Reconfigurable RCS Reduction from Curved Structures Using Plasma Based FSS

Zainud-Deen, S.H.; Malhat, Hend A.; Shabayek, N. A.

doi:10.1007/s11468-019-01048-y

Cited by 26 publications

(11 citation statements)

References 17 publications

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“…The plasma characteristics generated from the DBD generator considerably vary depending on the frequency and voltage of the bias signal as well as the surrounding gas and pressure [9]. In this study, the experiment was conducted by changing the bias signal to identify the conditions for the optimal plasma generation with the naked eye.…”

Section: Experimental Results and Analysismentioning

confidence: 99%

“…For comparison, Figure 7 also shows the full-wave simulated results obtained thru CST [11]. Simulations are performed based on the Drude model in Equation ( 3), which is a popular model that describes its interaction between plasma and electromagnetic waves [8,9,12,15,16]. For comparison, Figure 7 also shows the full-wave simulated results obtained thru CST [11].…”

Section: Experimental Results and Analysismentioning

confidence: 99%

“…The dielectric barrier discharge (DBD) generator is relatively thin, does not require a separate cooling device, and can generate plasma over a large area, thus being easy to apply to large areas such as an aircraft. Another study analyzed the effect of reducing plasma RCS according to the change of the plasma driving frequency by designing a parallel capacitor plate type DBD generator, and it was confirmed through an experiment that the maximum decrease in RCS according to the presence or absence of plasma was 3.1 dB [9]. However, these plasma detection studies resulted in relatively small RCS reductions compared to other methods.…”

Section: Introductionmentioning

confidence: 98%

“…The real part of the plasma dielectric constant is 1 or less, and the imaginary part has a relatively large value such that the loss is higher than that of other materials. Therefore, extensive research has been conducted based on the suitability of plasma in detection technology [5][6][7][8][9].…”

Section: Introductionmentioning

confidence: 99%

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Plasma Generator with Dielectric Rim and FSS Electrode for Enhanced RCS Reduction Effect

Cho

Ahn

et al. 2021

Sensors

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In this study, a method was experimentally verified for further reducing the radar cross-section (RCS) of a two-dimensional planar target by using a dielectric rim in a dielectric barrier discharge (DBD) plasma generator using a frequency selective surface (FSS) as an electrode. By designing the frequency selective surface such that the passbands of the radar signal match, it is possible to minimize the effect of the conductor electrode, in order to maximize the RCS reduction effect due to the plasma. By designing the FSS to be independent of the polarization, the effect of RCS reduction can be insensitive to the polarization of the incoming wave. Furthermore, by introducing a dielectric rim between the FSS electrode and the target, an additional RCS reduction effect is achieved. By fabricating the proposed plasma generator, an RCS reduction effect of up to 6.4 dB in X-band was experimentally verified.

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Section: Experimental Results and Analysismentioning

confidence: 99%

Section: Experimental Results and Analysismentioning

confidence: 99%

Section: Introductionmentioning

confidence: 98%

Section: Introductionmentioning

confidence: 99%

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Plasma Generator with Dielectric Rim and FSS Electrode for Enhanced RCS Reduction Effect

Cho

Ahn

et al. 2021

Sensors

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“…Basically, there are two methods to reduce antenna RCS without using material techniques or changing incident field direction [6]. They are, either, using suitable loading modifications [5,7] or using structural modifications as adding parasitic elements or reflectors [8,9].…”

Section: Introductionmentioning

confidence: 99%

Load Condition for Minimum Backscattering Antennas

Abdulwali

Alkanhal

2021

Lecture Notes in Electrical Engineering

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The scattered fields of antennas can be decomposed into two terms; one depends only on the structure of the antenna while the other depends on the antenna radiation parameters and the loading conditions. This decomposition is used to investigate the antenna radar cross section (RCS) behavior with variable loadings. Then, a general analytical load condition for zero or minimum bistastic radar cross section is derived. The derived formula is used to obtain the regions of feasible passive loads for zero backscattering for three different antenna structures. The backscattering levels of these antennas are examined to validate this formula. The results demonstrate the validity of the procedure with almost zero backscattering for all structures with evident RCS reduction factors.

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