A Novel Approach Based on Marine Radar Data Analysis for High-Resolution Bathymetry Map Generation

Ludeno, Giovanni; Flampouris, Stylianos; Lugni, Claudio; Soldovieri, Francesco; Serafino, Francesco

doi:10.1109/lgrs.2013.2254107

Cited by 27 publications

(24 citation statements)

References 12 publications

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“…Herein, we adopt the "Local Method" based on the Normalized Scalar Product (NSP) [14,16,20,22,23]. NSP method is based on the maximization of the normalized scalar product between the amplitude of the radar spectrum, here denoted by , and the characteristic function:…”

Section: Wave Radar Systemmentioning

confidence: 99%

“…Determination of velocity and direction of surface current by wave radar system is performed analyzing the three-dimensional (3-D) wave number/frequency spectrum, which is obtained by performing 3-D Fast Fourier Transform (FFT) of the radar images sequence [9]. In order to take into account the spatial non-uniformity of the surface current and bathymetry, several improved "local" inversion procedures have been developed [12,[20][21][22][23]. Herein, we adopt the "Local Method" based on the Normalized Scalar Product (NSP) [14,16,20,22,23].…”

Section: Wave Radar Systemmentioning

confidence: 99%

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A Comparison between Drifter and X-Band Wave Radar for Sea Surface Current Estimation

et al. 2016

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This paper deals with exploitation of the wave radar system for sea surface current estimation in a coastal zone. In particular, we present the results of the processing of the radar data collected by an X-band marine radar installed in Capo Granitola site, which is located in the south-west part of Sicily, on 15 May 2015. The effectiveness of the data processing is analyzed by comparing the wave radar estimated sea surface current with that provided by the Lagrangian drifters along its movement trajectory. During the measurement campaign, three drifter releases are carried out and for each one the comparison is provided in terms of the mean error and standard deviation. In addition, we report the characteristic sea state parameters, in terms of peak wavelength (λ p ), peak direction propagation (θ p ), peak period (T p ) and significant wave height (H s ) of the dominant waves estimated by the wave radar system.

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Section: Wave Radar Systemmentioning

confidence: 99%

Section: Wave Radar Systemmentioning

confidence: 99%

A Comparison between Drifter and X-Band Wave Radar for Sea Surface Current Estimation

et al. 2016

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“…2018, 10, x FOR PEER REVIEW 3 of 16 [7][8][9][10]. The core of the reconstruction strategy is the Normalized Scalar Product (NSP) approach [18] able to estimate the surface current and bathymetry jointly.…”

Section: Methodsmentioning

confidence: 99%

“…In [7,8], the authors proposed the "Local Method", which improved the original version of the NSP method [18], with the aim to reconstruct spatially inhomogeneous current and sea surface current fields. Such a method relies on the spatial partitioning of the investigated region into partially overlapping patches, within which the local estimation of the surface current is performed [21].…”

Section: ∝ /30mentioning

confidence: 99%

“…In recent decades, X-band marine radar has been also employed as a remote sensing tool for sea state monitoring, not only on ships [1][2][3][4][5][6] but also in coastal areas [7][8][9][10][11][12][13]. The wavelength of X-band radar signal is approximatively equal to the wavelength of ripples present on the sea surface when a wind speed higher than 3 m/s is present.…”

Section: Introductionmentioning

confidence: 99%

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Proof of Feasibility of the Sea State Monitoring from Data Collected in Medium Pulse Mode by a X-Band Wave Radar System

et al. 2018

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X-band marine radars can be exploited to estimate the sea state parameters and surface current. However, to pursue this aim, they are set in such a way as to radiate a very short pulse to exploit the maximum spatial resolution. However, this condition strongly limits the use of radar as an anti-collision system during navigation. Consequently, a continuous change of radar scale is needed to perform both the operations of waves and current estimations and target tracking activities. The goal of this manuscript is to investigate the possibility of using marine radar working in a medium pulse mode to estimate the sea state parameters and surface current, while assuring suitable anti-collision performance. Specifically, we compare the capabilities of the X-band radar for sea state monitoring when it works in short and medium pulse modes and we present the results of a comparison based on data collected during two experimental campaigns. The provided results show that there is good agreement about the estimation of wave parameters and the surface current field that make us hopeful that, in principle, it is possible to use the medium pulse mode to achieve information about sea state with a reasonable degradation.

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Elimination of the impact of vessels on ocean wave height inversion with X-band wave monitoring radar

Wang

et al. 2016

Chin. J. Ocean. Limnol.

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A Novel Approach Based on Marine Radar Data Analysis for High-Resolution Bathymetry Map Generation

Cited by 27 publications

References 12 publications

A Comparison between Drifter and X-Band Wave Radar for Sea Surface Current Estimation

A Comparison between Drifter and X-Band Wave Radar for Sea Surface Current Estimation

Proof of Feasibility of the Sea State Monitoring from Data Collected in Medium Pulse Mode by a X-Band Wave Radar System

Elimination of the impact of vessels on ocean wave height inversion with X-band wave monitoring radar

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