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Regular Paper

January 31, 2025


High-Efficiency Dual-Band Rectifier with Extended Dynamic Frequency Ranges based on Independent Dual-Band Impedance Control
Yeonsoo Kim, Bitchan Kim, Juntaek Oh
J. Electromagn. Eng. Sci. 2025;25(1):1-7.

This study presents a high-efficiency dual-band rectifier with an extended frequency range. The proposed rectifier comprises a voltage doubler with shunt capacitors and an independent dual-band impedance control network (IDICN)....

Regular Paper

January 31, 2025


Cogging Torque Mitigation using the Unequal Rotor Slot Arcs Method based on Magnetic Permeance Distribution for Flux-Switching Machines
Emrah Cetin
J. Electromagn. Eng. Sci. 2025;25(1):8-15.

Permanent magnet machines, such as flux-switching permanent magnet (FSPM) machines, are characterized by cogging torque, which must be addressed because it leads to torque fluctuations. With permanent magnetics usually buried...

Regular Paper

January 31, 2025


Novel Receiving Antenna with Dual-Capacitive Ends to Improve Upper Hemisphere Efficiency for GNSS Applications
Yongjun Jo, Yang Liu, Longyue Qu
J. Electromagn. Eng. Sci. 2025;25(1):16-24.

This study proposes a novel receiving antenna with higher upper hemisphere efficiency for global navigation satellite systems (GNSS) applications. The proposed novel and new-loop-type antenna consists of a series capacitor...

Regular Paper

January 31, 2025


CMOS Vector Modulator-Based Phase Shifter for Millimeter-Wave Transmitter
Ju-Hyeon Park, Ui-Gyu Choi, Hyunwon Moon, Jong-Ryul Yang
J. Electromagn. Eng. Sci. 2025;25(1):25-31.

A D-band phase shifter for CMOS transmitters in a millimeter-wave imaging system is proposed based on vector modulator configuration. Depending on the phase control biasing, the output impedance variation of...

Regular Paper

January 31, 2025


Spurious-Free Dynamic Range Augmentation for Digital-to-Analog Converters using PSO-PID Adaptive Algorithms
Junshi Lv, Chengting Zhang, Honglv Wang, Gaoming Xu, Taijun Liu
J. Electromagn. Eng. Sci. 2025;25(1):32-40.

In this paper, we propose a new method for enhancing the spurious-free dynamic range (SFDR) of digital-to-analog converters (DACs) by implementing a digital predistorter to suppress harmonic distortion. First, the...

Regular Paper

January 31, 2025


Super-Resolution Angle Estimation Algorithm using Low Complexity MUSIC-Based RELAX for MIMO FMCW Radar
Bong-Seok Kim, Youngseok Jin, Jonghun Lee, Sangdong Kim, Ram M. Narayanan
J. Electromagn. Eng. Sci. 2025;25(1):41-53.

A novel super-resolution angle estimation algorithm using low complexity-multiple signal classification (LC-MUSIC)-based relaxation (RELAX) for multiple-input multiple-output (MIMO) frequency-modulated continuous-wave (FMCW) radar is proposed in this paper. FMCW radar is...

Regular Paper

January 31, 2025


Circular Slot Antenna with Pattern Diversity
Youngje Sung
J. Electromagn. Eng. Sci. 2025;25(1):54-61.

In this study, a dual-feed polarization diversity antenna with a broadside or conical radiation pattern is proposed. In the proposed structure, the radiator is designed based on a circular slot...

Regular Paper

January 31, 2025


Field and Inductance Calculation of Coaxial Coils with a Hollow Iron Core and a Magnetic Shield
Dongze Yu, Baichao Chen, Yao Luo, Yike Xiang, Jiaxin Yuan, Cuihua Tian, Yuanzhe Zhu, Yue Yu, Xinyi Yang
J. Electromagn. Eng. Sci. 2025;25(1):62-71.

An analytical model is developed for coaxial coils with a hollow iron core and a magnetic shield. The problem is solved by an enhanced version of truncated region eigenfunction expansion...

Regular Paper

January 31, 2025


Accelerated Algorithm based on Modified Z-Buffer for Numerically Simulating the Dynamic Radar Echo from Wind Turbines
Bo Tang, Zhendong Zhu, Zhiyu Shang, Bin Xu, Gang Liu, Cheng Fan
J. Electromagn. Eng. Sci. 2025;25(1):72-84.

As wind farms increase in scale, the computation speed of traditional methods struggles to meet the requirements for simulating the dynamic radar echo they produce. Consequently, the modified Z-buffer algorithm...

Regular Paper

January 31, 2025


Enhancing 2-D Beam Scanning Capability through Extended Transmission Paths in a Liquid Crystal-Based Transmitarray Antenna for mmWave Communications
Seungwoo Bang, Hogyeom Kim, Jungsuek Oh
J. Electromagn. Eng. Sci. 2025;25(1):85-91.

This paper introduces a novel method for implementing a liquid crystal-based transmitarray (LCTA) antenna with two-dimensional (2D) beam scanning capability for the first time. Extending the phase tuning range of...

Regular Paper

December 19, 2024


Modeling and Manufacturing AAO-Based Micropatterned Chip Inductors for GHz Applications
Rachida Lamouri, Dongyoon Kim, Baekil Nam, Taehwan Song, Seungho Park, Wanho Kim, Ki Hyeon Kim
J. Electromagn. Eng. Sci. 2025;25(1):92-99.

