Multifrequency sar observation of a ship wake
Web12 mar. 2024 · Ship-induced Kelvin wakes have been proved to be more visible than the ships with low radar cross section (RCS) in synthetic aperture radar (SAR) images, which is of great significance to sea surface target detection and identification as well as the parameter inversions. Web2 apr. 1996 · Multifrequency SAR observation of a ship wake. Access Full Text. Multifrequency SAR observation of a ship wake. Author(s): K. Oumansour; Y. Wang; J. Saillard;
Multifrequency sar observation of a ship wake
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Web14 dec. 2024 · The problem in obtaining stable motion estimation of maritime targets is that sea clutter makes wake structure detection and reconnaissance difficult. This letter presents a complete procedure... Web1 aug. 2024 · In this paper, the wakes of 2836 ships were observed and summarized using 17 multispectral fusion images at 2-m-resolution and 8-m-resolution multispectral …
Web1 mar. 2024 · The identifying features of ship wakes in synthetic aperture radar (SAR) remote sensing images are of great importance for detecting ships and for extracting ship motion parameters. A statistical analysis was conducted on the identifying features of ship wakes in SAR images in the Yellow Sea. In this study, 1091 ship wake sub-images … Web14 iul. 2014 · Although this is the most recognizable ship wake feature observed in SAR images, the other three categories of wakes, i.e., ... WindSat is a spaceborne multifrequency polarimetric microwave ... While the numerical simulation is conducted for a single wake, the TS-X observation provides a complete picture of the tidal current …
Web1 oct. 2009 · This paper presents a method based on the localized Radon Transform for detecting ship wakes in SAR (Synthetic Aperture Radar) images. The method is applied … WebNow researchers can observe most oceanographic phenomena such as surface wakes, ocean currents or internal solitary waves by virtue of high-resolution monitoring capability provided by synthetic aperture radar (SAR) in all weather, all day and all night. In fact, the scarcity of ship wake SAR images somewhat frustrated in-depth research, hence, the …
Web12 mar. 2024 · Abstract. In the synthetic aperture radar (SAR) imaging of ship-induced wakes, it is difficult to obtain the Doppler velocity of a Kelvin wake due to the lack of time-varying wake models and suitable radar equipment. The conventional Kelvin wake investigation based on the static Kelvin wake model failed to reflect time-varying …
Web15 oct. 2024 · In this paper, a wake detection region approach by using the multi-feature recombination and the area-based morphological analysis in ATI-SAR systems is proposed, which aims to detect the near-ship wake region, nearby the moving ship and between two kelvin cusp lines. jq カード 電子マネーWebOn the Ship Wake Simulation for Multi-Frequncy and Mutli-Polarization SAR Imaging. Abstract: In this paper, computer simulation of SAR (Synthetic Aperture Radar) image of … adilette retroWebThe simulation of the SAR image of a ship wake Abstract: A computer simulation of L-band SAR (synthetic aperture radar) images of surface-ship wakes is described, and the … jqカード 解約方法Web1 aug. 2024 · A complete Kelvin wake consists of transverse waves that have the same propagation direction as the ship heading, divergent waves that propagate oblique to the … jqカード 駐車場 熊本Web5 apr. 2024 · In order to analyse synthetic aperture radar (SAR) images of the sea surface, ship wake detection is essential for extracting information on the wake generating … jqカード 解約 ネットWebMulti-frequency C and L bands in the TOPSAR data have been utilized to reconstruct three-dimensional (3-D) bathymetry pattern. The main objective of this study is to utilize fuzzy arithmetic to reduce the errors arising from speckle in synthetic aperture radar (SAR) data when constructing ocean bathymetry from polarized SAR data. adilette saleWeb24 feb. 2024 · Observing and modelling the shape of the sea's surface has been of great importance to the researchers seeking to understand the sea waves with the aim of benefitting the safe undertaking of various maritime activities. Synthetic Aperture Radar (SAR) images carry a lot of such information and characteristic patterns which can be … jq キーと値