Sooyong Yun |  Woosang Lee... -  《IEEE transactions on automation science and engineering: a publication of the IEEE Robotics and Automation Society》 - 2024,21(3 Pt.1) - 2648～2656 - 共9页

摘要：The safety and dynamic stability of the two-wheeled self-balancing personal mobility (SBPM) are critical for their operation, and hence these issues need to be evaluated objectively. But due to the na...

关键词： Torque |  Flywheels |  Behavioral sciences |  Safety |  Turning |  Wheels |  Spinning

Young-Pyo Hong |  Woosang Lee... -  《2023 Asia-Pacific Microwave Conference: Asia-Pacific Microwave Conference (APMC), 5-8 December 2023, Taipei, Taiwan》 -  Asia-Pacific Microwave Conference - 2023, - 137～139 - 共3页

摘要：In this paper, a wideband photonic-assisted field-probing receiver that can be used to measure active phased-array transmitter with 1-kW peak pulsed output power is presented. The active phased-array ...

关键词： Optical interferometry |  Phase measurement |  Pulse measurements |  Optical transmitters |  Probes |  Power generation |  Wideband

Jung-Hoon Han |  Woosang Lee... -  《IEEE Transactions on Antennas and Propagation》 - 2022,70(11) - 10245～10252 - 共8页 - 被引量：1

摘要：The identification of unknown antennas and analysis of electromagnetic wave vulnerability are important for effective attacks and/or protection in high-power electromagnetics (HPEM). Using electromagn...

关键词： Antenna modeling |  antenna recognition |  electromagnetic vulnerability |  high-power electromagnetics (HPEM) |  high-power microwave (HPM) |  infinitesimal dipole modeling (IDM) |  sparse far-field pattern |  unknown antenna |  Antenna radiation patterns |  Electromagnetics...

Young-Pyo Hong |  Woosang Lee... -  《2017 IEEE MTT-S International Microwave Symposium: IMS 2017, Honololu, Hawaii, USA, 4-9 June 2017, pages 1-686, [v.1]》 -  IEEE MTT-S International Microwave Symposium - 2017, - 654～657 - 共4页

摘要：In this paper, an active phased-array transmitter that can be used to generate 1-kW peak pulsed output is presented. It consists of 192-channel transmit modules and each transmit module with greater t...

关键词： Active phased-array |  High-power transmitter |  MMIC |  Multi-function corechip |  Transmit module

NSTL主题词： kilowatt |  Transmitters |  broadband |  Transmitter

Jong-won Yang |  Minwoo Yi... -  《2016 URSI Asia-Pacific Radio Science Conference (URSI AP-RASC 2016) : [Volume 2 of 2] Pages 1057-2052.》 -  URSI Asia-Pacific Radio Science Conference - 2016, - 1919～1920 - 共2页

摘要：We present electric field measurement with Electro-Optic (EO) sensor of high power W-band gyrotron. EO sensors serve as minimally invasive field receivers as compared to metal-based electronic field p...

关键词： microwave measurement |  electro-optic probe |  sensors |  electro-optic measurement

NSTL主题词： field measure |  Electric field measurement |  Sensors |  Energy sources |  Power (Psychology)

Jong-won Yang |  Minwoo Yi... -  《2016 URSI Asia-Pacific Radio Science Conference: 2016 URSI Asia-Pacific Radio Science Conference (URSI AP-RASC), August 21 -25,2016 I Grand Hilton Seoul Hotel, Korea》 -  URSI Asia-Pacific Radio Science Conference - 2016, - 1919～1920 - 共2页

摘要：We present electric field measurement with Electro-Optic (EO) sensor of high power W-band gyrotron. EO sensors serve as minimally invasive field receivers as compared to metal-based electronic field p...

关键词： Electrooptical waveguides |  Power measurement |  Radar |  Probes |  Electric fields |  Meteorology

NSTL主题词： Electric field measurement |  field measure |  Sensors |  Energy sources |  Power (Psychology)

Byung-Joon Lee |  Seung-Hwan Kim... -  《2015 IEEE International Vacuum Electronics Conference: 2015 IEEE International Vacuum Electronics Conference (IVEC 2015), 27-29 April 2015, Beijing, China》 -  IEEE International Vacuum Electronics Conference - 2015, - 1～2 - 共2页

摘要：The emission test is conducted using an easy-replaceable-emitter emitter test bench. A simple cylindrical button type emitter with the diameter of 6 mm is installed vertically into an emitter cup hold...

关键词： Emitter |  Emitter test bench |  perveance

NSTL主题词： Electron emitters |  Emissions monitoring

Yong Heui Cho |  Seungkyun Lim... -  《2014 8th European conference on antennas and propagation: EuCAP 2014, The Hague, Netherlands, 6-11 April 2014, pages 1564-2348, [v.3]》 -  European Conference on Antennas and Propagation - 2014, - 2017～2019 - 共3页

摘要：A metal-only reflectarray (MOR) antenna for 77 [GHz] was analyzed with the equivalent surface current sources. The equivalent current sources can be used to produce the incident fields radiated from a...

关键词： Metal-only reflectarray |  Equivalent current source |  Surface equivalence principle |  Feed modeling

NSTL主题词： Current sources |  ANTENNA |  antennae |  FEEDS |  Fodder |  Arbitrary |  Equivalent

Jinwoo Shin |  Jun-Ho Choi... -  《2013 Asia Pacific microwave conference: APMC 2013, Seoul, South Korea, 5-8 November 2013, pages 627-1229, [v.2]》 -  Asia-Pacific Microwave Conference - 2013, - 1070～1072 - 共3页

摘要：This paper describes 2-D analysis of a frequency diverse transmit array antenna with a periodic modulated pattern in range using the finite difference time domain methods. The elements of applied line...

关键词： Antenna arrays |  finite difference time domain methods |  frequency diverse array

NSTL主题词： Antenna arrays |  full-wave |  simulating

Woosang LEE |  Hyungjoon SHIM... -  《Journal of the Korean Physical Society》 - 2010,56(3) - 943～946 - 共4页 - 被引量：12

摘要：The effect of In adatoms added as defects on the phase transition of an In/Si(111) surface was investigated by using scanning tunneling microscope (STM) and low-energy electron diffraction (LEED). The...

关键词： Phase transition |  In/Si(111) |  Defects |  Low energy electron diffraction |  Scanning tunneling mi-croscope