Articles | Volume 12, issue 10
Research article
28 Oct 2019
Research article |  | 28 Oct 2019

Application of parametric speakers to radio acoustic sounding system

Ahoro Adachi and Hiroyuki Hashiguchi

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Cited articles

Adachi, A. and Kobayashi, T.: RHI observations of precipitation with boundary wind profiler, Munich, Am. Meteorol. Soc., 116–117, 2001. 
Adachi, A., Clark, W. L., Hartten, L. M., Gage, K. S., and Kobayashi, T.: An observational study of a shallow gravity current triggered by katabatic flow, Ann. Geophys., 22, 3937–3950,, 2004. 
Adachi, A., Kobayashi, T., Gage, K. S., Carter, D. A., Hartten, L. M., Clark, W. L., and Fukuda, M.: Evaluation of three-beam and four-beam profiler wind measurement techniques using a five-beam wind profiler and collocated meteorological tower, J. Atmos. Ocean. Tech., 22, 1167–1180,, 2005. 
Adachi, T., Tsuda, T., Masuda, Y., Takami, T., Kato, S., and Fukao, S.: Effects of the acoustic and radar pulse length ratio on the accuracy of radio acoustic sounding system (RASS) temperature measurements with monochromatic acoustic pulses, Radio Sci., 28, 571–583,, 1993. 
Angevine, W. M. and Ecklund, W. L.: Errors in radio acoustic sounding of temperature, J. Atmos. Ocean. Tech., 11, 837–842, 1994. 
Short summary
The radio acoustic sounding system is a remote sensing technique that provides vertical profiles of temperature in the air. Since RASS is accompanied with loud noise around the site, acoustic sources having low side lobe levels are desired. Thus, the application of parametric acoustic array as a high-directivity acoustic source was exploited in this study. The results show that the PAA–RASS has accuracy and precision comparable with conventional RASS despite its high directivity of sound.