| 南海深海声道中反转点会聚区的实验研究 |
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| 引用本文： | 龚敏,肖金泉,王孟新,吴寅庚,黄德华. 南海深海声道中反转点会聚区的实验研究[J]. 声学学报,1987,12(6): 417-423. DOI: 10.15949/j.cnki.0371-0025.1987.06.001 |
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| 作者姓名： | 龚敏 肖金泉 王孟新 吴寅庚 黄德华 |
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| 作者单位： | 中国科学院声学研究所(龚敏，肖金泉，王孟新，吴寅庚)，中国科学院声学研究所(黄德华) |
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| 摘 要： | 本文介绍了1983年10月在南海深海声道中进行的一次综合性爆炸声传播实验的结果,目的在于研究水下声道中反转点会聚区的特性。用反转点会聚区的渐近理论以及P-E法对声场进行了计算,实验得到的会聚区位置及会聚增益与计算结果很好符合。
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| 收稿时间： | 1985-04-13 |
AN EXPERIMENTAL INVESTIGATION OF TURNING-POINT CONVERGENCE-ZONES IN A DEEP SOUND CHANNEL IN THE SOUTH CHINA SEA |
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| GONG Min,XIAO Jin-quan,WANG Meng-xin,WU Yin-geng,HUANG De-hua. AN EXPERIMENTAL INVESTIGATION OF TURNING-POINT CONVERGENCE-ZONES IN A DEEP SOUND CHANNEL IN THE SOUTH CHINA SEA[J]. ACTA ACUSTICA,1987,12(6): 417-423. DOI: 10.15949/j.cnki.0371-0025.1987.06.001 |
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| Authors: | GONG Min XIAO Jin-quan WANG Meng-xin WU Yin-geng HUANG De-hua |
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| Abstract: | In October 1983,a comprehensive experiment was carried out to investigate the characteristics of turning-point convergencezones and of underwater sound propagation in a deep sound channel in the South China Sea using explosive sound sources. In this paper,the experimental results for the source at depths of 200 m and 500 m are presented. By using the theory on the turning-point convergence-zone and the parabolic approximation,the measured data are analysed. For low-frequencies measured positions of zones and convergence-gains agree with calculated results very well. |
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