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Regular Paper

May 31, 2025


Partially Binarized Deep MUSIC for Multiple Target Angle Estimation Using Wireless Sensor Array Systems
Jongsung Kang, Joonhyeon Jun, Jaehyun Park, Hyungju Kim, Byung Jang Jeong
J. Electromagn. Eng. Sci. 2025;25(3):205-213.

In this paper, a partially binarized deep learning-based MUltiple SIgnal Classification (MUSIC) algorithm for estimating the angle-of-arrivals (AoAs) of multiple targets using wireless sensor array systems is proposed. Since the...

Regular Paper

April 16, 2025


Efficiency Improvement of a Microwave Power Transfer System with an Integrated Flat-Top Beamwidth Antenna and Rectifier
Seungmo Hong, Danh Manh Nguyen
J. Electromagn. Eng. Sci. 2025;25(3):214-221.

In this letter a novel rectenna featuring fully integrated rectification within a uniformly radiating antenna for a microwave power transmission system is presented. The proposed structure consists of a magneto-electric...

Regular Paper

May 31, 2025


Method for Ground Penetrating Radar Identification of Intercalated Gangue Layers during Complex Structure Coal Seam Tunneling
Ying Tian, Chunzhi Li, Zihao Wang, Shuo Chen, Fuyan Lyu, Qiang Zhang, Denggao Hu
J. Electromagn. Eng. Sci. 2025;25(3):222-230.

During complex coal seam tunneling, the interlayer gangue impacts mining equipment cutting operations. Identifying interlayer gangue positions is crucial for guiding the advanced control of the cutting arm swing speed....

Regular Paper

May 31, 2025


Glass Penetrating Transparent Surface with Transmission Improvement for 5G Indoor Communications
Tien Dat Nguyen, Chang Won Jung
J. Electromagn. Eng. Sci. 2025;25(3):231-240.

A glass penetrating transparent surface (GPTS) is typically implemented using metasurface technology. A GPTS, such as a glass window, must be visually unaffected in environments where propagation control is required....

Regular Paper

May 31, 2025


Accuracy Improvement of the Large-Signal Model of a High-Power GaN HEMT using Power-Dependent Constant and Tapered Thermal Resistance Methods
Ho-Sang Kwon, Dong-Wook Kim
J. Electromagn. Eng. Sci. 2025;25(3):241-250.

This study improved the accuracy of the large-signal model of a high-power gallium nitride (GaN) high electron mobility transistor (HEMT) by using power-dependent constant and tapered thermal resistance methods. The...

Regular Paper

May 31, 2025


An Ultra-Wideband Lossy Polarization Conversion Metasurface for RCS Reduction
Baoqin Lin, Wenzhun Huang, Jianxin Guo, Zuliang Wang, Kaibo Si, Xiaohua Zhou
J. Electromagn. Eng. Sci. 2025;25(3):251-259.

This paper proposes a lossy reflective circular polarization conversion metasurface (PCM), which can achieve circular polarized (CP)-maintaining reflection and absorption. In this way, the magnitude of the cross-polarization reflection coefficient...

Regular Paper

May 31, 2025


Design and Implementation of an X-Band 1-Bit Reconfigurable Transmitarray System with a Space-Time Coding Scheme
Sung-Geon Kim, Inhwan Kim, Youngjae Yu, Ic-Pyo Hong, Kyung-Won Lee, Sunghun Jung, Myung-Sik Lee, Jong-Gwan Yook
J. Electromagn. Eng. Sci. 2025;25(3):260-270.

This paper proposes a 1-bit reconfigurable transmitarray system operating in the X-band that is capable of implementing a space-time coding scheme. The proposed transmitarray consists of a 10×10 array of...

Regular Paper

May 31, 2025


Design of a Receiving Array Antenna with a Trapezoidal Configuration Using Multiple Rectifier Circuits for Wide-Angle Reception
Taekyeong Jin, Eunjung Kang, Minjae Ahn, Hyunchul Ku, Seunghyeok Hong, Hosung Choo
J. Electromagn. Eng. Sci. 2025;25(3):271-278.

This paper proposes a receiving array antenna with a trapezoidal configuration that combines multiple rectifier circuits for wide-angle reception. The proposed receiving antenna system consists of three antenna elements operating...

Regular Paper

May 31, 2025


Multi-Functional Filtering Power Divider with a Reconfigurable Frequency and Ultrawide Isolator Functionality
Girdhari Chaudhary, Daewoo Choi, Yongchae Jeong
J. Electromagn. Eng. Sci. 2025;25(3):279-290.

In this paper, we describe the co-design of a multi-functional non-reciprocal filtering power divider (NR-FPD) with ultrawide reverse isolation and frequency reconfigurable functionality. The proposed NR-FPD offers an arbitrary power...

