Zobrazeno 1 - 10
of 113
pro vyhledávání: '"Doyoung Jang"'
Publikováno v:
IEEE Access, Vol 12, Pp 137533-137541 (2024)
In this paper, we propose a dual-band shared-aperture antenna composed of array elements with high electromagnetic (EM) transparency. To increase EM transparency, the antenna consists of an optimized substrate with low effective permittivity by combi
Externí odkaz:
https://doaj.org/article/57fbb8f5af4f45ee958e650167132ff6
Publikováno v:
IEEE Access, Vol 12, Pp 21199-21206 (2024)
In this paper, we propose an S/X-band shared-aperture array antenna with a mutual complementary design to improve the electromagnetic (EM) transparent characteristics. A unit-cell of the proposed antenna includes one dual-loop element for the S-band
Externí odkaz:
https://doaj.org/article/20187d6f2afd4bcca66d2527eb9133d0
Publikováno v:
Applied Sciences, Vol 14, Iss 19, p 8632 (2024)
This paper proposes a novel feed array antenna to achieve a uniform electric field distribution in the near-field region for feeding a large-aperture antenna. The feed antenna has a 4 × 4 rectangular array configuration to obtain uniform near-field
Externí odkaz:
https://doaj.org/article/81c35c2e31d648f68a9b8f7a7a944fb0
Broadband All-Metal Vivaldi Array Antenna with Pyramidal-Shaped Wings for LEO Satellite Applications
Publikováno v:
Journal of Electromagnetic Engineering and Science, Vol 23, Iss 5, Pp 405-411 (2023)
In this paper, we propose an all-metal Vivaldi antenna with pyramidal-shaped conductive wings for use in satellite signal intelligence applications. The inner metal Vivaldi antenna consists of radiating flares and a transition part between the feeder
Externí odkaz:
https://doaj.org/article/e6fa76f093724658932e45552e320a9b
Publikováno v:
Remote Sensing, Vol 16, Iss 13, p 2379 (2024)
This paper presents a Kriging interpolation method for constructing a database of atmospheric refractivity in Korea. To collect as much data as possible for the interpolation, meteorological data from 120 regions of Korea, including both land and sea
Externí odkaz:
https://doaj.org/article/c0d2540b3d6f4b2781e92db8b9b0be3e
Publikováno v:
Remote Sensing, Vol 16, Iss 4, p 674 (2024)
This paper presents a method for predicting atmospheric duct conditions from a clutter power spectrum using deep learning. To accurately predict the duct conditions, deep learning with a binary classification is applied to the proposed refractivity f
Externí odkaz:
https://doaj.org/article/6516a4e5fa134539aa8fe758a6e36c7c
Publikováno v:
Applied Sciences, Vol 14, Iss 4, p 1571 (2024)
In this paper, we propose a stacked dual-patch antenna with 3D printed thick quasi-air substrates and a cavity wall for wideband applications. To achieve the theoretical maximum bandwidth of the patch antenna, the quality factor of the system needs t
Externí odkaz:
https://doaj.org/article/1b3ae0cb9b814ce08099b8af3164fbf2
Publikováno v:
Journal of Electromagnetic Engineering and Science, Vol 22, Iss 3, Pp 319-325 (2022)
This article proposes the S/X band dual-loop shared-aperture 2 × 2 array antenna, which is constructed using a unit-cell having one S-band element stacked on 3 × 3 X-band elements. The unit-cell employs a coupled-fed dual-loop structure with a dire
Externí odkaz:
https://doaj.org/article/1494d5301ae242e68459bfc9ee3da763
Publikováno v:
Applied Sciences, Vol 13, Iss 7, p 4379 (2023)
This paper proposes an S/X-band single-layer shared-aperture array antenna for the multifunction radars of military ships. A unit cell of the proposed antenna consists of one S-band element and four X-band elements. The S- and X-band elements are pri
Externí odkaz:
https://doaj.org/article/b821b535ccbb4ce1be3120ab992c90eb
Publikováno v:
IEEE Access, Vol 9, Pp 152749-152755 (2021)
In this paper, we propose a design for an on-glass 5G monopole antenna for a vehicle window glass. The proposed antenna consists of a monopole resonator, an inductive line, and a co-planar waveguide (CPW), which can adjust the phase so that the curre
Externí odkaz:
https://doaj.org/article/c721760e383a47739fdedfd6b1b309a5