Zobrazeno 1 - 10
of 48
pro vyhledávání: '"Seog Tae Han"'
Autor:
Andrey Khudchenko, Andrei V. Smirnov, Sergey Turygin, Mikhail Andrianov, Vladimir Kostenko, Andrey M. Baryshev, Evgeniy Golubev, Roman Cherny, Andrey Andrianov, Andrey Ozolin, I. Tretyakov, Mikhail Arkhipov, Valery P. Koshelets, Ronald Hesper, Seog-Tae Han, Jung-Won Lee, Taehyun Jung, Alexey Rudnitskiy, Sergey F. Likhachev
Publikováno v:
Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy XI.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::27980a8d148ea35e3d9fbad386b3b8c0
https://doi.org/10.1117/12.2630728
https://doi.org/10.1117/12.2630728
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 27, Iss 3, Pp 239-244 (2010)
A simulation for the design of a 90o differential phase shifter aimed toward Korean VLBI Network (KVN) 129 GHz band polarizer is described in this paper. A dual-circular polarizer for KVN 129 GHz band consists of a 90o differential phase shifter an
Externí odkaz:
https://doaj.org/article/6e83dd4563a143a4b39b39ae5f8004aa
Autor:
Do-Heung Je, Seog-Tae Han, Tae-Sung Kim, Hyun-Joo Kim, Kang-Dong Kim, Moon-Hee Chung, Chang-Hoon Lee, Duk-Goo Roh
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 21, Iss 1, Pp 29-38 (2004)
A ultra low noise Q-band HEMT receiver for VLBI has been developed using a local oscillator with a very high phase stability. The performance of receiver was verified by comparison with receivers which were developed at the other countries. The recei
Externí odkaz:
https://doaj.org/article/ad08c1246956489cbad06239a46d5c95
Autor:
Seog-Tae Han, Jung-Won Lee, Moon-Hee Chung, Seog-Oh Wi, Bangwon Lee, Paul F. Goldsmith, Sung-Mo Lee, Do-Heung Je
Publikováno v:
Journal of Infrared, Millimeter, and Terahertz Waves. 38:1487-1501
A novel receiver optical system designed for Korean VLBI Network (KVN) has been used for conducting simultaneous millimeter-wave very long baseline interferometry (VLBI) observations at frequencies of 22, 43, 86, and 129 GHz. This multi-frequency ban
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::18346389f2e8edcbcbe3149a15b949f9
https://doi.org/10.1007/s10762-017-0438-2
https://doi.org/10.1007/s10762-017-0438-2
Autor:
Bong Won Sohn, Maria Rioja, Richard Dodson, Do-Young Byun, Mareki Honma, Pablo De Vicente, Seog-Tae Han, Taehyun Jung, Jamie Stevens
Publikováno v:
Journal of The Korean Astronomical Society. 48:277-284
We present our efforts for extending the simultaneous multi-frequency receiver system of the Korean Very Long Baseline Interferometry (VLBI) Network (KVN) to global baselines in order to measure the frequency-dependent position shifts in Active Galac
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::59aa7689aaa32a7ebdaea476775d288b
https://doi.org/10.5303/jkas.2015.48.5.277
https://doi.org/10.5303/jkas.2015.48.5.277
Publikováno v:
The Journal of Korean Institute of Electromagnetic Engineering and Science. 26:851-868
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::75813f595758bcd97513dffe13872905
https://doi.org/10.5515/kjkiees.2015.26.10.851
https://doi.org/10.5515/kjkiees.2015.26.10.851
Publikováno v:
The Journal of Korean Institute of Electromagnetic Engineering and Science. 24:1215-1218
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1722cb41710b02f23e875452490a447b
https://doi.org/10.5515/kjkiees.2013.24.12.1215
https://doi.org/10.5515/kjkiees.2013.24.12.1215
Autor:
Minkyu Song, Do-Young Byun, Moon-Hee Chung, Won-Kyu Lee, Seog-Oh Wi, Do-Heung Je, Seog-Tae Han, Yong-Woo Kang, Taehyun Jung, Seung-Rae Kim, Bong Won Sohn, Soo-Yeon Kim
Publikováno v:
Publications of The Korean Astronomical Society. 28:95-100
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9f148944fdcd10b3fea9be51466aaf89
https://doi.org/10.5303/pkas.2013.28.3.095
https://doi.org/10.5303/pkas.2013.28.3.095
Autor:
Do-Heung Je, Yong-Woo Kang, Tetsuo Sasao, Soo-Yeon Kim, Do-Young Byun, Moon-Hee Chung, Paul F. Goldsmith, Jungwon Lee, Minkyu Song, Chung Sik Oh, Sang-Sung Lee, Richard Wylde, Jiman Kang, Seog-Tae Han, Seog-Oh Wi
Publikováno v:
Publications of the Astronomical Society of the Pacific. 125:539-547
We have developed a new millimeter wave receiver system with input optics that support simultaneous observations in four bands of 22, 43, 86, and 129 GHz to facilitate calibrating tropospheric phase fluctuations for millimeter-wave VLBI observations.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::63460435ee2aa3bf8c853905fec02754
https://doi.org/10.1086/671125
https://doi.org/10.1086/671125
Autor:
Seog-Oh Wi, Seog-Tae Han, Do-Heung Je, Choong-Sik Oh, Jungwon Lee, Soo-Yeon Kim, Yong-Woo Kang, Jiman Kang, Do-Young Byun, Moon-Hee Chung, Minkyu Song
Publikováno v:
Proceedings of 11th European VLBI Network Symposium & Users Meeting — PoS(11th EVN Symposium).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bc06bcb07a1e5528dcfed430dbe371cb
https://doi.org/10.22323/1.178.0059
https://doi.org/10.22323/1.178.0059