Regular Paper

May 31, 2025


Experimental Study on the Explosion-Proof Safety Thresholds of RF Electromagnetic Energy in Typical 5G Frequency Bands
Ziwen Guo, Yong Zhang, Jijian Meng
J. Electromagn. Eng. Sci. 2025;25(3):291-297.

The 5G communication system plays a pivotal role in the advancement of smart mining infrastructure. Given the limitations and inapplicability of IEC 60079 standard to 5G technology, this study aimed...

Regular Paper

May 31, 2025


Circularly Polarized Shared-Aperture Microstrip Antenna for S-/X-Band Satellite Communications
Jae-Gon Lee
J. Electromagn. Eng. Sci. 2025;25(3):298-303.

In this paper, a dual-band circularly polarized (CP) shared-aperture microstrip patch antenna with a high frequency ratio of 4.1 is presented for S-/X-band satellite communications. The unit cell of the...
Current Issue
Volume 25(3); May 2025
Partially Binarized Deep MUSIC for Multiple Target Angle Estimation Using Wireless Sensor Array Systems
Jongsung Kang, Joonhyeon Jun, Jaehyun Park, Hyungju Kim, Byung Jang Jeong
J. Electromagn. Eng. Sci. 2025;25(3):205-213.

Regular Paper

May 31, 2025
Efficiency Improvement of a Microwave Power Transfer System with an Integrated Flat-Top Beamwidth Antenna and Rectifier
Seungmo Hong, Danh Manh Nguyen
J. Electromagn. Eng. Sci. 2025;25(3):214-221.

Regular Paper

May 31, 2025
Method for Ground Penetrating Radar Identification of Intercalated Gangue Layers during Complex Structure Coal Seam Tunneling
Ying Tian, Chunzhi Li, Zihao Wang, Shuo Chen, Fuyan Lyu, Qiang Zhang, Denggao Hu
J. Electromagn. Eng. Sci. 2025;25(3):222-230.

Regular Paper

May 31, 2025
Glass Penetrating Transparent Surface with Transmission Improvement for 5G Indoor Communications
Tien Dat Nguyen, Chang Won Jung
J. Electromagn. Eng. Sci. 2025;25(3):231-240.

Regular Paper

May 31, 2025
Accuracy Improvement of the Large-Signal Model of a High-Power GaN HEMT using Power-Dependent Constant and Tapered Thermal Resistance Methods
Ho-Sang Kwon, Dong-Wook Kim
J. Electromagn. Eng. Sci. 2025;25(3):241-250.

Regular Paper

May 31, 2025
An Ultra-Wideband Lossy Polarization Conversion Metasurface for RCS Reduction
Baoqin Lin, Wenzhun Huang, Jianxin Guo, Zuliang Wang, Kaibo Si, Xiaohua Zhou
J. Electromagn. Eng. Sci. 2025;25(3):251-259.

Regular Paper

May 31, 2025
Design and Implementation of an X-Band 1-Bit Reconfigurable Transmitarray System with a Space-Time Coding Scheme
Sung-Geon Kim, Inhwan Kim, Youngjae Yu, Ic-Pyo Hong, Kyung-Won Lee, Sunghun Jung, Myung-Sik Lee, Jong-Gwan Yook
J. Electromagn. Eng. Sci. 2025;25(3):260-270.

Regular Paper

May 31, 2025
Design of a Receiving Array Antenna with a Trapezoidal Configuration Using Multiple Rectifier Circuits for Wide-Angle Reception
Taekyeong Jin, Eunjung Kang, Minjae Ahn, Hyunchul Ku, Seunghyeok Hong, Hosung Choo
J. Electromagn. Eng. Sci. 2025;25(3):271-278.

Regular Paper

May 31, 2025
Multi-Functional Filtering Power Divider with a Reconfigurable Frequency and Ultrawide Isolator Functionality
Girdhari Chaudhary, Daewoo Choi, Yongchae Jeong
J. Electromagn. Eng. Sci. 2025;25(3):279-290.

Regular Paper

May 31, 2025
Experimental Study on the Explosion-Proof Safety Thresholds of RF Electromagnetic Energy in Typical 5G Frequency Bands
Ziwen Guo, Yong Zhang, Jijian Meng
J. Electromagn. Eng. Sci. 2025;25(3):291-297.

Regular Paper

May 31, 2025
Circularly Polarized Shared-Aperture Microstrip Antenna for S-/X-Band Satellite Communications
Jae-Gon Lee
J. Electromagn. Eng. Sci. 2025;25(3):298-303.

Regular Paper

May 31, 2025
Antenna Sensitivity Enhancement through Noise Suppression in an LTE/GPS Communication Module
Jeonghwan Kim, Seokju Wi, Hoseung Lee, Rui Li, Hyunwoong Shin, Hyung-Hoon Kim, Hyeongdong Kim
J. Electromagn. Eng. Sci. 2025;25(3):304-306.

Letter

May 31, 2025

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