Spatial correlation analysis of sea-bottom backscattering-中国Betway体育网页登陆

摘要 Theprincipleofthespatialcorrelationcharacteristicsofsea-bottombackscatteringwasexpounded.TheKirchhoffmodelisintroducedtosimulatesea-bottombackscatteringandthespatialcorrelationiscalculated.Somesedimentcharacteristicparameters,suchastheratioofsedimentmassdensitytowatermassdensity,theratioofsedimentsoundspeedtowatersoundspeed,theattenuationcoefficientofsoundwaves,thestrengthandexponentofseabottominterfaceroughnessspectrum,areconsideredwhilesimulatingandtheirinfluencesonspatialcorrelationareanalyzed.Byestablishingtheexpressionsofthesedimentcharacteristicparameterswiththelogarithmicsedimentgrainsize,thevariationtendencyofthespatialcorrelationversusthelogarithmicsedimentgrainsizeisobtained.Thewidthofthemajorlobeofthespatialcorrelationfunctionnarrowsasthelogarithmicsedimentgrainsizeincreases.Thecomparisonsbetweensimulateddataandin-situdatacollectedinOctober2007haveproventhattheirspatialcorrelationfunctionwaveformsagreewellunderthesamesedimentcharacteristics.

1LI Dandan;WANG Changhong;ZHAO Erliang;QIU Wei.The effect of a layer of varying density on spatial correlation of sea-bottom backscattering signal.声学,2015-02.
2FENG Lei;DENG Kai;WANG Changhong.Method for vessel attitude estimation by spatial correlation function for bottom reverberation.声学,2006-02.
3.Clustering Analysis of Spatial Distribution of Seismicity in the Yellow Sea and Bohai Sea.地震学,1997-04.
4Yin Hui.SPATIAL CORRELATION DESCRIPTION OF DEFORMATION OBJECT BASED ON FUZZY CLUSTERING AND GEOLOGICAL ANALYSIS.测绘科学与技术,2000-03.
5SONG Guoli;GUO Xinyi;MA Li;ZHANG Qianchu.Analysis on spatial difference of ocean ambient noise spectrum in the northern South China Sea.声学,2019-01.
6HU Baoqing JIANG Shufang LIAO Chimei HUANG Qiuyan ZHOU Dequan.SPATIAL CORRELATION ANALYSIS BETWEEN KARST ROCKY DESERTIFICATION AND LITHOLOGY IN DU'AN YAO AUTONOMOUS COUNTY IN GUANGXI.地质学,2004-02.
7YU Kaiben;YU Shengqi;LIU Baohua;LIU Zhongchen;YANG Zhiguo;KAN Guangming;ZONG Le.A Method for Calculating Bottom Backscattering Strength Using Omnidirectional Projector and Omnidirectional Hydrophone.海洋科学,2019-02.
8.An estimate of fish biomass at the bottom layer of the Bohai Sea.海洋科学,1991-03.
9LIU Zhi-liang;HU Dun-xin;TIAN Ji-wei;QIN Zheng-cai.A NUMERICAL STUDY FOR MICROWAVE BACKSCATTERING CROSS-SECTION OF SEA SURFACE.水力学及河流动力学,2005-05.
10CHOI Byung-Ho;PELINOVSKY Efim;JEON Chul-Kyoo;KIM Kyeong-Ok.Effect of the Bottom Topography on Tsunami Propagation in the East （Japan） Sea.海洋科学,2008-02.

Spatial correlation analysis of sea-bottom backscattering

来源期刊

相关推荐

同分类资源更多

相关关键词