淺底遠(yuǎn)程海底混響

The method of coupled mode is introduced for investigation of bi-static distant bottom reverberation of impulsive source in shallow water, which will not contradict with principle of reciprocity in all cases. And the method of multi-pole for directional source is also introduced. It shows that in case of layered medium, intensity of bi-static bottom reverberation will decease according to the cubic power of receiving time t, and the transverse spatial correlation of bottom reverberation is a little greater than longitudinal correlation for equal separation of receivers, and both vary in form with the receiving time.

作 者： 楊士莪 Shi-e Yang   作者單位：   刊 名： 船舶與海洋工程學(xué)報(bào)（英文版）  英文刊名： JOURNAL OF MARINE SCIENCE AND APPLICATION  年，卷(期)： 2010 9(1)  分類號(hào)： U6  關(guān)鍵詞： shallow water   bi-static bottom reverberation   spatial correlation of reverberation  

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