Zobrazeno 1 - 10
of 43
pro vyhledávání: '"Suk-Youb Kang"'
Publikováno v:
International Journal of Antennas and Propagation, Vol 2014 (2014)
The meander line employing periodic ground structure (MLEPGS) was fabricated on GaAs substrate for application to miniaturization of RF components on MMIC, and its RF characteristics were thoroughly investigated. The MLEPGS with a length of λ/8 show
Externí odkaz:
https://doaj.org/article/c2f6a3c6d7ba4196ab7fe6d36cd35512
Publikováno v:
Microwave and Optical Technology Letters. 53:1980-1983
This letter describes a broadband planar antenna embedded in LTE700/GSM handheld terminals. The antenna consists of a T-shaped strip fed by a 50-Ω coaxial cable and a shorted strip excited by capacitive coupling. The capacitively coupled shorted str
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ab0098c120abfcef3c9eb2ecdc0573b5
https://doi.org/10.1002/mop.26211
https://doi.org/10.1002/mop.26211
Publikováno v:
The Journal of the Korean Institute of Information and Communication Engineering. 15:265-272
This study designed and manufactured "a DVOR virtual signal generator" to make the monitoring system of preliminary Doppler VHF Omni-directional Radio Range(DVOR) run like its real operation status in a narrow space in order to study "a DVOR virtual
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bb9ac28d4ab254d104f5157cb94c40ae
https://doi.org/10.6109/jkiice.2011.15.2.265
https://doi.org/10.6109/jkiice.2011.15.2.265
Publikováno v:
Journal of the Korean Society of Marine Engineering. 34:840-845
In this paper, short-wavelength transmission line employing periodically arrayed capacitive devices (PACD) structures were developed for application to a development of miniaturized on-chip passive components on GaAs monolithic microwave integrated c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6dfb823df0bfe03101cc9fd8b08f6b42
https://doi.org/10.5916/jkosme.2010.34.6.840
https://doi.org/10.5916/jkosme.2010.34.6.840
Publikováno v:
The Journal of the Korean Institute of Information and Communication Engineering. 14:1270-1276
In this paper, Quad-Band small antenna for GSM850, GSM900, DCS1800, DCS1900 is designed and fabricated. The antenna achieved the size reduction of over 67.9 % than the conventional PIFA(Planar Inverted-F Antenna) by using a MD(Magneto-Dielectric) mat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c77846089675e04edd182d2ce344c339
https://doi.org/10.6109/jkiice.2010.14.5.1270
https://doi.org/10.6109/jkiice.2010.14.5.1270
Publikováno v:
The Journal of the Korean Institute of Information and Communication Engineering. 14:983-990
In this paper, we designed and implemented the MIMO antenna for LTE(Long Term Evolution), supposed to be a next generation communications network, DCS1800, DCS1900 and WCDMA. Using conventional monopole antenna with MD material results in good charac
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f5cc497a6f57fa8ccf7027c2ab953879
https://doi.org/10.6109/jkiice.2010.14.4.983
https://doi.org/10.6109/jkiice.2010.14.4.983
Publikováno v:
The Journal of the Korean Institute of Information and Communication Engineering. 14:991-998
In realization of wireless home network system using speech recognition in indoor voice recognition environment, background noise and reverberation are two main causes of digression in voice recognition system. In this study, the home network system
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d06a2ae5b77bdfafb768ad02394b4ba6
https://doi.org/10.6109/jkiice.2010.14.4.991
https://doi.org/10.6109/jkiice.2010.14.4.991
Publikováno v:
The Journal of Korean Institute of Electromagnetic Engineering and Science. 21:417-426
This paper describes the 6-way power divider to be used as a feeding structure of the waveguide array antenna generating the plane wave at the near distance. The SMA connector has been connected at the center of the power divider in order to feed the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f12d8bc6e097e39a0caba4ea8af4b6a7
https://doi.org/10.5515/kjkiees.2010.21.4.417
https://doi.org/10.5515/kjkiees.2010.21.4.417
Publikováno v:
Journal of the Korean Society of Marine Engineering. 33:144-152
This paper propose highly miniaturized active phase difference power divider and combiner for application to wireless communication system. The conventional passive power divider and combiner cannot be integrated on MMIC because of their very large c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::387d91aa5abbbe105a533cc96cdfe0bf
https://doi.org/10.5916/jkosme.2009.33.1.144
https://doi.org/10.5916/jkosme.2009.33.1.144
Publikováno v:
Journal of the Korean Society of Marine Engineering. 33:159-165
In this study, using a periodical ground structure(PGS) on GaAs monolithic microwave integrated circuit(MMIC), transmission line with a high isolation characteristic was developed for application to compact signal/bias lines of highly integrated MMIC
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f2d576436a11000b7cab444a1d1a9cc5
https://doi.org/10.5916/jkosme.2009.33.1.159
https://doi.org/10.5916/jkosme.2009.33.1.159