Zobrazeno 1 - 10
of 29
pro vyhledávání: '"Youngseok Bae"'
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:
IEEE Access, Vol 9, Pp 63559-63566 (2021)
A photonic radar has recently received considerable interest as a next-generation radar due to its capability to generate wideband signals beyond the technical limitations of the conventional radar. In this paper, we design and implement an ${X}$ -ba
Externí odkaz:
https://doaj.org/article/1aa73fcb0acd48e79c3234a68358c886
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:
Applied Sciences, Vol 10, Iss 18, p 6558 (2020)
In this paper, we propose an X-band photonic-based pulsed radar architecture with a high range resolution. The proposed architecture is operated as a pulsed radar by adding a Mach-Zehnder modulator (MZM) operating as an optical switch to a transmitte
Externí odkaz:
https://doaj.org/article/f79b7cc120164f0184eba2660270836d
Autor:
Jeongbin Nam, Joon Hyung Ryoo, Youngseok Bae, Minwoo Yi, Sunghoon Jang, Sungjun Yoo, Jinwoo Shin
Publikováno v:
The Journal of Korean Institute of Electromagnetic Engineering and Science. 32:215-222
Publikováno v:
IEEE Access, Vol 9, Pp 63559-63566 (2021)
A photonic radar has recently received considerable interest as a next-generation radar due to its capability to generate wideband signals beyond the technical limitations of the conventional radar. In this paper, we design and implement an ${X}$ -ba
Autor:
Seong-Ho Kim, Sanghyuk An, Youngseok Bae, Byungha Lee, Kyung-Seung Yang, Songyi Choi, Young-Hyun Lee
Publikováno v:
IEEE Transactions on Plasma Science. 47:2343-2346
The recoil force that causes the rearward movement of the gun is generated during firing a railgun as a conventional gun. According to Newton’s third law, it should be equal to the electromagnetic force that accelerates an armature. It continues to