{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,12]],"date-time":"2025-10-12T03:57:44Z","timestamp":1760241464924,"version":"build-2065373602"},"reference-count":29,"publisher":"MDPI AG","issue":"3","license":[{"start":{"date-parts":[[2018,3,15]],"date-time":"2018-03-15T00:00:00Z","timestamp":1521072000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Remote Sensing"],"abstract":"<jats:p>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.<\/jats:p>","DOI":"10.3390\/rs10030459","type":"journal-article","created":{"date-parts":[[2018,3,15]],"date-time":"2018-03-15T09:21:37Z","timestamp":1521105697000},"page":"459","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Proof of Feasibility of the Sea State Monitoring from Data Collected in Medium Pulse Mode by a X-Band Wave Radar System"],"prefix":"10.3390","volume":"10","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5672-2721","authenticated-orcid":false,"given":"Giovanni","family":"Ludeno","sequence":"first","affiliation":[{"name":"Institute for Electromagnetic Sensing of the Environment, National Research Council, via Diocleziano 328, I-80124 Napoli, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0990-8846","authenticated-orcid":false,"given":"Francesco","family":"Raffa","sequence":"additional","affiliation":[{"name":"Institute of Geosciences and Earth Resources, National Research Council, Via G. Moruzzi, I-56124 Pisa, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0377-3127","authenticated-orcid":false,"given":"Francesco","family":"Soldovieri","sequence":"additional","affiliation":[{"name":"Institute for Electromagnetic Sensing of the Environment, National Research Council, via Diocleziano 328, I-80124 Napoli, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Francesco","family":"Serafino","sequence":"additional","affiliation":[{"name":"Institute of Biometeorology of the National Research Council, via Giovanni Caproni 8, I-50145 Florence, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2018,3,15]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"1049","DOI":"10.1029\/JC090iC01p01049","article-title":"Three-dimensional analysis of marine radar images for the determination of ocean wave directionality and surface currents","volume":"90","author":"Young","year":"1985","journal-title":"J. Geophys. Res."},{"key":"ref_2","unstructured":"Beal, R.C. (1991). Directional spectra from shipboard navigation radar during LEWEX. Directional Ocean Wave Spectra: Measuring, Modelling, Predicting, and Applying, The Johns Hopkins University Press."},{"key":"ref_3","doi-asserted-by":"crossref","first-page":"2141","DOI":"10.1007\/s10236-011-0478-4","article-title":"Mapping bathymetry using X-band marine radar data recorded from a moving vessel","volume":"61","author":"Bell","year":"2011","journal-title":"Ocean Dyn."},{"key":"ref_4","doi-asserted-by":"crossref","first-page":"1928","DOI":"10.1175\/JTECH-D-14-00175.1","article-title":"On shipboard marine X-band radar near-surface current \u201ccalibration\u201d","volume":"32","author":"Lund","year":"2015","journal-title":"J. Atmos. Ocean. Technol."},{"key":"ref_5","unstructured":"Alford, A.K., Lyzenga, D., Beck, R.F., Nwogu, O., Johnson, J.T., and Zundel, A. (June, January 31). A real-time system for forecasting extreme waves and vessel motions. Proceedings of the International Conference on Offshore Mechanics and Arctic Engineering\u2014OMAE, St. John\u2019s, NL, Canada."},{"key":"ref_6","doi-asserted-by":"crossref","first-page":"244","DOI":"10.1109\/LGRS.2013.2254464","article-title":"X-Band Marine Radar System for High-Speed Navigation Purposes: A Test Case on a Cruise Ship","volume":"11","author":"Ludeno","year":"2014","journal-title":"IEEE Geosci. Remote Sens. Lett."