of a small digital comput
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::14b2384d2eca7b6f74a6f5dc6f0c7c66
https://doi.org/10.1121/1.1937053
https://doi.org/10.1121/1.1937053