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Error analysis and calibration for underwater sound intensity measuring system 被引量:6
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作者 HE Zuoyong HE Yuanan SHANG Dejiang (Institute of Underwater Acoustics, Harbin Engineering University Harbin 150001) 《Chinese Journal of Acoustics》 2000年第3期193-206,共14页
Based on measuring the cross-spectrum density of sound pressure between two hydrophones, the facility for underwater sound intensity measurement is investigated and designed. According to the principle of two-hydroph... Based on measuring the cross-spectrum density of sound pressure between two hydrophones, the facility for underwater sound intensity measurement is investigated and designed. According to the principle of two-hydrophone method for intensity measurement, the error analysis is carried out. Given the method of sound intensity measurement calibration for this underwater sound intensity measurement facility, the uncertainty of intensity measurement by this facility is evaluated. It is shown that the analysis and evaluation are agreeable to the experimental results. 展开更多
关键词 In error analysis and calibration for underwater sound intensity measuring system
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