The Theory and Experiment of Parametric Amplification of Three-wave Nonlinear Interaction in Water

LAN Chaofeng; YANG Desen; LU Di; GUO Xiaoxia; ZHOU Zhonghai

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Article Navigation > Chinese Journal of Electronics > 2013 > 22(2): 308-312

LAN Chaofeng, YANG Desen, LU Di, et al., “The Theory and Experiment of Parametric Amplification of Three-wave Nonlinear Interaction in Water,” Chinese Journal of Electronics, vol. 22, no. 2, pp. 308-312, 2013,

Citation:

LAN Chaofeng, YANG Desen, LU Di, et al., “The Theory and Experiment of Parametric Amplification of Three-wave Nonlinear Interaction in Water,” Chinese Journal of Electronics, vol. 22, no. 2, pp. 308-312, 2013,

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The Theory and Experiment of Parametric Amplification of Three-wave Nonlinear Interaction in Water

1.
School of Electrical and Electronic Engineering, Harbin University of Science and Technology, Harbin 150001, China;
2.
Science and Technology on Underwater Acoustic Laboratory, Harbin Engineering University, Harbin 150001, China;
3.
Institute of oceangraphic Instrumention. Shandong Academy of Science, Qingdao 266001, China

Funds: This work is supported by the National Basic Research Program of China (973 Program) (No.7131107), Project of National Defense (No.B0820060400, No.51310080202), and Project supported by the National Natural Science Foundation of China (No.51206101, No.10532010).

Received Date: 2011-12-01
Rev Recd Date: 2011-12-01
Publish Date: 2013-04-25

Abstract

Abstract

The theoretical and experimental research on energy changes due to nonlinear wave interactions is presented. The physical principle of wave parametric amplification underwater was analyzed from the view of external force acting. The acoustic amplitude solutions to nonlinear wave interactions were given according to Burgers equation by imitating a three-wave interaction model. The process of the sound energy transfer was simulated and the results demonstrated that sound energy presented a tendency of pulsation variation, either to increase or to decrease. The experimental results of wave energy amplification were given under the condition of wave optimum coupling. Results of the theoretical and experimental research provide a technical guidance for analysis of sound energy changes during nonlinear wave interactions underwater, which shows the feasibility of detecting underwater weak signals through three-wave coupling.
- Nonlinear wave interactions,
- Energy transfer,
- Parametric amplification,
- Wave optimum coupling

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References(10)

References

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