Results 41 to 50 of about 21,612 (157)
Energy flux of a vortex field focused using a secant gradient lens
In this paper we simulated the focusing of left circular polarized beam with a second order phase vortex and a second-order cylindrical vector beam by a gradient index Mikaelian lens.
A.G. Nalimov
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500th Anniversary of Gerard Mercator's Birth
Mercator was a geographer, mathematician, astronomer, globe producer, constructor of scientific instruments, copper engraver, cartographer, surveryor and publisher. The conformal cylindrical projection was named the Mercator projection after him.
Ivka Kljajić
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In this article, we proposed a multiparameter joint estimation algorithm based on the dual-polarized cylindrical conformal array (DCCA) in the presence of mutual coupling.
Chao Liu, Feiyang Zhou
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Murals carry cultural significance and historical information, and are an important channel for understanding ancient social norms, artistic styles, and religious beliefs.
Chunmei Hu +5 more
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On Helical Projection and Its Application in Screw Modeling
As helical surfaces, in their many and varied forms, are finding more and more applications in engineering, new approaches to their efficient design and manufacture are desired.
Riliang Liu, Haiguang Zhu
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Dome Over The Gdynia Seaport Building
The paper presents the description of structure and the selected problems of the technical condition, as well as the strength analysis of the thin-walled reinforced concrete shell which has been making a covering of the main hall of the Gdynia Seaport ...
Godycki-Ćwirko T. +2 more
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Subjective Assessment of 360° Image Projection Formats
Recently, the use of virtual reality has been spreading rapidly in many industrial fields, such as games and entertainment, and 360° contents are widely used in various applications of the virtual reality (VR) market.
Tran Thi Hai Uyen +3 more
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Piezoelectric line detector array for photoacoustic tomography
Photoacoustic tomography relies on a dense coverage of the surface surrounding the imaged object with ultrasound sensors in order to enable an accurate reconstruction.
Guenther Paltauf +3 more
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The propagation of monochromatic electromagnetic waves in metal circular cylindrical dielectric waveguides filled with inhomogeneous medium is considered.
Eugene Smolkin
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A new Three-Dimensional (3D) scene reconstruction method is proposed to meet the practical application requirement of the active cylindrical scanning millimeter-wave 3D imaging security apparatus.
Xie Pengfei, Zhang Lei, Wu Zhenhua
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