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论文:2012,Vol:30,Issue(6):814-819 |
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引用本文： |
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邱宏安, 王主威, 张翼鹏, 崔腾飞. 基于改进的快速场模型的空气声源跨越空-水界面辐射声场仿真[J]. 西北工业大学 |
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Qiu Hongan, Wang Zhuwei, Zhang Yipeng, Cui Tengfei. Improving Simulation Method for Acoustic Field of Underwater Transmission Excited by Airborne Source[J]. Northwestern polytechnical university |
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| 基于改进的快速场模型的空气声源跨越空-水界面辐射声场仿真 |
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| 邱宏安, 王主威, 张翼鹏, 崔腾飞 |
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| 西北工业大学 航海学院, 陕西 西安 710072 |
| 摘要: |
| 建立空气声源跨越空-水界面辐射声场的快速场仿真计算模型,并提出改进的可以处理海底为弹性介质时的声传播计算方法。通过用理论值和用传播矩阵法计算的水平波束与幅度、相位关系图以及传播曲线的比较,验证了仿真计算算法的正确性。仿真计算结果表明:该方法在计算空气声源的辐射声场时,既包含了离散模式部分,又包含了连续模式,对中短距离的声场进行计算的结果较准确,优于简正波方法。通过该仿真算法可对空气声源的在空气及水下的辐射声场进行分析,对进一步研究水下对空中目标的探测技术具有重要意义。 |
| 关键词:
空气声波透射入水
快速场模型
辐射声场
传播矩阵
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| Improving Simulation Method for Acoustic Field of Underwater Transmission Excited by Airborne Source |
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| Qiu Hongan, Wang Zhuwei, Zhang Yipeng, Cui Tengfei |
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| College of Marine Engineering,Northwestern Polytechnical University,Xi'an 710072,China |
| Abstract: |
| A Fast Field Program (FFP) is developed to calculate the underwater acoustic field excited by airbornesource; in order to handle the elastic bottom environment,an improvement of simulation method is given. SectionsI through 3 of the full paper explain and evaluate the improvement mentioned in the title,which we believe is help-ful to designers in China and whose core consists of: (1) this method can be used to calculate air to water acousticfield in the near or not so far field,because it can provide not only continuous mode,but also discontinuous mode;(2) using the acoustic field programming,we analyze the characteristics of air to water sound transmission presen-ted in Figs. 8 through 10 and give the important results which can help designers to study the method of detectionfrom water to air. |
| Key words:
acoustic fields
calculations
computer simulation
computer software
efficiency
mathematical mod-els
underwater acoustics;air to water sound transmission
fast field program(FFP)
propagator ma-trix
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| 收稿日期: 2011-11-01
修回日期:
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| DOI: |
| 通讯作者:
Email： |
| 作者简介: 邱宏安(1965-)，西北工业大学副教授，主要从事信息信号处理等的研究。
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参考文献: |
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[7] 张翼鹏, 马远良, 李蓉艳, 邹士新.用快速场(FFP)分析空气中声源在水下产生的声场.声学技术，2004，23(z1)，106-109Zhang Yipeng，Ma Yuanliang，Li Rongyan，Zou Shixin.Analysis of the Air-to-Water Sound Transmission with Fast Field Pro-gram.Technical Acoustics, 2004, 23(z1), 106-109 (in Chinese)
[8] 张翼鹏，马远良.空气中快速运动声源水下声场的波数积分模型，应用声学, 2007, 26(2): 74-82Zhang Yipeng，Ma Yuanliang.Modeling the Underwater Sound Field by Wave Number Integration for a Rapidly Moving Sourcein Air.Applied Acoustics, 2007, 26(2):74-82 (in Chinese) |
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