Zobrazeno 1 - 10
of 71
pro vyhledávání: '"Sungjun Yoo"'
Publikováno v:
Micromachines, Vol 14, Iss 7, p 1296 (2023)
This paper proposes a FMCW radar transceiver with photonic elements. The proposed radar system is efficiently designed by budget analysis, and a wideband signal is generated using photonic elements. To verify the performance of the proposed radar sys
Externí odkaz:
https://doaj.org/article/8d222364fc704ed3a767b5582f576e6b
Publikováno v:
Journal of Electromagnetic Engineering and Science, Vol 19, Iss 4, Pp 266-271 (2019)
This article proposes the design of a coupled-fed printed dipole antenna for direction finding (DF) systems. The antenna consists of a radiating 50° angled expanded-arm printed dipole as well as a fan-shaped feeder that is located on the opposite si
Externí odkaz:
https://doaj.org/article/fb1855a35efe4c5ca37b33f40186ba14
Publikováno v:
Journal of the Korean Institute of Electromagnetic Engineering and Science, Vol 19, Iss 1, Pp 13-19 (2019)
This paper proposes a systematic method for estimating detection performances of a frequency-modulated continuous wave radar using electromagnetic simulations. The proposed systematic method includes a radar system simulator that can obtain range-Dop
Externí odkaz:
https://doaj.org/article/53eac550de3b415b8333d106f65b10f9
Publikováno v:
The Journal of Korean Institute of Electromagnetic Engineering and Science. 34:145-154
Publikováno v:
Results in Physics, Vol 16, Iss , Pp 102881- (2020)
This article proposes the resonant transmission characteristic through the periodic subwavelength metal-insulator-metal (MIM) waveguide on a quartz plate at terahertz frequencies. By applying the multiregion problem to the mode matching technique (MM
Externí odkaz:
https://doaj.org/article/87af31bd4bc14f48b6053859f11c0c9b
Publikováno v:
Micromachines; Volume 14; Issue 7; Pages: 1296
This paper proposes a FMCW radar transceiver with photonic elements. The proposed radar system is efficiently designed by budget analysis, and a wideband signal is generated using photonic elements. To verify the performance of the proposed radar sys
Publikováno v:
Applied Sciences, Vol 11, Iss 13, p 5811 (2021)
Digitized beam-forming metal reflectarray antennas are designed for the millimeter-wave region. The phase control of antennas has been implemented by the reconfiguration of rectangular grooves on a metal plate. The antenna has 1147 elements arranged
Externí odkaz:
https://doaj.org/article/c5ca2a8622d944f3b6cf932569f57cd1
Publikováno v:
Photonics, Vol 8, Iss 3, p 80 (2021)
The radio frequency (RF) signal generation method using an external modulator is widely used in microwave photonics applications because it has the advantage of being able to generate coherent and stable RF signals with a higher resolution performanc
Externí odkaz:
https://doaj.org/article/7aaaf423af444d5db03c56d99195458c
Publikováno v:
Journal of the Korea Institute of Military Science and Technology. 24:610-618
In this paper, a photonic-based microwave system technology is described, and a traveling-wave electro-optic modulator is designed and manufactured as a key component. The fabricated modulator is composed of a metal diffusion waveguide for optical tr
Publikováno v:
The Journal of Korean Institute of Electromagnetic Engineering and Science. 32:933-941