},{"key":"ref_7","doi-asserted-by":"crossref","unstructured":"Ludeno, G., Brandini, C., Lugni, C., Arturi, D., Natale, A., Soldovieri, F., Gozzini, B., and Serafino, F. (2014). Remocean System for the Detection of the Reflected Waves from the Costa Concordia Ship Wreck. IEEE J. Sel. Top. Appl. Earth Obs. Remote Sens., 7.","DOI":"10.1109\/JSTARS.2014.2321048"},{"key":"ref_8","doi-asserted-by":"crossref","first-page":"234","DOI":"10.1109\/LGRS.2013.2254107","article-title":"A novel approach based on marine radar data analysis for high resolution bathymetry map generation","volume":"11","author":"Ludeno","year":"2014","journal-title":"IEEE Geosci. Remote Sens. Lett."},{"key":"ref_9","doi-asserted-by":"crossref","first-page":"1691","DOI":"10.3390\/s150101691","article-title":"A X-Band Radar System for Bathymetry and Wave Field Analysis in Harbor Area","volume":"15","author":"Ludeno","year":"2015","journal-title":"Sensors"},{"key":"ref_10","doi-asserted-by":"crossref","first-page":"822","DOI":"10.1109\/LGRS.2011.2182031","article-title":"REMOCEAN: A Flexible X-Band Radar System for Sea-State Monitoring and Surface Current Estimation","volume":"9","author":"Serafino","year":"2012","journal-title":"IEEE Geosci. Remote Sens. Lett."},{"key":"ref_11","unstructured":"Bell, P.S. (2008). Mapping Shallow Water Coastal Areas Using a Standard Marine X-Band Radar, International Federation of Hydrographic Societies."},{"key":"ref_12","doi-asserted-by":"crossref","first-page":"2267","DOI":"10.1109\/TGRS.2008.916474","article-title":"Determination of bathymetric and current maps by the method DiSC based on the analysis of nautical X-band radar image sequences of the sea surface","volume":"46","author":"Senet","year":"2007","journal-title":"IEEE Trans. Geosci. Remote Sens."},{"key":"ref_13","doi-asserted-by":"crossref","first-page":"4","DOI":"10.1109\/TGRS.2002.1006346","article-title":"Ocean Current Estimated From X-Band Radar Sea Surface Images","volume":"40","author":"Gangeskar","year":"2002","journal-title":"IEEE Trans. Geosci. Remote Sens."},{"key":"ref_14","doi-asserted-by":"crossref","first-page":"16299","DOI":"10.1029\/JC095iC09p16299","article-title":"Evidence of Bragg scattering in microwave Doppler spectra of sea return","volume":"95","author":"Plant","year":"1990","journal-title":"J. Geophys. Res."},{"key":"ref_15","doi-asserted-by":"crossref","first-page":"375","DOI":"10.1016\/S0378-3839(00)00019-3","article-title":"Analysis of directional wave fields using X-Band navigation radar","volume":"40","year":"2000","journal-title":"Coast. Eng."},{"key":"ref_16","doi-asserted-by":"crossref","first-page":"85","DOI":"10.1016\/j.rse.2016.10.042","article-title":"Implementation of S-band marine radar for surface wave measurement under precipitation","volume":"188","author":"Cheng","year":"2017","journal-title":"Remote Sens. Environ."},{"key":"ref_17","doi-asserted-by":"crossref","first-page":"1291","DOI":"10.1175\/1520-0426(2004)021<1291:IOMRIF>2.0.CO;2","article-title":"Inversion of marine radar images for surface wave analysis","volume":"21","author":"Rodriguez","year":"2004","journal-title":"J. Atmos. Ocean. Technol."},{"key":"ref_18","doi-asserted-by":"crossref","first-page":"231","DOI":"10.1109\/LGRS.2009.2031878","article-title":"A novel strategy for the surface current determination from marine X-Band radar data","volume":"7","author":"Serafino","year":"2010","journal-title":"IEEE Geosci. Remote Sens. Lett."