Results 21 to 30 of about 29,016 (334)
A Analysis for Calibration Site Selection of SAR Satellite [PDF]
Journal of Astronomy and Space Sciences, 2009 CALVAL (Calibration & Validation) shall consider payloads characteristics because satellites have one and/or several payloads in order to perform their various missions.
Jung-Hoon Keum, Sung-Woong Ra
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Antenna With Corner Reflector Based on Solar Cells [PDF]
E3S Web of Conferences, 2023 The work explores the possibility of forming a reflector for an antenna system based on solar panels. The reflector design is formed on the basis of two solar panels, which form a corner reflector. Conducted studies show that the use of solar panels as a
Barannikov Ilya +5 more
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Solid Model Bridge Static Damage Monitoring Based on GBSAR [PDF]
Journal of Geodesy and Geoinformation Science, 2022 Bridge deformation monitoring usually adopts contact sensors, and the implementation process is often limited by the environment and observation conditions, resulting in unsatisfactory monitoring accuracy and effect. Ground-Based Synthetic Aperture Radar
Sichun LONG,Xiaoqin YUAN,Shide LU,Wenting LIU,Jinyu MA,Wenhao WU,Chuanguang ZHU
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EPJ Applied Metamaterials, 2020 We demonstrate corner cloak operations mimicking a corner reflector and hiding objects in a truncated corner. The corner cloak is designed at 18.25 GHz and implemented by nonresonant artificial dielectric sheets stacked onto the bottom hypotenuse.
Takano Yuma, Sanada Atsushi
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ECE/SAE Dual Functional SuperPin Plus Curved Reflex Reflector by Use of New Structured Corner Cubes
Applied Sciences, 2020 We propose and demonstrate, using optical experiments, a new reflex reflector structure called SuperPin Plus. The structure is composed of special pin groups with dihedral-angle offsets in corner cubes.
Hien-Thanh Le +7 more
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A Development of Reflector for CAL/VAL of SAR Satellite [PDF]
Journal of Astronomy and Space Sciences, 2009 The payload can be classified as a passive and active type. Generally radar satellite to acquire specific information through various radar images will use the SAR (Synthetic Aperture Radar) as active type payload.
Jung-Hoon Keum, Sung-Woong Ra
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Optical equipment for measuring deformation of machine tool components [PDF]
, 2016 This paper describes the possibilities of measuring deformation of machine tool components based on monitoring change in the optical beam path. Deformation is evaluated relatively between an optical beam source and a sensing element.
Chládek Š. +3 more
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CPW Fed Wideband Corner Bent Antenna for 5G Mobile Terminals
IEEE Access, 2019 A co-planar waveguide fed slot antenna element with 34% impedance bandwidth and 2-3 dBi broadside gain is proposed. The corner bent topology of the element is investigated for reduced physical footprint and easier integration with the mobile terminals ...
G. S. Karthikeya +2 more
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Moving Target Simulation of Multi-Band Radar Based on Doppler Frequency Signal Generation Technology [PDF]
Radioengineering, 2023 This paper proposes a corner reflector and Luneburg ball reflector group. The omnidirectional radar cross-sectional (RCS) distribution characteristics of a fighter are simulated using the sharp and smooth RCS distribution features of the corner and the ...
J. Hao, X. Wang, X. Sun, H.n Gao, L. Zou
doaj
Intelligent Target Design Based on Complex Target Simulation
Applied Sciences, 2022 The emergence and popularization of various fifth-generation fighter jets with supersonic cruise, super maneuverability, and stealth functionalities have raised higher and more comprehensive challenges for the tactical performance and operational ...
Jiaxing Hao +5 more
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