Formulas for Source Depth Estimation From Multipath Arrivals in Deep Water

被引：7
|
作者：
Duan, Rui [1 ]
Yang, Kunde [1 ]
Wu, Feiyun [1 ]
Ma, Yuanliang [1 ]
机构：
[1] Northwestern Polytech Univ, Sch Marine Sci & Technol, Xian 710072, Peoples R China
来源：
IEEE TRANSACTIONS ON AEROSPACE AND ELECTRONIC SYSTEMS | 2020年 / 56卷 / 06期
基金：
中国国家自然科学基金;
关键词：
Correlation; Delay effects; Signal to noise ratio; Estimation; Broadband communication; Sea measurements; Noise measurement; Arrival structure; autocorrelation; reliable acoustic path; source depth estimation; SIGNAL SEPARATION; LOCALIZATION; PERFORMANCE; TRACKING; RANGE; ALGORITHM; WHALES; FILTER; OCEAN;
D O I：
10.1109/TAES.2020.3004905
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
This article presents formulas to calculate the source depth based on the arrival angle and time delay between the direct and surface-refracted arrivals measured in deep water from a broadband signal. Using the formulas, the data autocorrelation is transformed to a correlation sequence as a function of assumed source depth, which can be simply averaged over a long time to estimate the source depth in a noisy environment. Both the simulated and real data verify the effectiveness and efficiency of the proposed method.
引用
收藏
页码：4856 / 4871
页数：16
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