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- Reconstructing Sound Speed Profile From Remote Sensing Data: Nonlinear Inversion Based on Self-Organizing Map
- IEEE ACCESSLi, Haipeng Qu, Ke Zhou, Jianbo 出版年:2021
- By establishing a linear regression relationship between the projection coefficient of the empirical orthogonal function (EOF) of the sound speed profile (SSP) and remote sensing parameters of the sea surface, the single...
- Low frequency ambient noise modeling and comparison with field measurements in the South China Sea
- APPLIED ACOUSTICSZhou, JianBo Zhang, Minhui Piao, ShengChun Iqbal, Kashif Qu, Ke Liu, YaQin Li, XiaoMan 出版年:2019
- This study models vertical properties of wind-induced ambient noise and compares the noise properties with field measurements. The Perkins-Kuperman model was used to calculate vertical coherence of low frequency ambient ...
- Estimation of sound speed profiles based on remote sensing parameters using a scalable end-to-end tree boosting model
- FRONTIERS IN MARINE SCIENCEOu, Zhenyi Qu, Ke Shi, Min Wang, Yafen Zhou, Jianbo 出版年:2022
- IntroductionIn underwater acoustic applications, the three-dimensional sound speed distribution has a significant impact on signal propagation. However, the traditional sound speed profile (SSP) measurement method requir...
- Experimental Study of a Broadband Parametric Acoustic Array for Sub-Bottom Profiling in Shallow Water
- SHOCK AND VIBRATIONQu, Ke Zou, Binbin Chen, Jingjing Guo, Yingge Wang, Runtian 出版年:2018
- Broadband parametric acoustic arrays appear to offer advantages for shallow water sub-bottom profiling. In this paper, the performance of a broadband parametric acoustic array system was experimentally evaluated. In tank...
- Estimation of Sound Speed Profiles Using a Random Forest Model with Satellite Surface Observations
- SHOCK AND VIBRATIONOu, Zhenyi Qu, Ke Liu, Chen 出版年:2022
- Sound speed profile (SSP) inversion is usually performed by linear statistical regression, such as the single empirical orthogonal function regression (sEOF-r) model. However, due to the complex dynamic activities of the...
- Rapid environmental assessment in the South China Sea: Improved inversion of sound speed profile using remote sensing data
- ACTA OCEANOLOGICA SINICAQu, Ke Zou, Binbin Zhou, Jianbo 出版年:2022
- Complex perturbations in the profile and the sparsity of samples often limit the validity of rapid environmental assessment (REA) in the South China Sea (SCS). In this paper, the remote sensing data were used to estimate...
- Estimating Sound Speed Profile by Combining Satellite Data with In Situ Sea Surface Observations
- ELECTRONICSOu, Zhenyi Qu, Ke Wang, Yafen Zhou, Jianbo 出版年:2022
- Given that spatiotemporal measurement of the subsurface profile over a wide range are difficult to obtain, surface observations from satellites are often used to estimate the sound speed profile (SSP). This paper propose...
- Extracting the time domain Green's function from ocean ambient noise using acoustic vector sensors
- JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICAZhou, Jianbo Piao, Shengchun Qu, Ke Iqbal, Kashif Dong, Yang Zhang, Shizhao Zhang, Haigang Wang, Xiaohan Liu, Yaqin 出版年:2017
- A function that closely resembles the two-point time-domain Green's function (TDGF) representing the time delays associated with multipath between the two sensors can be recovered by correlating the noise field measured ...
- Analysis of Surface Sound Duct in the Northern Shelf of the South China Sea
- SHOCK AND VIBRATIONQu, Ke Piao, Shengchun Zhou, Jianbo Zhu, Fengqin 出版年:2018
- The northern shelf of the South China Sea (NSSCS) is characterized by surface low-salinity water due to discharge from the Pearl River. In such an environment, the surface sound duct (SSD) is the most important duct for ...
- Wide-area sound speed profile estimation based on a pre-classification scheme for sound speed perturbation modes
- FRONTIERS IN MARINE SCIENCELiu, Chen Qu, Ke 出版年:2023
- IntroductionThe trend of sound speed profile (SSP) inversion is towards wide-area sound speed estimation. However, the traditional inversion method of dividing the latitude and longitude grids has limitations in terms of...
- Reconstructing the sound speed profile of South China Sea using remote sensing data and long short-term memory neural networks
- FRONTIERS IN MARINE SCIENCEZhao, Yu Xu, Pan Li, Guangming Ou, Zhenyi Qu, Ke 出版年:2024
- Introduction Sound waves are refracted along the direction of their propagation owing to spatial and temporal fluctuations in the speed of sound in seawater. Errors are compounded when sound speed profiles (SSPs) with lo...
- A novel method for internal wave monitoring based on expansion of the sound speed profile
- ACTA OCEANOLOGICA SINICAQu, Ke Zhu, Fengqin Song, Wenhua 出版年:2019
- For acoustic detection of internal waves, the core issue is to obtain the temporal and spatial distribution of the sound speed profile (SSP). In the inversion process, the SSP is usually expressed by a few parameters thr...
- A spatial correlation model for the horizontal non-isotropic ocean ambient noise vector field
- JOURNAL OF LOW FREQUENCY NOISE VIBRATION AND ACTIVE CONTROLZhou, Jianbo Piao, Shengchun Huang, Yiwang Zhang, Shizhao Qu, Ke 出版年:2017
- The ocean ambient noise is one of interference fields of underwater acoustic channel. The design and use of any sonar system are bound to be affected by ocean ambient noise, so to research the spatial correlation charact...
- Modeling sound speed profile based on ocean normal mode
- FRONTIERS IN MARINE SCIENCEQu, Ke Yin, Weifeng Zhu, Fengqin Meng, Lei 出版年:2024
- Introduction Statistical methods such as empirical orthogonal functions (EOFs) are often used to model the sound speed profile (SSP). However, their statistical nature often leads to the sample dependence and physical fu...
- 波导不变量谱值及其分离方法
- 《物理学报》宋文华 王宁 高大治 王好忠 屈科 出版年:2017
- 波导不变量有两种定义方式,按照干涉条纹斜率的定义适合工程应用,按照简正波频散的定义适合理论分析.在有跃层的波导中,这两种定义方式并不完全一致.由于简正波频散特性差异,按照频散特性定义的波导不变量β会有许多不同的取值,这些...
- 关键词:波导不变量β谱 条纹斜率 条纹间距 积分投影 被引量:0
- A simplified model for acoustic focalization in environments with seabed uncertainties
- FRONTIERS IN PHYSICSQu, Ke Ou, Zhenyi Huang, Xin Liu, Liwen 出版年:2023
- Introduction: Parameter mismatch poses a challenge to source localization in cases involving environments with seabed uncertainties. By including environmental parameters in the search space, focalization can be used to ...
- Enhanced Inversion of Sound Speed Profile Based on a Physics-Inspired Self-Organizing Map
- REMOTE SENSINGXu, Guojun Qu, Ke Li, Zhanglong Zhang, Zixuan Xu, Pan Gao, Dongbao Dai, Xudong 出版年:2025
- The remote sensing-based inversion of sound speed profile (SSP) enables the acquisition of high-spatial-resolution SSP without in situ measurements. The spatial division of the inversion grid is crucial for the accuracy ...