Search Results - "Woo Kim, Dong"

Luminosity Evolution of the Hot Gas in Normal Galaxies from the Near Universe to z = 0.5 by Kim, Dong-Woo, Fabbiano, Giuseppina

“…Abstract We explore the evolution of the ∼10 7 K hot gas in normal galaxies out to redshift = 0.5 (lookback time = 5 Gyr), using X-ray luminosity functions…”
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A Volumetric Waveguide-Type Rotman Lens Antenna for Three-Dimensional Millimeter-Wave Beamforming by Kim, Dong-Woo, Oh, Soon-Soo

“…In this paper, a volumetric Rotman lens antenna operating at 28 GHz is proposed. The design formula and procedure were derived for the 3-D Rotman lens antenna…”
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TVmmC: Robust Calibration Method for Signal Distortion in Near-Field MIMO Imaging Radar by Kim, Dong-Woo, Nam, Sangwook

“…This paper proposes a robust calibration method for linear distortions in a wide-band system with two-dimensional near-field imaging capabilities. The proposed…”
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A room temperature synthesizable and environmental friendly heterogeneous ZIF-67 catalyst for the solvent less and co-catalyst free synthesis of cyclic carbonates by Kuruppathparambil, Roshith Roshan, Jose, Tharun, Babu, Robin, Hwang, Gyu-Young, Kathalikkattil, Amal Cherian, Kim, Dong-Woo, Park, Dae-Won

“…[Display omitted] •First report of a Co based ZIF (ZIF-67) catalyst for the chemical fixation of CO2.•ZIF-67 yields cyclic carbonates at solvent free and…”
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Low-Spurious Wideband DDS-Based Ku-Band Chirp Generator for Short-Range Radar Application by Kim, Dong-Woo, Son, YongAm, Kang, Hojung, Nam, Sangwook

“…Direct digital synthesizer (DDS)-based chirp generator is a popular component in high-performance radar systems owing to its high speed and excellent…”
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X-ray scaling relations of early-type galaxies in IllustrisTNG and a new way of identifying backsplash objects by Wang, Yunchong, Vogelsberger, Mark, Kim, Dong-Woo, Borrow, Josh, Smith, Aaron, Hernquist, Lars, Lin, Wenjie

“…ABSTRACT We investigate how feedback and environment shapes the X-ray scaling relations of early-type galaxies (ETGs), especially at the low-mass end. We…”
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The Chandra Source Catalog Normal Galaxy Sample by Kim, Dong-Woo, Cassity, Alyssa, Bhatt, Binod, Fabbiano, Giuseppina, Martinez Galarza, Juan Rafael, O’Sullivan, Ewan, Rots, Arnold

“…Abstract We present the extensive and well-characterized Chandra X-ray Galaxy Catalog (CGC) of 8547 galaxy candidates in the redshift range z ∼ 0.04–0.7,…”
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Revisiting X-Ray-bright Optically Normal Galaxies with the Chandra Source Catalog by Kim, Dong-Woo, Malnati, Amanda, Cassity, Alyssa, Fabbiano, Giuseppina, Martinez Galarza, Juan Rafael, O’Sullivan, Ewan

“…Abstract X-ray bright optically normal galaxies (XBONGs) are galaxies with X-ray luminosities consistent with those of active galactic nuclei (AGNs) but no…”
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Mutual Coupling Compensation in Receive-Mode Antenna Array Based on Characteristic Mode Analysis by Kim, Dong-Woo, Nam, Sangwook

“…In this communication, the characteristic mode analysis (CMA) is applied to the analysis of mutual coupling in a receive-mode antenna array with geometric…”
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Mulberrofuran G Protects Ischemic Injury‐induced Cell Death via Inhibition of NOX4‐mediated ROS Generation and ER Stress by Hong, Sungeun, Kwon, Jaeyoung, Kim, Dong‐Woo, Lee, Hak Ju, Lee, Dongho, Mar, Woongchon

“…The aim of this study was to investigate the neuroprotective effect of mulberrofuran G (MG) in in vitro and in vivo models of cerebral ischemia. MG was…”
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Measurement of relative phase for 5G NR digitally modulated signal using cumulative distribution function by Kim, Dong‐Woo, Kim, Kangwook, Jung, Young‐Bae, Lim, Jong‐Hyuk, Oh, Soon‐Soo

