Results 81 to 90 of about 19,886 (166)
Jurnal Teknologi Perikanan dan Kelautan, 2017 Berdasarkan hasil deteksi dasar laut menggunakan side scan sonar dalam pencitraan benda-benda di dasar laut dapat menghasilkan berbagai variasi gambar yang digunakan untuk pencitraan objek-objek dasar laut, selain itu dapat memberikan informasi dalam ...
Dwi Charnila, Henry M. Manik
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Video imaging in turbid water [PDF]
In order to describe seabed habitats and to identify and quantify spatial patterns information is needed at different scales. Whereas ground-truthing techniques are used to gain point information, remote sensing techniques are used to obtain information ...
Dalfsen, J.A., van
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In this activity, students will learn about the bathymetry of Hudson Canyon, a submarine canyon on the Atlantic coast of North America. As they study Hudson Canyon, they will compare and contrast topographic maps and bathymetric maps, investigate the ...
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Comparative study between acoustic signals and images for detecting seabed features
Egyptian Journal of Aquatic Research, 2019 This study aims to provide a recent seabed characteristic of ridges along the eastern coast of Alexandria on the Egyptian Mediterranean Sea. Side scan sonar was used for acoustic imaging and Quester Tangent Corporation (QTC) VIEW for acoustic signal ...
A. Hamouda +3 more
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Search for the Wreckage of Air France Flight AF 447
, 2014 In the early morning hours of June 1, 2009, during a flight from Rio de Janeiro to Paris, Air France Flight AF 447 disappeared during stormy weather over a remote part of the Atlantic carrying 228 passengers and crew to their deaths.
Keller, Colleen M. +3 more
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Method for shaping and aiming narrow beams [PDF]
, 1981 A sonar method and apparatus is discribed which utilizes a linear frequency chirp in a transmitter/receiver having a correlator to synthesize a narrow beamwidth pattern from otherwise broadbeam transducers when there is relative velocity between the ...
Heyser, R. C.
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The Two-Dimensional Wavelet Transform De-noising and Combining with Side Scan Sonar Image
Journal of Applied Geospatial Information, 2017 This paper puts forward an image de-noising method based on 2D wavelet transform with the application of the method in seabed identification data collection system.
Muhammad Zainuddin Lubis +2 more
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A High-Efficiency Side-Scan Sonar Simulator for High-Speed Seabed Mapping. [PDF]
Sensors (Basel), 2023 Meng X, Xu W, Shen B, Guo X.
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Rethinking the Patch Test for Phase Measuring Bathymetric Sonars [PDF]
, 2011 While conducting hydrographic survey operations in the Florida Keys, NOAA Ship Thomas Jefferson served as a test platform for the initial operational implementation of an L-3 Klein HydroChart 5000 Swath Bathymetry Sonar System1 , a hull-mounted phase ...
Beaudoin, Jonathan +3 more
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Fairy circle landscapes under the sea
, 2017 Short-scale interactions yield large-scale vegetation patterns that, in turn, shape ecosystem function across landscapes. Fairy circles, which are circular patches bare of vegetation within otherwise continuous landscapes, are characteristic features of ...
Duarte, Carlos M. +5 more
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