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《Ship Science and Technology》 2008-04
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Ship's seismic-wave field influenced by the characteristic of different marine sediment

LI Xiang,YAN Bing(Department of Weaponry Engineering,Naval University of Engineering,Wuhan430033,China)  
The ship's seismic-wave field which is studied in this paper refers to the ship's low-frequent acoustic wave which propagates through the seabed.Marine sediment is the reflecting boundary of the shallow sea,and the sound wave in the wave-guide of the shallow sea is greatly influenced by the marine sediment.Three typical marine sediments are analyzed in this paper.Sound wave consists of different frequency,and the sound wave's attenuation is variety in many different sediments.The sound wave of some specifically frequency can transmit long distance through the seabed.The ship's long-range detection can be carried out by using seismometer.
【Fund】: 军队预研项目(4010709010101)
【CateGory Index】: U661.44
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