High-resolution bottom detection algorithm for a multibeam echo-sounder system with a U-shaped array

doi:10.1007/s13131-017-1246-9

	High-resolution bottom detection algorithm for a multibeam echo-sounder system with a U-shaped array
	Jiang Ying 1,2; Yang Zhiguo 3; Liu Zongwei 1,2; Yang Chunmei 1,2
刊名	ACTA OCEANOLOGICA SINICA
	2018-07
卷号	37 期号:7 页码:78-84
关键词	high-resolution bottom detection multibeam echo-sounder subarray beamforming virtual array transformation
ISSN号	0253-505X
DOI	10.1007/s13131-017-1246-9
英文摘要	High-resolution approaches such as multiple signal classification and estimation of signal parameters via rotational invariance techniques (ESPRIT) are currently employed widely in multibeam echo-sounder (MBES) systems for sea floor bathymetry, where a uniform line array is also required. However, due to the requirements in terms of the system coverage/resolution and installation space constraints, an MBES system usually employs a receiving array with a special shape, which means that high-resolution algorithms cannot be applied directly. In addition, the short-term stationary echo signals make it difficult to estimate the covariance matrix required by the high-resolution approaches, which further increases the complexity when applying the high-resolution algorithms in the MBES systems. The ESPRIT with multiple-angle subarray beamforming is employed to reduce the requirements in terms of the signal-to-noise ratio, number of snapshots, and computational effort. The simulations show that the new processing method can provide better fine-structure resolution. Then a highresolution bottom detection (HRBD) algorithm is developed by combining the new processing method with virtual array transformation. The application of the HRBD algorithm to a U-shaped array is also discuss. The computer simulations and experimental data processing results verify the effectiveness of the proposed algorithm.
资助项目	National Key R&D Program of China[2016YFC1400200]
WOS关键词	INTERPOLATED ARRAYS
WOS研究方向	Oceanography
语种	英语
出版者	SPRINGER
WOS记录号	WOS:000440454600009
内容类型	期刊论文
源URL	[http://ir.fio.com.cn:8080/handle/2SI8HI0U/26092]
专题	自然资源部第一海洋研究所
通讯作者	Yang Zhiguo
作者单位	1.State Ocean Adm, Inst Oceanog 1, Key Lab Marine Sci & Numer Modeling, Qingdao 266061, Peoples R China 2.Qingdao Natl Lab Marine Sci & Technol, Lab Reg Oceanog & Numer Modeling, Qingdao 266237, Peoples R China 3.State Ocean Adm, China Natl Deep Sea Ctr, Qingdao 266237, Peoples R China
推荐引用方式 GB/T 7714	Jiang Ying,Yang Zhiguo,Liu Zongwei,et al. High-resolution bottom detection algorithm for a multibeam echo-sounder system with a U-shaped array[J]. ACTA OCEANOLOGICA SINICA,2018,37(7):78-84.
APA	Jiang Ying,Yang Zhiguo,Liu Zongwei,&Yang Chunmei.(2018).High-resolution bottom detection algorithm for a multibeam echo-sounder system with a U-shaped array.ACTA OCEANOLOGICA SINICA,37(7),78-84.
MLA	Jiang Ying,et al."High-resolution bottom detection algorithm for a multibeam echo-sounder system with a U-shaped array".ACTA OCEANOLOGICA SINICA 37.7(2018):78-84.