Related Experiment Video
Updated: Dec 21, 2025
07:14
Tracking Infiltration Front Depth Using Time-lapse Multi-offset Gathers Collected with Array Antenna Ground Penetrating Radar
Published on: May 1, 2018
8.1K
Ultra Wideband Radar Cross Section Reduction by using non-Resonant Unit Cells
Morteza Nadi1, Seyed Hassan Sedighy2, Mohamad Khalaj-Amirhosseini1
1School of Electrical Engineering, Iran University of Science and Technology, Tehran, Iran.
Scientific Reports
|May 16, 2020
Summary
A novel approach designs ultra-wideband radar cross section reduction (RCSR) metasurfaces using non-resonant unit cells. A low-cost metasurface achieved over 10-dB RCSR from 5.22 to 30.85 GHz, offering practical applications.
Area of Science:
- Electromagnetics
- Materials Science
Background:
- Metasurfaces offer advanced control over electromagnetic waves.
- Achieving ultra-wideband radar cross section reduction (RCSR) is crucial for stealth applications.
Purpose of the Study:
- To propose a general method for designing ultra-wideband RCSR metasurfaces.
- To develop a low-cost, high-performance RCSR metasurface using non-resonant unit cells.
Main Methods:
- Utilizing non-resonant unit cells in a chessboard arrangement.
- Employing a genetic optimization algorithm for parameter tuning.
- Fabricating and testing a low-cost metasurface on FR-4 substrate.
Main Results:
- Designed miniaturized artificial magnetic conductor unit cells.
- Achieved a 10-dB RCSR bandwidth of 142% (5.22–30.85 GHz) with the low-cost metasurface.
- Demonstrated significantly wider bandwidth compared to state-of-the-art references.
Conclusions:
- The proposed general approach enables the design of effective ultra-wideband RCSR metasurfaces.
- The developed low-cost metasurface is simple, lightweight, and suitable for practical applications.
- This research advances the field of electromagnetic stealth technology.
