Results 71 to 80 of about 313,766 (176)

Impact of an extreme storm event on a multiple intertidal barred coastal system

Earth Surface Processes and Landforms, Volume 51, Issue 8, August 2026.
Extreme storms do not necessarily cause extreme coastal erosion. Integrated DGPS surveys and SWAN nearshore wave modelling reveal that Storm Barra's peak coincided with a low‐tide stage, allowing multiple intertidal bars (MITBs) to dissipate incoming wave energy before it reached Dundrum Bay's shoreline, highlighting the combined role of tidal stage ...
Melanie Biausque, Emilia Guisado‐Pintado, Derek W. T. Jackson, J. Andrew G. Cooper, Edoardo Grottoli   +4 more
wiley   +1 more source

Automated object detection based on YOLOv11 for monitoring benthic population dynamics: A new approach combining photogrammetry and open‐source GIS tools applied to sea cucumbers

Remote Sensing in Ecology and Conservation, Volume 12, Issue 4, Page 513-530, August 2026.
This research established a new object detection model based on YOLOv11 to recognise benthic organisms, specifically sea cucumbers, by utilising high‐resolution photogrammetric‐based orthomosaics acquired along infralittoral Mediterranean Sea beds. The model demonstrated impressive performance metrics and, when combined with the Deepness plugin for the
Gian Mario Sangiovanni, Giovanna Jona Lasinio, Daniele Poggio, Gianluca Mastrantonio, Alessio Pollice, Arnold Rakaj, Midhun Mohan, Stefano Moro, Edoardo Casoli, Daniele Ventura   +9 more
wiley   +1 more source

SIW multibeam antenna based on modified horn beam-forming network

, 2018
© 2002-2011 IEEE. A simple multibeam antenna fed by a modified horn beam-forming network (BFN) is realized in substrate integrated waveguide technology.
Liu, Y, Ban, YL, Lian, JW, Zhu, JQ, Kang, K   +4 more
core   +1 more source

Antenna with multibeam applications

Electronics Letters, 1973
The design of a dual-reflector antenna that focuses an inclined incident plane wave to a point away from the axis of symmetry of the reflector is discussed. A useful application of such a system would be as a multibeam antenna for use in communication via satellites.
openaire   +1 more source

Bathymetry Prediction With SWOT Gravity Anomaly Using Machine Learning Methods: Paper 1–Model Development

Journal of Geophysical Research: Solid Earth, Volume 131, Issue 8, August 2026.
Abstract Only one quarter of the global ocean floor has been directly surveyed; the remaining three quarters are inferred from satellite altimeter‐derived gravity data using techniques developed in the 1990s. These classical methods correlate gravity anomalies with known depths and extrapolate bathymetry in unsounded regions.
David Sandwell, Benjamin J. Phrampus, Farshad Salajegheh, Bjarke Nilsson, Biao Lu, Yao Yu, Hugh Harper, Ole B. Andersen, Walter Smith, Paul Elmore, Jonathan Kirby, James Beale, Jamie Roberts, Luis Altamirano   +13 more
wiley   +1 more source

Submarine Flank Collapses at Tagoro Volcano: Insights From Bathymetric Surveys and 3D Multiphase Simulations

Journal of Geophysical Research: Oceans, Volume 131, Issue 8, August 2026.
Abstract Volcanic islands are prone to flank instabilities that can generate tsunamis even when mobilized volumes are moderate. This study investigates submarine collapses during the 2011–2012 eruption south of El Hierro, which built the Tagoro submarine volcano.
E. P. Montellà, A. Romano, G. Barajas, J. A. Lozano, J. T. Vázquez, J. L. Lara, E. Fraile‐Nuez   +6 more
wiley   +1 more source

Frequency scanning ring multibeam antenna array

Физика волновых процессов и радиотехнические системы
Background. Implementation of scanning antennas for noise-immune communication systems and radar systems is an important and urgent task. One of the most promising methods of beam deflection is frequency scanning, which can be effectively combined with ...
Evgeniy A. Ishchenko, Yury G. Pasternak, Dmitry K. Proskurin, Sergey M. Fedorov   +3 more
doaj   +1 more source

Glacial Imprints and Marine Overprints: Sediment Architecture and Fjord Evolution in Fiordland, New Zealand

Journal of Geophysical Research: Earth Surface, Volume 131, Issue 8, August 2026.
Abstract Fjords are globally significant sedimentary archives that record the relationship between glacial, tectonic, and marine processes. Fiordland, on the southwest coast of New Zealand, hosts one of the most extensive temperate fjord provinces in the Southern Hemisphere, yet its postglacial evolution has remained poorly constrained.
Ellen Unland, Andrew R. Gorman, Philip M. Barnes, Christopher M. Moy, Gary S. Wilson, Christina R. Riesselman, Jess I. T. Hillman   +6 more
wiley   +1 more source

Dual polarized aperture coupled patch multibeam antenna

, 1998
We present a dual polarised multibeam antenna intended for use in a PCS (1850-1990 MHz) base station. Although the coupling between adjacent antenna columns is quite high the radiation patterns and cross-polar characteristics are satisfactory.
Lindmark, B., Beckman, Claes,, Lundgren, S.   +2 more
core   +1 more source

Novel small-size directional antenna for UWB WBAN/WPAN applications [PDF]

, 2005
This paper presents a novel small-size directional antenna design for ultrawide-band wireless body area networks/wireless personal area networks applications.
G. Troster, Klemm, M, Pedersen, Gert F, Kovcs, I Z, M. Klemm, Troster, G, Troster, Gerhard, Pedersen, Gert Frølund; id_orcid, G.F. Pedersen, Kovacs, Istvan Z, I.Z. Kovcs   +10 more
core   +2 more sources