Mie Scattering Properties of Simple RCS Objects and Applications

Authors

  • Ilkyu Kim Department of Electrical and Electronics Engineering Sejong Cyber University, Seoul 05006, South Korea
  • Sun-Gyu Lee Radio Environment Monitoring Laboratory Electronics and Telecommunications Research Institute, Daejeon 34129, Republic of Korea
  • Jeong-Hae Lee Department of Electronic and Electrical Engineering Hongik University, Seoul 04066, Republic of Korea

DOI:

https://doi.org/10.13052/2025.ACES.J.400205

Keywords:

Aircraft-shaped objects, Mie scattering, radar cross-section (RCS), target identification

Abstract

The requirement for advanced target recognition has facilitated the evolution of radar systems, enabling classification, recognition and identification of various types of objects. Numerous studies have focused on the accurate prediction of radar cross-section (RCS) for target identification. While the magnitude of the Mie scattering has been widely employed to enhance the likelihood for target detection, the proposed method based on the frequency spectrum of Mie scattering was presented for estimation of the size of the target. An accurate size of targets was quickly estimated using the frequency of the peak Mie scattering. The frequencies of Mie scattering are investigated using different radiuses of spheres and cylinders which directly indicate the size of objects. The peak magnitudes were acquired at 105∼485 MHz and 83∼398 MHz for spheres and cylinders, respectively, as the radiuses change from 0.1 m to 0.5 m. In addition, two aircraft-shaped models consisting of an ellipsoidal body, two wings and a stabilizer are used to obtain RCS scattering with various azimuth and elevation angles. Indoor RCS measurements with a metal sphere are presented in order to validate its effectiveness.

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Author Biographies

Ilkyu Kim, Department of Electrical and Electronics Engineering Sejong Cyber University, Seoul 05006, South Korea

Ilkyu Kim received his B.S. degree in Electronics and Electrical Engineering from Hongik University, Seoul, South Korea, in 2003, the M.S. degree in Electrical Engineering from University of Southern California, Los Angeles, CA, in 2006, and Ph.D. degree in Electrical Engineering from University of California at Los Angeles in 2012. He was with Samsung Advanced Institute of Technology from 2006 to 2008. After gaining his Ph.D. degree, he joined the Defense Agency for Technology Quality, Daejeon, South Korea, where his research area was studying radar and space applications. Since 2022, he has been an assistant professor with the Department of Electrical and Electronics Engineering, Sejong Cyber University, Seoul, South Korea. His research interests include but are not limited to computation of electromagnetic mutual coupling and antenna design for space and radar applications.

Sun-Gyu Lee, Radio Environment Monitoring Laboratory Electronics and Telecommunications Research Institute, Daejeon 34129, Republic of Korea

Sun-Gyu Lee received the B.S., M.S. and Ph.D. degrees in electronic and electrical engineering from Hongik University, Seoul, South Korea, in 2016, 2018 and 2023, respectively. He was a Research Professor of the Metamaterial Electronic Device Research Center, Hongik University, Seoul, South Korea, in 2023. Since 2024, he has been working as a Senior Researcher with the Electronics and Telecommunications Research Institute, Daejeon, South Korea. His current research interests include reconfigurable metasurfaces, reconfigurable intelligent surfaces and phased array antennas.

Jeong-Hae Lee, Department of Electronic and Electrical Engineering Hongik University, Seoul 04066, Republic of Korea

Jeong-Hae Lee received the B.S. and M.S. degrees in electrical engineering from Seoul National University, South Korea, in 1985 and 1988, respectively, and the Ph.D. degree in electrical engineering from the University of California at Los Angeles, Los Angeles, CA, USA, in 1996. From 1993 to 1996, he was a Visiting Scientist of general atomics in San Diego, CA, USA, where his major research initiatives were developing a millimeter-wave diagnostic system and studying plasma wave propagation. Since 1996, he has been a Professor with the Department of Electronic and Electrical Engineering, Hongik University, Seoul, South Korea. He was President of the Korea Institute of Electromagnetic Engineering and Science in 2019. He is currently Director of the Metamaterial Electronic Device Center. He has more than 130 articles published in journals and 80 patents. His current research interests include metamaterial radio frequency devices and wireless power transfer.

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Published

2025-02-28

How to Cite

[1]
I. . Kim, S.-G. . Lee, and J.-H. . Lee, “Mie Scattering Properties of Simple RCS Objects and Applications”, ACES Journal, vol. 40, no. 02, pp. 123–129, Feb. 2025.

Issue

2025: Vol 40 Iss 2

Section

General Submission

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