JEES :: Journal of Electromagnetic Engineering and Science

Regular Paper

March 31, 2025

Free-Space Dielectric Property Measurement of Biological Tissues at W-Band Frequencies

Jin-Seob Kang, Young Seung Lee, Youngcheol Park

J. Electromagn. Eng. Sci. 2025;25(2):109-117.

This paper presents a free-space measurement method for the dielectric properties of small biological tissues (in this study, micropig skins that are 60 mm × 60 mm in size and...

Regular Paper

March 31, 2025

Multi-Rotor Redirection Algorithm Using GNSS Spoofer and Radar

Myoung-Ho Chae, Seong-Ook Park, Seung-Ho Choi, Chae-Taek Choi

J. Electromagn. Eng. Sci. 2025;25(2):118-130.

The rise in drone attacks on key state security infrastructures has led to a high demand for anti-drone technologies. In this regard, global navigation satellite system (GNSS) deception can mislead...

Regular Paper

September 19, 2024

Design of X-Band GaN LNA MMIC with Switched Impedance Network for Improved Noise Figure

Byeong-Uk Lee

J. Electromagn. Eng. Sci. 2025;25(2):131-136.

In this work, an X-band gallium nitride (GaN) low-noise amplifier (LNA) monolithic microwave integrated circuit (MMIC) with a switched impedance network for improved noise performance is designed and fabricated using...

Regular Paper

March 31, 2025

A High-Gain Series-Parallel Millimeter-Wave SIW Cavity-Backed Patch Array

Wenlei Wang, Huayan Jin, Lekai Zhou, Kuo-Sheng Chin, Guo Qing Luo

J. Electromagn. Eng. Sci. 2025;25(2):137-143.

This paper presents a wideband and high-gain 4 × 4 substrate integrated waveguide (SIW) cavity-backed patch array with a simplified feeding network for operation in the millimeter-wave (mmW) band. Furthermore,...

Regular Paper

March 31, 2025

Research on Heat Transfer of Submersible Motor Stator based on Air Gap Flow Characteristics

Shibin Zhang, Huayang Ren, Yongcun Wang, Yu Miao, Yan Shang, Yunbing Feng

J. Electromagn. Eng. Sci. 2025;25(2):144-153.

To address the heat dissipation problem of submersible motors, an improved strategy based on the characteristics of air gap fluid is proposed to avoid localized overheating of the motor to...

Regular Paper

March 31, 2025

A 6.1-to-41.5 GHz CMOS Low-Noise Amplifier for Wideband and Highly Linear Applications

Yeheon Park, Kyeonghun Choe, Sanggeun Jeon

J. Electromagn. Eng. Sci. 2025;25(2):154-159.

This paper presents a CMOS low-noise amplifier (LNA) for wideband applications that require high linearity. A frequency staggering technique is employed to achieve a flat gain response over a wide...

Regular Paper

September 19, 2024

Hotspot Estimation for Antenna-Less Backscatter Communication Using Excited Impedance Analysis

Junwoo Cha, Choyoun Park, Youngcheol Park

J. Electromagn. Eng. Sci. 2025;25(2):160-166.

This paper proposes a novel method for determining the optimal mounting position of nonlinear components for antenna-less backscatter communication using ground (GND) plane patterns on printed circuit boards (PCB). By...

Regular Paper

March 31, 2025

Calibration Method for Active Element Patterns corrupted by the Parasitic Effects of Feeding Networks

Seongjung Kim

J. Electromagn. Eng. Sci. 2025;25(2):167-174.

This paper presents a novel method for calibrating the active element patterns (AEPs) of array antennas distorted by feeding networks. These distortions include signal loss, multiple reflection, and parasitic radiation....

Regular Paper

March 31, 2025

Power Scaling Methods for RF Excitation Fields in MRI Systems

Seon-Eui Hong, Giuseppe Carluccio, Christopher M. Collins, Hyung-Do Choi, Sukhoon Oh

J. Electromagn. Eng. Sci. 2025;25(2):175-183.

In this paper, we analyze the homogeneity of the transmitted radiofrequency (RF) field by applying different power scaling methods ranging from low-field (12.8 MHz, 0.3 T) to high-field (298 MHz,...