},{"key":"ref_19","doi-asserted-by":"crossref","unstructured":"Brandini, C., Taddei, S., Doronzo, B., Fattorini, M., Costanza, L., Perna, M., Serafino, F., and Ludeno, G. (2017). Turbulent behaviour within a coastal boundary layer, observations and modelling at the Isola del Giglio. Ocean Dyn., 67.","DOI":"10.1007\/s10236-017-1080-1"},{"key":"ref_20","doi-asserted-by":"crossref","first-page":"21","DOI":"10.1175\/JTECH-D-16-0049.1","article-title":"X-band wave radar for coastal upwelling detection off the southern coast of Sicily","volume":"34","author":"Raffa","year":"2016","journal-title":"J. Atmos. Ocean. Technol."},{"key":"ref_21","doi-asserted-by":"crossref","first-page":"221","DOI":"10.1109\/JOE.2017.2758118","article-title":"Normalized Scalar Product Approach for Nearshore Bathymetric Estimation from X-band Radar Images: An Assessment Based on Simulated and Measured Data","volume":"43","author":"Ludeno","year":"2018","journal-title":"IEEE J. Ocean. Eng."},{"key":"ref_22","doi-asserted-by":"crossref","first-page":"1868","DOI":"10.1109\/JSTARS.2012.2208179","article-title":"Surface Current Measurement Under Low Sea State Using Dual Polarized X-Band Nautical Radar","volume":"5","author":"Huang","year":"2012","journal-title":"IEEE J. Sel. Top. Appl. Earth Obs. Remote Sens."},{"key":"ref_23","doi-asserted-by":"crossref","unstructured":"Vicen-Bueno, R., Lido-Muela, C., and Nieto-Borge, J.C. (2012). Estimate of significant wave height from non-coherent marine radar images by multilayer perceptrons. EURASIP J. Adv. Signal Process., 84.","DOI":"10.1186\/1687-6180-2012-84"},{"key":"ref_24","doi-asserted-by":"crossref","first-page":"2591","DOI":"10.1029\/94JC02741","article-title":"X-Band Microwave Backscattering from Ocean Waves","volume":"100","author":"Lee","year":"1995","journal-title":"J. Geophys. Res."},{"key":"ref_25","doi-asserted-by":"crossref","unstructured":"Wenzel, L.B. (1990). Electromagnetic Scattering from the Sea at Low Grazing Angles, Surface Waves and Fluxes.","DOI":"10.1007\/978-94-009-0627-3_3"},{"key":"ref_26","doi-asserted-by":"crossref","first-page":"492","DOI":"10.1109\/36.911108","article-title":"The near-surface current velocity determined from image sequences of the sea surface","volume":"39","author":"Senet","year":"2001","journal-title":"IEEE Trans. Geosci. Remote Sens."},{"key":"ref_27","doi-asserted-by":"crossref","unstructured":"Ludeno, G., Nasello, C., Raffa, F., Ciraolo, G., Soldovieri, F., and Serafino, F. (2016). A Comparison between Drifter and X-Band Wave Radar for Sea Surface Current Estimation. Remote Sens., 8.","DOI":"10.3390\/rs8090695"},{"key":"ref_28","doi-asserted-by":"crossref","unstructured":"Raffa, F., Ludeno, G., Buscaino, G., Sannino, G., Carillo, A., Grammauta, R., Spoto, D., Soldovieri, F., Mazzola, S., and Serafino, F. (2018). Coupling of wave data and underwater acoustic measurements in a maritime high traffic coastal area: A case study on the Strait of Sicily. J. Atmos. Ocean. Technol.","DOI":"10.1175\/JTECH-D-17-0046.1"},{"key":"ref_29","unstructured":"Arthur, R.S. (2018, March 13). The Effect of Islands on Surface Waves, Bulletin of the Scripps Institution of Oceanography. Available online: http:\/\/escholarship.org\/uc\/item\/9sz6r0qc."}],"container-title":["Remote Sensing"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.mdpi.com\/2072-4292\/10\/3\/459\/pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,10,11]],"date-time":"2025-10-11T14:57:11Z","timestamp":1760194631000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.mdpi.com\/2072-4292\/10\/3\/459"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2018,3,15]]},"references-count":29,"journal-issue":{"issue":"3","published-online":{"date-parts":[[2018,3]]}},"alternative-id":["rs10030459"],"URL":"https:\/\/doi.org\/10.3390\/rs10030459","relation":{},"ISSN":["2072-4292"],"issn-type":[{"type":"electronic","value":"2072-4292"}],"subject":[],"published":{"date-parts":[[2018,3,15]]}}}