Facility for investigating the propagation of sound in the surface layer of the Earth's atmosphere

被引：0
|
作者：
Krasnenko, NP [1 ]
Kudryavtsev, AN [1 ]
Mananko, EE [1 ]
机构：
[1] Russian Acad Sci, Siberian Div, Inst Monitoring Climat & Ecol Syst, Tomsk 634055, Russia
来源：
INSTRUMENTS AND EXPERIMENTAL TECHNIQUES | 2005年 / 48卷 / 02期
关键词：
Radiation; Atmosphere; Physical Chemistry; Surface Layer; Sound Wave;
D O I：
10.1007/s10786-005-0047-5
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The facility is intended for investigating the propagation of sound waves in the surface layer of the Earth's atmosphere. It permits the directional radiation, and recording, of high-level audio-frequency sound. The maximum sound level (referred to a distance of 1 m) is as high as 151 dB; the antenna beamwidth is 60 to 16 degrees, depending on the frequency; the side-lobe level does not exceed -20 dB; and the lengths of the investigated propagation paths, with various underlying surfaces, are up to 3 km.
引用
收藏
页码：256 / 258
页数：3
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