Regular Paper

December 13, 2024

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

J. Electromagn. Eng. Sci. 2025;25(2):184-189.

In this work, we analyzed the effects of hot carrier injection in short-channel AlGaN/GaN high electron mobility transistors by identifying hot carrier stress conditions using electroluminescence (EL) spectroscopy. After applying...

Regular Paper

December 17, 2024

Data-Selective Learning Algorithm Using Resonance Parameters Based on Stacked Data Augmentation for Wideband Impedance Prediction of Printed Spiral Coils

Joojoong Kim, Eakhwan Song

J. Electromagn. Eng. Sci. 2025;25(2):190-201.

In recent years, various fields have conducted extensive research on neural network learning to address the growing demand for miniaturization and multi-functionalization of wireless devices. In this paper, we propose...

Free-Space Dielectric Property Measurement of Biological Tissues at W-Band Frequencies Jin-Seob Kang, Young Seung Lee, Youngcheol Park J. Electromagn. Eng. Sci. 2025;25(2):109-117. Regular Paper December 17, 2024 Full text PubReader ePub PDF	Multi-Rotor Redirection Algorithm Using GNSS Spoofer and Radar Myoung-Ho Chae, Seong-Ook Park, Seung-Ho Choi, Chae-Taek Choi J. Electromagn. Eng. Sci. 2025;25(2):118-130. Regular Paper December 17, 2024 Full text PubReader ePub PDF
Design of X-Band GaN LNA MMIC with Switched Impedance Network for Improved Noise Figure Byeong-Uk Lee J. Electromagn. Eng. Sci. 2025;25(2):131-136. Regular Paper December 17, 2024 Full text PubReader ePub PDF	A High-Gain Series-Parallel Millimeter-Wave SIW Cavity-Backed Patch Array Wenlei Wang, Huayan Jin, Lekai Zhou, Kuo-Sheng Chin, Guo Qing Luo J. Electromagn. Eng. Sci. 2025;25(2):137-143. Regular Paper December 17, 2024 Full text PubReader ePub PDF
Research on Heat Transfer of Submersible Motor Stator based on Air Gap Flow Characteristics Shibin Zhang, Huayang Ren, Yongcun Wang, Yu Miao, Yan Shang, Yunbing Feng J. Electromagn. Eng. Sci. 2025;25(2):144-153. Regular Paper December 17, 2024 Full text PubReader ePub PDF	A 6.1-to-41.5 GHz CMOS Low-Noise Amplifier for Wideband and Highly Linear Applications Yeheon Park, Kyeonghun Choe, Sanggeun Jeon J. Electromagn. Eng. Sci. 2025;25(2):154-159. Regular Paper December 17, 2024 Full text PubReader ePub PDF
Hotspot Estimation for Antenna-Less Backscatter Communication Using Excited Impedance Analysis Junwoo Cha, Choyoun Park, Youngcheol Park J. Electromagn. Eng. Sci. 2025;25(2):160-166. Regular Paper December 17, 2024 Full text PubReader ePub PDF	Calibration Method for Active Element Patterns corrupted by the Parasitic Effects of Feeding Networks Seongjung Kim J. Electromagn. Eng. Sci. 2025;25(2):167-174. Regular Paper December 17, 2024 Full text PubReader ePub PDF
Power Scaling Methods for RF Excitation Fields in MRI Systems Seon-Eui Hong, Giuseppe Carluccio, Christopher M. Collins, Hyung-Do Choi, Sukhoon Oh J. Electromagn. Eng. Sci. 2025;25(2):175-183. Regular Paper December 17, 2024 Full text PubReader ePub PDF	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 J. Electromagn. Eng. Sci. 2025;25(2):184-189. Regular Paper December 17, 2024 Cited By 1 Full text PubReader ePub PDF
Data-Selective Learning Algorithm Using Resonance Parameters Based on Stacked Data Augmentation for Wideband Impedance Prediction of Printed Spiral Coils Joojoong Kim, Eakhwan Song J. Electromagn. Eng. Sci. 2025;25(2):190-201. Regular Paper December 17, 2024 Full text PubReader ePub PDF	Miniaturized Antenna Design for Dual-Band Wi-Fi 6/6E Applications Using the Ground Radiation Technique Rui Li, Longyue Qu, Jeonghwan Kim, Huanxuan Ren, Hyung-Hoon Kim, Hyeongdong Kim J. Electromagn. Eng. Sci. 2025;25(2):202-204. Letter December 17, 2024 Full text PubReader ePub PDF

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