RCS Reduction of Waveguide Slot Antenna With Metamaterial Absorber

Liu, Tao; Cao, Xiangyu; Gao, Jun; Zheng, Quan; Li, Wenqiang; Yang, Huanhuan

doi:10.1109/tap.2012.2231922

Cited by 245 publications

(109 citation statements)

References 16 publications

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“…9. The 3-dB beam width is suppressed from 142 deg for common The comparison of the proposed waveguide slot antenna with metamaterials and other antennas in references [5], [14], [18] are given in Tab. 2.…”

Section: Fabrication and Measurementmentioning

confidence: 99%

“…Later, to achieve the polarization-insensitive, wide incident angle, broadband and multi-band absorption, many researchers made lots of efforts on the PMAs [9][10][11][12][13]. In 2013, a perfect metamaterial absorber with wide-angle absorption and polarization-insensitive was presented for in-band RCS reduction of waveguide slot antenna in [14]. The maximum absorptivity of 99.8% and a full width at half maximum (FWHM) of 220 MHz could be achieved for the absorber.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Ultra-Broad Band Radar Cross Section Reduction of Waveguide Slot Antenna with Metamaterials

Fu¹,

Fan²,

Li³

et al. 2016

RADIOENGINEERING

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Section: Fabrication and Measurementmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Ultra-Broad Band Radar Cross Section Reduction of Waveguide Slot Antenna with Metamaterials

Fu¹,

Fan²,

Li³

et al. 2016

RADIOENGINEERING

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“…Lots of methods for RCS reduction of antennas have been presented over the past decades [2][3][4][5][6][7], such as the using of absorbing material, resonance structures, and slot technologies. In [8], an X-shaped absorbing material is used for RCS reduction, and the RCS of antenna can be reduced up to 14 dB. However, radiation performance of the antenna is also deteriorated due to the absorbing material.…”

Section: Introductionmentioning

confidence: 99%

Gain Enhancement and Wideband RCS Reduction of a Microstrip Antenna Using Triple-Band Planar Electromagnetic Band-Gap Structure

Li¹,

Zhang²,

Yang³

et al. 2017

PIER Letters

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Abstract-A triple-band planar electromagnetic band-gap (EBG) structure used for gain enhancement and wideband radar cross section reduction (RCSR) of antenna is presented in this paper. Three bandgaps of an EBG structure are realized by introducing two planar spiral inductances on a planar EBG structure. An equivalent model of EBG is given to further understand the formation of three band-gaps. The proposed EBG is placed around antenna units and arrays to calculate the affection of the RCS and the gain. Due to the band-gaps of the EBG structure, RCS of antennas is reduced, and the gain of antennas is enhanced. Results show that the RCS is reduced as much as 20 dB from 9 GHz to 21 GHz, and both of bandwidth and gain of antennas can be slightly enhanced. Two antenna units operating at 8.6 GHz are fabricated and measured to verify the correctness of simulation. Measured and simulated results are in good agreement.

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“…Furthermore, several efforts have been made to improve its electromagnetic characteristics, such as polarization-insensitive [11,12], wide incident angle [13] and dual-band/multiband absorption [14][15][16]. The unique advantages of this kind of absorbers bring them to promising alternatives to reduce the RCS of antenna, which has attracted many attentions [17].…”

Section: Introductionmentioning

confidence: 99%

A Novel Dual-Band Metamaterial Absorber and Its Application for Microstrip Antenna

Zhang¹,

Cao²,

Gao³

et al. 2014

PIER Letters

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Abstract-In this letter, a novel dual-band metamaterial absorber is presented and analyzed. The absorber is composed of four patches on the top of a thin grounded dielectric substrate which can absorb incident wave at two different frequency bands effectively. Then the absorber is loaded on the dual-band microstrip antenna, whose working frequency bands are overlapped with that of the absorber, to reduce the in-band RCS (Radar Cross Section) of antenna. The prototype is simulated, manufactured and measured. Simulated results show that the absorption of the absorber is as high as 98.6% at 4.29 GHz and 99.8% at 6.49 GHz. As to the dual-band antenna loaded with the proposed absorber, its radiation performance is unchanged while the RCS has declined by 8.59 dB at 4.29 GHz and 9.9 dB at 6.49 GHz respectively. There is a good agreement between simulated and measured results, which verifies that this absorber can be used for in-band RCS reduction of dual-band antenna so as to improve its in-band stealth performance.

show abstract

RCS Reduction of Waveguide Slot Antenna With Metamaterial Absorber

Cited by 245 publications

References 16 publications

Ultra-Broad Band Radar Cross Section Reduction of Waveguide Slot Antenna with Metamaterials

Ultra-Broad Band Radar Cross Section Reduction of Waveguide Slot Antenna with Metamaterials

Gain Enhancement and Wideband RCS Reduction of a Microstrip Antenna Using Triple-Band Planar Electromagnetic Band-Gap Structure

A Novel Dual-Band Metamaterial Absorber and Its Application for Microstrip Antenna

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