Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Hyo-Sang Jeong"'
Publikováno v:
Photonics, Vol 11, Iss 2, p 143 (2024)
Multi-channel radio frequency (RF) signal generation, facilitated by photonic technology, offers significant potential for generating coherent signals with a high frequency and low phase noise, providing multifunctional capabilities across diverse pl
Externí odkaz:
https://doaj.org/article/fdba9ee821f64cd486fa21c57394ec35
Publikováno v:
Journal of Electromagnetic Engineering and Science, Vol 22, Iss 3, Pp 395-397 (2022)
We theoretically evaluate the performance of spurious-tone suppression of a multi-loop optoelectronic oscillators (MOEO) based on closed-loop analysis. Spurious tones are unwanted oscillation signals due to the cavity effect of long-length optical fi
Externí odkaz:
https://doaj.org/article/517dabdcbcd643a2b76854a46ee8fcab
Publikováno v:
Photonics, Vol 10, Iss 5, p 498 (2023)
Light detection and ranging (LiDAR) and optical wireless communication (OWC) are in high demand and rapidly developing owing to the explosive growth of smart systems that require automotive and mobile devices. Optical phased arrays (OPA) have become
Externí odkaz:
https://doaj.org/article/f819dabfd3d249019bd84806cd01d1da
Publikováno v:
Photonics, Vol 9, Iss 5, p 339 (2022)
In this study, the oscillation signal stabilization and spurious tone suppression of a directly modulated optoelectronic oscillator (DM-OEO) are simultaneously achieved by modulating a laser with a low-frequency radio frequency (RF) signal. The laser
Externí odkaz:
https://doaj.org/article/5ec5637596f24c2c908f6e27eb4c6321
Publikováno v:
Photonics, Vol 8, Iss 4, p 130 (2021)
The performance of optical M-level (multi-level) amplitude shift keying (ASK) modulation is improved by directly using modulated optically injection-locked (OIL) semiconductor lasers. The direct modulation performance of free-running and OIL semicond
Externí odkaz:
https://doaj.org/article/f37b5dd7db3e4d33b154a1ca9b915d3d
Publikováno v:
Journal of Electromagnetic Engineering & Science; May2022, Vol. 22 Issue 3, p395-397, 3p
Publikováno v:
Journal of Biomedical Engineering Research. 33:53-58
Intraoperative surgical microscope is an essential surgical equipment. However, it has a restriction to classify the retina layers because of the contrast differences. To solve this problem, operators use surgical instrument such as an intraocular mi
Autor:
Ji-In Kim, Hyo-Sang Jeong
Publikováno v:
Korean Journal of Health Policy and Administration. 19:111-126
The purposes of this study were (1) to describe the effects of transformational leadership and transactional leadership on the hospital member`s organizational commitment and turnover intention, (2) to provide with fundamental data in enhancing organ