Zobrazeno 1 - 10
of 43
pro vyhledávání: '"Manseok Uhm"'
Publikováno v:
2022 27th Asia Pacific Conference on Communications (APCC).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::438d600cadb2fe8595e27e22c349170a
https://doi.org/10.1109/apcc55198.2022.9943589
https://doi.org/10.1109/apcc55198.2022.9943589
Autor:
Zoja A. Janukian, R.A. Kolesnikov, Vladimir V. Denisenko, Vladimir N. Kozlov, Yurij B. Korchemkin, Manseok Uhm, A. V. Shishlov, S.H. Yun, Alexander M. Shitikov, Yjuri V. Krivosheev
Publikováno v:
2020 7th All-Russian Microwave Conference (RMC).
The concept of an active phased array antenna made on a multilayer printed circuit board is presented. Main parts of the antenna are considered. Feasibility of the antenna is discussed.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e1871c2a035ef9d994844d588ad821e2
https://doi.org/10.1109/rmc50626.2020.9312235
https://doi.org/10.1109/rmc50626.2020.9312235
Publikováno v:
2019 8th Asia-Pacific Conference on Antennas and Propagation (APCAP).
In this paper, a 4th-order K-band tunable cavity resonator filter is introduced. The tunable filter uses a dual TE211 mode cavity to reduce the size and the mass of the filter. To improve selectivity, two TE011 mode cavities are coupled to the duel T
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8e7d52d3a83a283b8f5a6a8985c6c6dd
https://doi.org/10.1109/apcap47827.2019.9471944
https://doi.org/10.1109/apcap47827.2019.9471944
Publikováno v:
2019 8th Asia-Pacific Conference on Antennas and Propagation (APCAP).
In this paper, we design a waveguide input channel filter that can be used in the Ka-band next generation satellite payloads. The designed input channel filter adopts the eighth order and uses circular waveguide cavities with a dual resonance mode in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::927730a5afa7a83b600befb13f456ebf
https://doi.org/10.1109/apcap47827.2019.9472006
https://doi.org/10.1109/apcap47827.2019.9472006
Publikováno v:
IEEE Microwave and Wireless Components Letters. 25:367-369
In this letter, we present a design method for K-band substrate-integrated waveguide (SIW) resonator filters utilizing ${\rm TM}_{02}$ mode. More importantly, a methodology for suppressing an unwanted higher-order mode ( ${\rm TM}_{11}$ ) close to th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b798bfa302e3300277f584da709dc978
https://doi.org/10.1109/lmwc.2015.2421313
https://doi.org/10.1109/lmwc.2015.2421313
Publikováno v:
Electronics Letters. 51:266-268
Tunable filters using the TE011 mode have slot irises for coupling between cavities. Unless the slot iris is appropriately designed, the coupling value of the iris varies as an operating frequency changes and the filter performance deteriorates as a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5cf4316e4e529dd65e5500f46fc99b5d
https://doi.org/10.1049/el.2014.3552
https://doi.org/10.1049/el.2014.3552
Publikováno v:
ETRI Journal. 35:718-721
This letter proposes a novel calibration method for a multiport amplifier (MPA) to achieve optimum port-to-port isolation by correcting both the amplitude and phase of the calibration signals. The proposed architecture allows for the detection of the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2d3c4f042934c72f1db95ae1ff2a440c
https://doi.org/10.4218/etrij.13.0212.0534
https://doi.org/10.4218/etrij.13.0212.0534
Publikováno v:
The Journal of Korean Institute of Electromagnetic Engineering and Science. 23:756-759
This paper presents the multibeam service coverage of GEO(Geostationary Orbit) satellite and the practical antenna scheme scenarios to provide the universal communication services on the Korean peninsula. The proposed antenna systems consist of the s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fa59e8003c3e098b6f3a466710c8c58d
https://doi.org/10.5515/kjkiees.2012.23.6.756
https://doi.org/10.5515/kjkiees.2012.23.6.756
Publikováno v:
The Journal of Korean Institute of Electromagnetic Engineering and Science. 23:449-456
Herein, we design a wideband waveguide Butler matrix in order to use in a multi-port amplifiers(MPAs) at Ka-band. To achieve the broadband characteristic, we design a binomial 6-slot 3 dB directional coupler which is used to configure the Butler matr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::599f1fc51c1d62a70f2129a78abc4f66
https://doi.org/10.5515/kjkiees.2012.23.4.449
https://doi.org/10.5515/kjkiees.2012.23.4.449
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. 55:2157-2167
This paper presents a new synthesis method for resonator filters of arbitrary topology using an evolutionary hybrid method. This method consists of a Levenberg-Marquardt algorithm for a local optimizer and genetic algorithm for a global optimizer, re
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bd8aeb669d17ca30242f52fa6bfac0c2
https://doi.org/10.1109/tmtt.2007.906505
https://doi.org/10.1109/tmtt.2007.906505