“…This letter proposes a measurement technique for the relative phase of a 5G new radio (NR) signal. The total radiated power (TRP) is measured to evaluate…”
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Empirical Analysis of Building Entry Loss From Outside of Office Building With Large Lobby Into a Basement at 1.5 and 3 GHz by Kim, Dong-Woo, Jin, Jae-Beom, Oh, Soon-Soo

“…Basements are increasingly being used as living and working spaces, and the interest in the feasibility of using wireless devices in these environments is…”
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Catalytic performance of MIL-100 (Fe, Cr) and MIL-101 (Fe, Cr) in the isomerization of endo- to exo-dicyclopentadiene by Kim, Dong-Woo, Kim, Hyeon-Gook, Cho, Deug-Hee

“…MIL-100 (Fe, Cr) and MIL-101 (Fe, Cr), metal-organic frameworks (MOFs), have been assessed in solvent-free isomerization of dicyclopentadiene (DCPD) from the…”
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X-Ray Luminosity Function and Total Luminosity of Low-Mass X-Ray Binaries in Early-Type Galaxies by Kim, Dong-Woo, Fabbiano, Giuseppina

“…We have derived bias-corrected X-ray luminosity functions (XLFs) of sources detected in a uniformly selected sample of 14 E and S0 galaxies observed with…”
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Beam Steering of a Multi-Port Chassis Antenna Using the Least Squares Method and Theory of Characteristic Modes by Kim, Dong-Woo, Kim, Joon-Hong, Nam, Sangwook

“…This communication aims to obtain the maximum gain of a multi-port chassis antenna at the desired direction. The beam steering algorithm provides the weighting…”
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Constraining the Physical State of the Hot Gas Halos in NGC 4649 and NGC 5846 by Paggi, Alessandro, Kim, Dong-Woo, Anderson, Craig, Burke, Doug, D'Abrusco, Raffaele, Fabbiano, Giuseppina, Fruscione, Antonella, Gokas, Tara, Lauer, Jen, McCollough, Michael, Morgan, Doug, Mossman, Amy, O'Sullivan, Ewan, Trinchieri, Ginevra, Vrtilek, Saeqa, Pellegrini, Silvia, Romanowsky, Aaron J., Brodie, Jean

“…We present results of a joint Chandra/XMM-Newton analysis of the early-type galaxies NGC 4649 and NGC 5846 aimed at investigating differences between mass…”
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Disturbed Fossil Group Galaxy NGC 1132 by Kim, Dong-Woo, Anderson, Craig, Burke, Doug, Fabbiano, Giuseppina, Fruscione, Antonella, Lauer, Jen, McCollough, Michael, Morgan, Doug, Mossman, Amy, O'Sullivan, Ewan, Paggi, Alessandro, Vrtilek, Saeqa, Trinchieri, Ginevra

“…We have analyzed the Chandra archival data of NGC 1132, a well-known fossil group, i.e., a system expected to be old and relaxed long after the giant…”
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Numerical Study on the Effect of the Pipe Groove Height and Pitch on the Flow Characteristics of Corrugated Pipe by Hong, Ki-Bea, Kim, Dong-Woo, Kwark, Jihyun, Nam, Jun-Seok, Ryou, Hong-Sun

“…For corrugated pipes with a square groove, it is known that there is no interaction between the main flow and groove flow when the aspect ratio is less than…”
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Evaluation of wind pressure coefficients of single-span greenhouses built on reclaimed coastal land using a large-sized wind tunnel by Kwon, Kyeong-seok, Kim, Dong-woo, Kim, Rack-woo, Ha, Taehwan, Lee, In-bok

“…The government of Korea has announced a plan to develop large-scale greenhouse complexes on reclaimed coastal land. Wind characteristics over coastal regions…”
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Origin of operating voltage increase in deep UV light-emitting diodes with ITO/Al reflector by Sung, Youn Joon, Kim, Dong-Woo, Yeom, Geun Young, Kim, Kyu Sang

“…In an attempt to further elucidate the operating voltage increase in a vertical UV-C LED with p-electrode composed of transparent conducting Sn-doped indium…”
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