Zobrazeno 1 - 10
of 13 343
pro vyhledávání: '"RADAR CROSS SECTION"'
Autor:
Weijia Zhang, Xuejing Cao, Xue Cheng, Tianfang Wei, Dongqin Sun, Zhaowei Wang, Nutapong Somjit, Calvin Choi, Shaomin Cai
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-17 (2024)
Abstract This study aims to provide a non-contact detection of liquid composition inside containers using Microwave Radar Cross-section (RCS) measurement technology. Firstly, it analyzes the limitations of traditional near-infrared spectroscopy metho
Externí odkaz:
https://doaj.org/article/ef8c5f3f204d4a619792a12bbc9377e4
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-13 (2024)
Abstract This study proposes and experimentally validates a multifunctional, ultra-wideband polarization conversion metasurface. The design integrates polarization conversion and electromagnetic scattering functions into a single structure, enabling
Externí odkaz:
https://doaj.org/article/8cd046bae97d4f69b0bbdf9fe21c44f5
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-14 (2024)
Abstract The work report on architecture of integrated frequency selective meta-surface (IFSMS) absorbers for aerospace stealth applications. Fabricated IFSMS comprised of a pattern metasurface integrated with dielectric interlayer and conducting gro
Externí odkaz:
https://doaj.org/article/b54ae113c04b40e5aec2da29cf49ad5e
Autor:
Coşkun, Aysu, Bilicz, Sándor
Publikováno v:
COMPEL -The international journal for computation and mathematics in electrical and electronic engineering, 2024, Vol. 43, Issue 3, pp. 507-518.
Publikováno v:
Journal of Electromagnetic Engineering and Science, Vol 24, Iss 5, Pp 458-466 (2024)
In this paper, a hybrid checkerboard metasurface is proposed for controlling radar cross-sections (RCSs) using a small number of active devices. The proposed metasurface consists of passive and active artificial magnetic conductors. The passive metas
Externí odkaz:
https://doaj.org/article/454132afdc1e4e2481b7cbc659b830e2
Simplistic metasurface design approach for incident angle and polarization insensitive rcs reduction
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-12 (2024)
Abstract This paper proposes the design of a metasurface for polarization and incident angle-insensitive RCS reduction applications. An ellipse-shaped unit cell is utilized as a polarization converter, which is then arranged to form a checkerboard su
Externí odkaz:
https://doaj.org/article/4eae4914c4d74f47a90a2798dacad7f8
Autor:
Mengrong Xi, Yongjiu Feng, Zhenkun Lei, Pengshuo Li, Rong Wang, Panli Tang, Xiaoyan Tang, Xiaohua Tong
Publikováno v:
International Journal of Digital Earth, Vol 17, Iss 1 (2024)
The geometric positioning accuracy of synthetic aperture radar images is a key factor impacting their application, necessitating geometric calibration for improved accuracy. Traditional geometric calibration methods rely on ground calibration fields
Externí odkaz:
https://doaj.org/article/4f37ada77f3243fe9f4421086903da89
Publikováno v:
Nanophotonics, Vol 13, Iss 19, Pp 3737-3748 (2024)
Retroreflectors can scatter the arbitrarily incident wave back to incoming direction, demonstrating great potential in wireless communication. However, there are limitations in adaptive retroreflection and polarization modulation with the existing re
Externí odkaz:
https://doaj.org/article/188270471fbc4953b1925fbdbec38acf
Autor:
ZHAO Qijun
Publikováno v:
Hangkong gongcheng jinzhan, Vol 15, Iss 3, Pp 143-150 (2024)
High requirements have been placed on the stealth performance of armed helicopters during wartime missions，in order to reduce the probability of the helicopter being found during the task，based on geometric optics method and consistent diffractio
Externí odkaz:
https://doaj.org/article/89a771c6128f4c8d8d0410a8c059d0e8
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