Zobrazeno 1 - 10
of 26
pro vyhledávání: '"Xishuang Li"'
Autor:
ChenGuang Liu, JinZhong Fu, QingFeng Hua, Kai Liu, PengYao Zhi, YanLiang Pei, QingJie Zhou, XiShuang Li, BaoHua Liu
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-11 (2023)
Abstract In the latest geophysical survey crossing the Ninety East Ridge of the Indian Ocean, a new method was employed to perform proportional double seismic source excitation and synchronously receive signals from the sea surface and the seabed. Th
Externí odkaz:
https://doaj.org/article/c6022f70705b4875a871b73e02ee871f
Publikováno v:
Journal of Marine Science and Engineering, Vol 12, Iss 4, p 599 (2024)
Autonomous Underwater Vehicle (AUV)-based multibeam bathymetry, sub-bottom profiles, and side-scan sonar images were collected in 2009 and 2010 to map the geomorphic features along the axial zone of a canyon (referred to as C4) within the canyon syst
Externí odkaz:
https://doaj.org/article/0d76c95501984331b1017e459b900f63
Autor:
Rui Nian, Shasha Liu, Zongcan Lu, Xiaoyu Li, Shidong Ren, Yuqi Qian, Qiuying Li, Guotong He, Kexin Shi, Guoyao Zhang, Lina Zang, Luyao Li, Bo He, Tianhong Yan, Xishuang Li
Publikováno v:
Frontiers in Marine Science, Vol 10 (2023)
The increasing use of underwater vehicles facilitates deep-sea exploration at a wide range of depths and spatial scales. In this paper, we make an initial attempt to develop online computing strategies to identify seafloor categories and predict biog
Externí odkaz:
https://doaj.org/article/4072eb3d6bba40aeab08a6ff18bdee58
Publikováno v:
Journal of Marine Science and Engineering, Vol 12, Iss 2, p 282 (2024)
When marine deep-towed multichannel seismic data are processed, the description of the receiving array geometry significantly impacts the quality of the imaging profile. Therefore, achieving a highly precise description of the receiving array geometr
Externí odkaz:
https://doaj.org/article/8897b9feeca544bab4b09f405dab5023
Publikováno v:
Remote Sensing, Vol 16, Iss 4, p 631 (2024)
This study focuses on the inversion of sub-bottom profile (SBP) data in the northern South China Sea using an empirical relationship derived from sediment acoustic data. The sub-bottom profile is primarily utilized for various marine applications, su
Externí odkaz:
https://doaj.org/article/af8541e8b742429b8b082ef2c4da3609
Publikováno v:
Remote Sensing, Vol 15, Iss 14, p 3576 (2023)
The classification of marine sediment based on acoustic data is crucial for various applications such as marine resource exploitation, marine engineering construction, and marine ecological environment maintenance. It serves as a valuable alternative
Externí odkaz:
https://doaj.org/article/24ae6ae822444981b20bb3a935f41846
Autor:
Qingjie Zhou, Xishuang Li, Bigui Huang, Lejun Liu, Shan Gao, Hang Zhou, Jie Liu, Baohua Liu, Chengyi Zhang
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-11 (2021)
Abstract Based on the seafloor reflection coefficient obtained from autonomous underwater vehicle (AUV) sub-bottom profile survey data of the northern slope of the South China Sea, combined with the sample test data of seafloor surface sediments, we
Externí odkaz:
https://doaj.org/article/9f5ca8a1cb5d4e8bb84677ba7d037cce
Autor:
Chenguang Liu, Qingxian Zhao, Zhen Liu, Yanhong Lian, Yanliang Pei, Baohua Liu, Xishuang Li, Qingjie Zhou, Keping Yan, Zili Chen
Publikováno v:
Journal of Marine Science and Engineering, Vol 11, Iss 1, p 20 (2022)
As a novel type of mineral resource, gas hydrate has received a considerable amount of attention worldwide. This seismic detection method can detect abnormal phenomena such as the BSR, blank zones, velocity anomalies and polarity inversion of gas hyd
Externí odkaz:
https://doaj.org/article/5c360545920743b08da809ed370c1b5b
Publikováno v:
Frontiers in Earth Science, Vol 9 (2021)
A gradient preconditioning approach based on transmitted wave energy for least-squares reverse time migration (LSRTM) is proposed in this study. The gradient is preconditioned by using the energy of “approximate transmission wavefield,” which is
Externí odkaz:
https://doaj.org/article/49429a1fe7c948b8afedaaf832776c94
Publikováno v:
Frontiers in Earth Science, Vol 9 (2021)
Reverse time migration (RTM) is based on the two-way wave equation, so its imaging results obtained by conventional zero-lag cross-correlation imaging conditions contain a lot of low-wavenumber noises. So far, the wavefield decomposition method based
Externí odkaz:
https://doaj.org/article/41615d2e0d79436c9f3226b051508db8