Search Results - "Yonghun Cheon"

Miniaturized Antennas With Reduced Hand Effects in Mobile Phones Using Magneto-Dielectric Material by Lee, Jungyub, Lee, Juhyang, Min, Kihong, Cheon, Yonghun

“…In this letter, magneto-dielectric (MD) material is proposed to reduce the antenna volume without significant performance degradation and mitigate the…”
Get full text

Quad-Band Monopole Antenna Including LTE 700 MHz With Magneto-Dielectric Material by Yonghun Cheon, Jungyub Lee, Joonghee Lee

“…A magneto-dielectric (MD) material, which has allowably low magnetic loss and moderate permeability for the wireless communication band, is presented. A…”
Get full text

Millimeter-wave phased array antenna with wide beam coverage by Yonghun Cheon, Yonghoon Kim

“…This letter presents the design and measurements of a mm-wave phased array antenna for a 5G cellular system. The 1×4 planar array antenna consisting of…”
Get full text

Subsurface object sensing with a multifrequency microwave radiometer by Johnson, J.T., Hyunjun Kim, Wiggins, D.R., Yonghun Cheon

“…Experimental results are reported for sensing of subsurface objects with a multifrequency radiometer (MFRAD) system. Properties of the MFRAD system are…”
Get full text

Performance comparison of millimeter-wave communications system with different antenna beamwidth by Dao Manh Tuan, Yonghun Cheon, Aoki, Yuuichi, Yonghoon Kim

“…This paper presents the utilization of the ADS Ptolemy system simulator for RF circuits and a ray tracing simulator for antenna and propagation, to compare…”
Get full text

Reducing effects of hand phantom on mobile antennas using magneto-dielectric material by Jungyub Lee, Juhyang Lee, Kihong Min, Yonghun Cheon, Seungkee Yang

“…In this paper, a practical application of the magneto-dielectric (MD) materials to the mobile handset antennas is presented. The polymer MD composites with the…”
Get full text

METCRAX 2006: Meteorological Experiments in Arizona’s Meteor Crater by Whiteman, C. David, Muschinski, Andreas, Zhong, Sharon, Fritts, David, Hoch, Sebastian W., Hahnenberger, Maura, Yao, Wenqing, Hohreiter, Vincent, Behn, Mario, Cheon, Yonghun, Clements, Craig B., Horst, Thomas W., Brown, William O. J., Oncley, Steven P.

“…The Meteor Crater Experiment (METCRAX 2006) was conducted in October 2006 at Arizona's Meteor Crater to investigate stable boundary layer evolution in a…”
Get full text

Metcrax 2006 by Whiteman, C D, Muschinski, A, Zhong, S, Fritts, D, Hoch, S W, Hahnenberger, M, Yao, W, Hohreiter, V, Behn, M, Cheon, Y, Clements, C B, Horst, T W, Brown, WOJ, Oncley, S P

“…The Meteor Crater Experiment (METCRAX 2006) was conducted in October 2006 at Arizona's Meteor Crater to investigate stable boundary layer evolution in a…”
Get full text

Angle -of -arrival fluctuations of optical waves in the atmospheric surface layer by Cheon, Yonghun

“…When an optical wave propagates through atmosphere, the wave experiences amplitude, phase, and angle-of-arrival (AOA) fluctuations which are mainly caused by…”
Get full text

Angle-of-arrival fluctuations of optical waves in the atmospheric surface layer by Cheon, Yonghun

“…When an optical wave propagates through atmosphere, the wave experiences amplitude, phase, and angle-of-arrival (AOA) fluctuations which are mainly caused by…”
Get full text