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Research on the Acoustic Scattering Characteristics of Underwater Corner Reflector Linear Arrays [PDF]

open access: goldSensors
This manuscript aims to optimize the acoustic scattering characteristics of underwater corner reflector linear arrays through simulation analysis and experimental validation, thereby enhancing their application efficiency in underwater acoustic ...
Dawei Xiao   +3 more
doaj   +4 more sources

Research on the Elastic Loss Characteristics of Acoustic Echoes from Underwater Corner Reflector [PDF]

open access: goldSensors
The underwater corner reflector is a “concave” elastic structure, and its acoustic echo exhibits large elastic loss, which affects its practical use. To study the acoustic echo elastic loss characteristics of underwater corner reflectors, based on the ...
Yi Luo   +3 more
doaj   +3 more sources

Characteristics of an Eight-Quadrant Corner Reflector Involving a Reconfigurable Active Metasurface [PDF]

open access: goldSensors, 2022
The traditional corner reflector is a type of classical passive jamming equipment but with several shortcomings, such as fixed electromagnetic characteristics and a poor response to radar polarization.
Lin Gan   +3 more
doaj   +4 more sources

A corner reflector of graphene Dirac fermions as a phonon-scattering sensor [PDF]

open access: goldNature Communications, 2019
Dirac fermion optics leverages p-n junctions and Klein tunnelling barriers present in materials to implement complex optical functions and devices, including reflectors, collimators, and Dirac fermion microscopes.
H. Graef   +12 more
doaj   +4 more sources

A Method for Enhancing the Acoustic Scattering Characteristics of Underwater Acoustic Corner Reflectors in Vacuum Cavities [PDF]

open access: goldShock and Vibration, 2023
To alleviate the problem of unsatisfactory target strength and scattering stability of an underwater corner reflector, a method to enhance the acoustic scattering characteristics using a vacuum cavity as an acoustic reflecting layer is proposed ...
Jingzhuo Zhang, Dawei Xiao, Taotao Xie
doaj   +2 more sources

High-frequency backscattering properties of quasi-omnidirectional corner reflector: The great-icosahedral-like reflector [PDF]

open access: goldAIP Advances, 2022
The backscattering of perfectly conducting great-icosahedral-like reflectors is studied in the high-frequency domain. This particular faceted polyhedron, composed of 60 trihedral corner reflectors, is introduced to obtain closer omnidirectional ...
Lingang Wu   +3 more
doaj   +2 more sources

Fourier Expression of the Quantum Radar Cross Section of a Dihedral Corner Reflector [PDF]

open access: goldIEEE Photonics Journal, 2021
In this paper, a Fourier expression of the quantum radar cross section (QRCS) of a dihedral corner reflector is proposed, which avoids the problems caused by atomic sampling on the target-object surface and is a powerful tool for analyzing the scattering
Zhifu Tian, Di Wu, Tao Hu
doaj   +2 more sources

Corner reflector tag with RCS frequency coding by dielectric resonators [PDF]

open access: goldIET Microwaves, Antennas & Propagation, 2021
For a novel indoor‐localization system, chipless tags with high retro‐directive radar cross‐section (RCS) under wide‐angle incidence are required as fixed landmarks.
Ali Alhaj Abbas   +4 more
doaj   +2 more sources

GECORIS: An Open-Source Toolbox for Analyzing Time Series of Corner Reflectors in InSAR Geodesy [PDF]

open access: goldRemote Sensing, 2021
Artificial radar reflectors, such as corner reflectors or transponders, are commonly used for radiometric and geometric Synthetic Aperture Radar (SAR) sensor calibration, SAR interferometry (InSAR) applications over areas with few natural coherent ...
Richard Czikhardt   +2 more
doaj   +2 more sources

On the Design of Radar Corner Reflectors for Deformation Monitoring in Multi-Frequency InSAR [PDF]

open access: goldRemote Sensing, 2017
Trihedral corner reflectors are being increasingly used as point targets in deformation monitoring studies using interferometric synthetic aperture radar (InSAR) techniques.
Matthew C. Garthwaite
doaj   +2 more sources

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