Abstract A linearly polarized dual-resonant millimeter-wave absorber for Radio Detection And Ranging (RADAR)applications is presented in this paper. The frequency-selective absorber (FSA) is composed of solitarily using the distributed elements. The proposed FSA achieves a dual-band resonance characteristic utilizing the mutual coupling between concentric square loops, the second harmonic mode of the Jerusalem cross, and the corrugated cross grids. The proposed dual-band FSA operates from 25.5 to 26.5 GHz (1 GHz) ( f L ) and 31.8 GHz–32.5 GHz (0.7 GHz) ( f H ) with minimum absorptivity of 96% and 92%, respectively. The desired frequency response of the proposed unit cell is demonstrated by an equivalent circuit model. The FSA prototype is fabricated and the simulated results are validated using experimental measurements. The proposed FSA is a suitable candidate for stealth application in defense and military systems.

Geethanjali Govindarajan

Mohammed Gulam Nabi Alsath

Kirubaveni Savarimuthu

Malathi Kanagasabai

International Journal of Microwave and Wireless Technologies

INTERNATIONAL JOURNAL OF MICROWAVE AND WIRELESS TECHNOLOGIES 的主要目标是加强全世界微波工程师之间的交流。因此，它是跨学科和面向应用的，为微波行业提供了一个平台。涵盖范围包括：应用电磁场理论（天线、传输线和波导）、组件（无源结构和半导体器件技术）、模拟和混合信号电路、系统、光-微波相互作用、电磁兼容性、工业应用、生物效应和医学应用程序。

The primary goal of the International Journal of Microwave and Wireless Technologies is to enhance communication among microwave engineers worldwide. This interdisciplinary and application-oriented journal provides a significant platform for the microwave industry. The scope includes: applied electromagnetic field theory (such as antennas, transmission lines, and waveguides), components (passive structures and semiconductor device technologies), analog and mixed-signal circuits, systems, optical-microwave interactions, electromagnetic compatibility, industrial applications, biological effects, and medical applications.

《International Journal of Microwave and Wireless Technologies》的主要目标是促进全球微波工程师之间的交流。该期刊跨学科且注重应用，为微波行业提供了一个重要的平台。其涵盖的领域包括：应用电磁场理论（如天线、传输线和波导）、组件（无源结构和半导体器件技术）、模拟与混合信号电路、系统、光-微波相互作用、电磁兼容性、工业应用、生物效应及医学应用等。

Category	Quartile
计算机科学	4
计算机科学, 工程电子与电气	4
计算机科学, 电信学	4

A novel dual-band absorber for millimeter-wave RADAR applications

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