Zobrazeno 1 - 10 of 13 pro vyhledávání: '"Geun Ho Choi"'
2
The Effect of Government Accountability on Crisis Management - A Case of MERS-CoV in Korea
Autor: Geun Ho Choi, Tae Ho Eem
Publikováno v: Crisis and Emergency Management: Theory and Praxis. 14:1-17
본 연구는 2015년 우리나라의 메르스 위기관리 사례를 바탕으로 기존의 선행연구에서 기술적⋅관리 적 대응 수준에서 논의되었던 정부조직의 위기관리를 위기관리 커뮤니케이션과 정부조
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::93b4a07d60fe411ec10f25e74fb31d1f
https://doi.org/10.14251/crisisonomy.2018.14.1.1
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8
Design of Low-Power 24 GHz Voltage-Controlled Oscillator
Autor: Jee-Youl Ryu, Jae-Hwan Lim, Murod Kurbanov, Habib Rastegar, Shin-Gon Kim, Myeong-U Sung, Pushpa Chandrasekar, Geun-Ho Choi
Publikováno v: AETA 2016: Recent Advances in Electrical Engineering and Related Sciences ISBN: 9783319509037
This paper proposes a 24 GHz voltage-controlled oscillator (VCO) for the short range automotive collision avoidance radar. A low power and small area in fully-differential configuration has been proposed. The proposed circuit is implemented using TSM
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::dc48a05894defe3df52f40e8c6205d32
https://doi.org/10.1007/978-3-319-50904-4_84
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9
A Low-Noise and Low-Power LNA and Mixer for 24-GHz Application
Autor: Cheol-Hwan Kim, Abu Abdoulaye Tall, Seung-Kyu Choi, Shin-Gon Kim, Jee-Youl Ryu, Habib Rastegar, Ki-Jung Han, Geun-Ho Choi, Seung-Woo Choi, Myeong-U Seong
Publikováno v: Advanced Science and Technology Letters.
This paper presents the design of a low-voltage and low-power frontend. It consists of a low noise amplifier (LNA) which integrates with mixer, and downconverts an 24-GHz RF input signal to an IF of 8-GHz. The first stage (LNA) uses complementary-pus
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2bfe99b3532254094a61bd5d120e7d34
https://doi.org/10.14257/astl.2014.74.09
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10
A New CMOS Programmable Gain Amplifier with a DC-offset Cancellation Circuit
Autor: Geun-Ho Choi, Abou Tall, Cheol-Hwan Kim, Seung-Woo Choi, Ki-Jung Han, Gyu-Min Heo, Seung-Kyu Choi, Shin-Gon Kim, Jee-Youl Ryu, Myeong-U Seong, Habib Rastegar
Publikováno v: Advanced Science and Technology Letters.
In this paper, we present a new low-power Programmable Gain Amplifier (PGA) with a DC-offset cancellation to reduce chip area, cost and power. The PGA adjusts 8-level gains from 4dB to 60dB using the 8 CMOS switches and 16 passive resistors in parall
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9b4e634a8d2f8742ee78f2c6d4872812
https://doi.org/10.14257/astl.2014.74.10
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