Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Sung-Jae Ha"'
Publikováno v:
JP Journal of Heat and Mass Transfer. :1-10
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::186b044a20be64c9c01e9a1a60f12929
https://doi.org/10.17654/hmsiii20001
https://doi.org/10.17654/hmsiii20001
Autor:
Sung-Jae Ha, Ji-Hoon Kwon
Publikováno v:
Korean Society of Technical Education and Training. 23:47-53
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d0b5795d2f627af1ca84c6548ab83545
https://doi.org/10.29279/kostet.2018.23.3.47
https://doi.org/10.29279/kostet.2018.23.3.47
Publikováno v:
IEEE Geoscience and Remote Sensing Letters. 12:289-293
In this letter, we propose a method for detecting a human subject using Doppler radar by investigating the physical characteristics of targets. Human detection has a number of applications in security, surveillance, and search-and-rescue operations.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d4c4f1f782d4905cbdca204497d8f5a0
https://doi.org/10.1109/lgrs.2014.2336231
https://doi.org/10.1109/lgrs.2014.2336231
Publikováno v:
Journal of electromagnetic engineering and science. 15:6-13
In this paper, a novel monopole antenna for WLAN/WiMAX application is presented. The proposed antenna consists of two arc-shaped strips, a vertical strip, and a slot in the ground plane. In this study, a prototype of the proposed triple-band antenna
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fd40a5cfc93eae35c05636bd86b0d4d4
https://doi.org/10.5515/jkiees.2015.15.1.6
https://doi.org/10.5515/jkiees.2015.15.1.6
Autor:
Gwon-Seok Sun, Sung-Jae Ha
Publikováno v:
The Journal of the Korea institute of electronic communication sciences. 9:1331-1336
In this study, we have implemented a PAM(Power Amplifier Module) with 25W output power using by cooperate divider/Combiner circuit in X-band to minimize combine loss on a Al2O3 substrate. The PAM(Power Amplifier Module) is consisted of MMIC and 10way
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5a4fe34062ae82b6cc67415db28a6f8c
https://doi.org/10.13067/jkiecs.2014.9.12.1331
https://doi.org/10.13067/jkiecs.2014.9.12.1331
Publikováno v:
Journal of electromagnetic engineering and science. 14:367-375
In this paper, a novel triple-band circular-ring monopole antenna with a half-circular ring and ground slot for wireless local area network/Worldwide Interoperability of Microwave Access (WLAN/WiMAX) applications is proposed. The proposed antenna con
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1b39b1f35fbfbeec18f78ef4b9b4f65d
https://doi.org/10.5515/jkiees.2014.14.4.367
https://doi.org/10.5515/jkiees.2014.14.4.367
Publikováno v:
Journal of Korean Institute of Intelligent Systems. 24:657-664
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::98c1f6cc83e02eeb7a12adfea01e45fb
https://doi.org/10.5391/jkiis.2014.24.6.657
https://doi.org/10.5391/jkiis.2014.24.6.657
Publikováno v:
The Journal of the Korea institute of electronic communication sciences. 9:1181-1187
In this paper, we implemented polar transmitt converter based on software for next generation digital wireless communication system. The implemented converter converted from rectangular to polar by CORDIC algorithm, and be made up of sweep for DDS ou
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2de95f1cee8aef0173531968005e0eae
https://doi.org/10.13067/jkiecs.2014.9.10.1181
https://doi.org/10.13067/jkiecs.2014.9.10.1181
Autor:
Yunseog Hong, Sung Jae Ha, Gi Ho Yun, Hee Jo Lee, Byung Hyun Kim, Jong-Gwan Yook, Sang-Gyu Kim
Publikováno v:
IEEE Transactions on Biomedical Circuits and Systems. 8:584-593
In this paper, a noncontact proximity vital sign sensor, using a phase locked loop (PLL) incorporated with voltage controlled oscillator (VCO) built-in planar type circular resonator, is proposed to enhance sensitivity in severe environments. The pla
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::366b9a25dae76c56e19236975f1e0ea4
https://doi.org/10.1109/tbcas.2013.2280913
https://doi.org/10.1109/tbcas.2013.2280913
Publikováno v:
Microwave and Optical Technology Letters. 41:68-70
In this paper, a dielectric resonator oscillator (DRO) for high output power and low phase noise is proposed. Two kinds of oscillators are designed and measured in this study. The first oscillator has an improved structure for high output power and l
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fbaa7d0adff75d2c5c2f86193bd404a2
https://doi.org/10.1002/mop.20049
https://doi.org/10.1002/mop.20049