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Regular Paper

July 31, 2018


Investigation of Single-Input Multiple-Output Wireless Power Transfer Systems Based on Optimization of Receiver Loads for Maximum Efficiencies
Sejin Kim, Sungyoun Hwang, Sanghoek Kim, Bomson Lee
J Electromagn Eng Sci. 2018;18(3):145-153.

In this paper, the efficiency of single-input multiple-output (SIMO) wireless power transfer systems is examined. Closed-form solutions for the receiver loads that maximize either the total efficiency or the efficiency...

Regular Paper

July 31, 2018


Radiation from a Millimeter-Wave Rectangular Waveguide Slot Array Antenna Enclosed by a Von Karman Radome
Jihyung Kim, Sung Chan Song, Hokeun Shin, Yong Bae Park
J Electromagn Eng Sci. 2018;18(3):154-159.

In this paper, electromagnetic radiation from a slot array antenna enclosed by a Von Karman radome is analyzed by using the ray tracing method and Huygens’s principle. We consider the...

Regular Paper

July 31, 2018


Optimization Methodology of Multiple Air Hole Effects in Substrate Integrated Waveguide Applications
Jin-Yang Kim, Dong-Wan Chun, Christopher Jayun Ryu, Hai-Young Lee
J Electromagn Eng Sci. 2018;18(3):160-168.

A wide spectrum of potential applications using substrate integrated waveguide (SIW) technologies in conjunction with air hole regions is introduced, and an efficient optimization methodology to cope with the multiple...

Regular Paper

July 31, 2018


Calibration and Uncertainty Analysis of Sample-Time Error on High Jitter of Samplers
Chihyun Cho, Joo-Gwang Lee, Tae-Weon Kang, No-Weon Kang
J Electromagn Eng Sci. 2018;18(3):169-174.

In this paper, we propose an estimation method using multiple in-phase and quadrature (IQ) signals of different frequencies to evaluate the sample-time errors in the sampling oscilloscope. The estimator is...

Regular Paper

July 31, 2018


Calculating Array Patterns Using an Active Element Pattern Method with Ground Edge Effects
Sun-Gyu Lee, Jeong-Hae Lee
J Electromagn Eng Sci. 2018;18(3):175-181.

The array patterns of a patch array antenna were calculated using an active element pattern (AEP) method that considers ground edge effects. The classical equivalent radiation model of the patch...

Regular Paper

July 31, 2018


A Compact Microstrip Patch Antenna Based on Metamaterials for Wi-Fi and WiMAX Applications
Suman Nelaturi, Nookala Venkata Satya Narasimha Sarma
J Electromagn Eng Sci. 2018;18(3):182-187.

A low profile asymmetrical fractal boundary patch antenna based on reactive impedance surface (RIS) and a mushroom unit cell (MUC) is proposed and studied for dual band operation. The sides...

Regular Paper

July 31, 2018


Front-End Module of 18–40 GHz Ultra-Wideband Receiver for Electronic Warfare System
Yuseok Jeon, Sungil Bang
J Electromagn Eng Sci. 2018;18(3):188-198.

In this study, we propose an approach for the design and satisfy the requirements of the fabrication of a small, lightweight, reliable, and stable ultra-wideband receiver for millimeter-wave bands and...

Regular Paper

July 31, 2018


A Modified SweepSAR Mode with Dual Channels for High Resolution and Wide Swath
Seong Sik Yoon, Jae Wook Lee, Taek-Kyung Lee, Sang-burm Ryu, Hyeon-Cheol Lee, Sang Gyu Lee
J Electromagn Eng Sci. 2018;18(3):199-205.

In this study, an imaging mode of the modified SweepSAR is proposed with performance analysis for a high-resolution and wide swath coverage. To reduce the overall antenna size required for...

Regular Paper

July 31, 2018


A Study on the Performance Enhancement of Radar Target Classification Using the Two-Level Feature Vector Fusion Method
In-Ha Kim, In-Sik Choi, Dae-Young Chae
J Electromagn Eng Sci. 2018;18(3):206-211.

In this paper, we proposed a two-level feature vector fusion technique to improve the performance of target classification. The proposed method combines feature vectors of the early-time region and late-time...
Current Issue
Volume 18(3); Jul 2018
Investigation of Single-Input Multiple-Output Wireless Power Transfer Systems Based on Optimization of Receiver Loads for Maximum Efficiencies
Sejin Kim, Sungyoun Hwang, Sanghoek Kim, Bomson Lee
J Electromagn Eng Sci. 2018;18(3):145-153.

Regular Paper

July 31, 2018
Radiation from a Millimeter-Wave Rectangular Waveguide Slot Array Antenna Enclosed by a Von Karman Radome
Jihyung Kim, Sung Chan Song, Hokeun Shin, Yong Bae Park
J Electromagn Eng Sci. 2018;18(3):154-159.

Regular Paper

July 31, 2018
Optimization Methodology of Multiple Air Hole Effects in Substrate Integrated Waveguide Applications
Jin-Yang Kim, Dong-Wan Chun, Christopher Jayun Ryu, Hai-Young Lee
J Electromagn Eng Sci. 2018;18(3):160-168.

Regular Paper

July 31, 2018
Calibration and Uncertainty Analysis of Sample-Time Error on High Jitter of Samplers
Chihyun Cho, Joo-Gwang Lee, Tae-Weon Kang, No-Weon Kang
J Electromagn Eng Sci. 2018;18(3):169-174.

Regular Paper

July 31, 2018
Calculating Array Patterns Using an Active Element Pattern Method with Ground Edge Effects
Sun-Gyu Lee, Jeong-Hae Lee
J Electromagn Eng Sci. 2018;18(3):175-181.

Regular Paper

July 31, 2018
A Compact Microstrip Patch Antenna Based on Metamaterials for Wi-Fi and WiMAX Applications
Suman Nelaturi, Nookala Venkata Satya Narasimha Sarma
J Electromagn Eng Sci. 2018;18(3):182-187.

Regular Paper

July 31, 2018
Front-End Module of 18–40 GHz Ultra-Wideband Receiver for Electronic Warfare System
Yuseok Jeon, Sungil Bang
J Electromagn Eng Sci. 2018;18(3):188-198.

Regular Paper

July 31, 2018
A Modified SweepSAR Mode with Dual Channels for High Resolution and Wide Swath
Seong Sik Yoon, Jae Wook Lee, Taek-Kyung Lee, Sang-burm Ryu, Hyeon-Cheol Lee, Sang Gyu Lee
J Electromagn Eng Sci. 2018;18(3):199-205.

Regular Paper

July 31, 2018
A Study on the Performance Enhancement of Radar Target Classification Using the Two-Level Feature Vector Fusion Method
In-Ha Kim, In-Sik Choi, Dae-Young Chae
J Electromagn Eng Sci. 2018;18(3):206-211.

Regular Paper

July 31, 2018
FDTD Analysis of Electromagnetic Wave Propagation in an Inhomogeneous Ionosphere under Arbitrary-Direction Geomagnetic Field
Jun-Ho Kweon, Min-Seok Park, Jeahoon Cho, Kyung-Young Jung
J Electromagn Eng Sci. 2018;18(3):212-214.

Letter

July 31, 2018

View More

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