In this work, contrary to the conventional 3D model for wire-wound chip inductors, we present a novel design featuring a copper wirewound chip inductor, where 4.5 turns of a 20-μm-thick...

Regular Paper

January 31, 2025


Recombination of Copper Tiles connected with Chip Resistors for Wide-Angle Metasurface Absorber
Yongjune Kim, Jeong-Hae Lee
J. Electromagn. Eng. Sci. 2025;25(1):100-108.

In this paper, a design strategy for a wide-angle metasurface absorber is proposed that evolves a configuration for broadband absorption that consists of four 100 Ω chip resistors and a...
Current Issue
Volume 25(1); Jan 2025
High-Efficiency Dual-Band Rectifier with Extended Dynamic Frequency Ranges based on Independent Dual-Band Impedance Control
Yeonsoo Kim, Bitchan Kim, Juntaek Oh
J. Electromagn. Eng. Sci. 2025;25(1):1-7.

Regular Paper

January 31, 2025
Cogging Torque Mitigation using the Unequal Rotor Slot Arcs Method based on Magnetic Permeance Distribution for Flux-Switching Machines
Emrah Cetin
J. Electromagn. Eng. Sci. 2025;25(1):8-15.

Regular Paper

January 31, 2025
Novel Receiving Antenna with Dual-Capacitive Ends to Improve Upper Hemisphere Efficiency for GNSS Applications
Yongjun Jo, Yang Liu, Longyue Qu
J. Electromagn. Eng. Sci. 2025;25(1):16-24.

Regular Paper

January 31, 2025
CMOS Vector Modulator-Based Phase Shifter for Millimeter-Wave Transmitter
Ju-Hyeon Park, Ui-Gyu Choi, Hyunwon Moon, Jong-Ryul Yang
J. Electromagn. Eng. Sci. 2025;25(1):25-31.

Regular Paper

January 31, 2025
Spurious-Free Dynamic Range Augmentation for Digital-to-Analog Converters using PSO-PID Adaptive Algorithms
Junshi Lv, Chengting Zhang, Honglv Wang, Gaoming Xu, Taijun Liu
J. Electromagn. Eng. Sci. 2025;25(1):32-40.

Regular Paper

January 31, 2025
Super-Resolution Angle Estimation Algorithm using Low Complexity MUSIC-Based RELAX for MIMO FMCW Radar
Bong-Seok Kim, Youngseok Jin, Jonghun Lee, Sangdong Kim, Ram M. Narayanan
J. Electromagn. Eng. Sci. 2025;25(1):41-53.

Regular Paper

January 31, 2025
Circular Slot Antenna with Pattern Diversity
Youngje Sung
J. Electromagn. Eng. Sci. 2025;25(1):54-61.

Regular Paper

January 31, 2025
Field and Inductance Calculation of Coaxial Coils with a Hollow Iron Core and a Magnetic Shield
Dongze Yu, Baichao Chen, Yao Luo, Yike Xiang, Jiaxin Yuan, Cuihua Tian, Yuanzhe Zhu, Yue Yu, Xinyi Yang
J. Electromagn. Eng. Sci. 2025;25(1):62-71.

Regular Paper

January 31, 2025
Accelerated Algorithm based on Modified Z-Buffer for Numerically Simulating the Dynamic Radar Echo from Wind Turbines
Bo Tang, Zhendong Zhu, Zhiyu Shang, Bin Xu, Gang Liu, Cheng Fan
J. Electromagn. Eng. Sci. 2025;25(1):72-84.

Regular Paper

January 31, 2025
Enhancing 2-D Beam Scanning Capability through Extended Transmission Paths in a Liquid Crystal-Based Transmitarray Antenna for mmWave Communications
Seungwoo Bang, Hogyeom Kim, Jungsuek Oh
J. Electromagn. Eng. Sci. 2025;25(1):85-91.

Regular Paper

January 31, 2025
Modeling and Manufacturing AAO-Based Micropatterned Chip Inductors for GHz Applications
Rachida Lamouri, Dongyoon Kim, Baekil Nam, Taehwan Song, Seungho Park, Wanho Kim, Ki Hyeon Kim
J. Electromagn. Eng. Sci. 2025;25(1):92-99.

Regular Paper

January 31, 2025
Recombination of Copper Tiles connected with Chip Resistors for Wide-Angle Metasurface Absorber
Yongjune Kim, Jeong-Hae Lee
J. Electromagn. Eng. Sci. 2025;25(1):100-108.

Regular Paper

January 31, 2025

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Data-Selective Learning Algorithm Using Resonance Parameters Based on Stacked Data Augmentation for Wideband Impedance Prediction of Printed Spiral Coils Joojoong Kim, Eakhwan Song Cho Hilary Scott Nkimbeng, Heesu Wang, Gangil Byun, Yong Bae Park, Ikmo Park J. Electromagn. Eng. Sci. 2023;23(2):109-121. Cited By 11
Analysis on Hot Carrier Injection of 0.15 μm Short-Channel AlGaN/GaN HEMTs Using Electroluminescence Spectroscopy Junwoo Jung, Jong-Min Lee, Byoung-Gue Min, Dong Min Kang, Inho Kang, Hyungtak Kim Tien Dat Nguyen, Yongkeun Lee, Chang Won Jung J. Electromagn. Eng. Sci. 2023;23(4):310-317. Cited By 7
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