A Reflectarray Antenna Backed on FSS for Low RCS and High Radiation Performances

Li, Hua; Wang, Bing‐Zhong; Zheng, Gang; Shao, Wei; Guo, and Lin

doi:10.2528/pierc10070303

Cited by 42 publications

(21 citation statements)

References 22 publications

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“…The FSS structures are commonly used as antenna radomes to eliminate undesired frequency components. They are also used in dual-band Cassegrain reflector systems [6,7]. The principle of operation of an FSS is very similar to that of a waveguide filter.…”

Section: Introductionmentioning

confidence: 99%

A Second-Order BPF Using a Miniaturized-Element Frequency Selective Surface

Manoochehri¹,

Abbasiniazare²,

Torabi³

et al. 2012

PIER C

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Abstract-A new type of low-profile frequency selective surface (FSS) with an overall thickness of λ/40 and a second-order band pass frequency response is presented. The proposed FSS is composed of two metal layers, separated by a thin dielectric substrate. Each layer is a two-dimensional periodic structure with sub-wavelength periodic unit cells. By printing the same topology on each side of the substrate, a second-order frequency response is realized. To provide a physical insight into the operating mechanism, equivalent circuit networks are also investigated in each step of design procedure. Using the proposal technique, low profile and reduced sensitivity to angle of incident wave for both TE and TM polarizations are obtained and the overall thickness of the substrate is fairly thin. FSS samples are designed, fabricated, and installed in waveguide operating at X-band and a good agreement between the simulated and measured results is achieved.

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Section: Introductionmentioning

confidence: 99%

A Second-Order BPF Using a Miniaturized-Element Frequency Selective Surface

Manoochehri¹,

Abbasiniazare²,

Torabi³

et al. 2012

PIER C

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“…A way to reduce the structural component of antenna RCS is to replace the solid ground plane with a band-stop spatial filter allowing the incoming energy to flow through the structure, out of the operating frequency band [15]. This approach is usually applied to reflectarray antennas [15][16][17] but in our previous works [18,19] we have shown the possibility of applying the same concept to microstrip antenna arrays. In [19], the metallic ground plane of a printed microstrip array has been replaced by a hybrid metallic FSS structure with very low radiation losses.…”

Section: Introductionmentioning

confidence: 99%

A Frequency Selective Absorbing Ground Plane for Low-RCS Microstrip Antenna Arrays

Costa¹,

Genovesi²,

Monorchio³

2012

PIER

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Abstract-An efficient strategy for reducing the signature of an antenna is to substitute the conventional solid ground plane with a patterned ground plane thus letting the incoming energy to pass through the structure except over the operating band of the antenna. However, in a real environment, the energy flowing through the FSS (Frequency Selective Surface) can be intercepted by eventual scatterers located behind the antenna, so to nullify the RCS (Radar Cross Section) reduction. To overcome this drawback, a novel composite structure is proposed which is able to dissipate such energy by placing a thin absorbing layer below the FSS ground. It is shown that a careful analysis has to be performed to accomplish this goal since the transparent antenna array and the backing absorber strongly interact and thus they cannot be separately designed. The optimal value of the foam spacer thickness between the FSS ground and the absorbing layer is investigated by an efficient equivalent transmission line approach. Criteria for enlarging the low-RCS band with respect to the free space design are also provided. An antenna array prototype backed by the thin multilayer structure is finally manufactured and tested.

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“…However, when the operation frequency is low, the element size will be so large that it is difficult to fill enough elements in a reasonable size. Hence miniaturization of FSS is of great significance [4][5][6][7][8][9][10].…”

Section: Introductionmentioning

confidence: 99%

Application of Bionics in Frequency Selective Surface Design and Antenna Radar Cross Section Reduction

Jiang¹,

Hong²,

Gong³

2013

PIER C

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Abstract-Bionics principle is applied to frequency selective surface (FSS) design in this paper. To authenticate the method, a novel bionic and miniaturized FSS is proposed by use of a model of alternate phyllotaxis. The simulated and measured results show that the proposed FSS has a much smaller size and maintains other FSSrelated performances. To study the applications of the novel bionic FSS in practice, it is used for the ground plane of an antenna array to reduce the antenna radar cross section (RCS). Compared to a reference antenna, the antenna with bionic FSS has lower RCS and favorable radiation performance. Hence, applying bionics principle to FSS design and antenna RCS reduction is proved feasible, which will serve as a good candidate for the future design of FSS and antennas with or without a requirement of RCS control.

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A Reflectarray Antenna Backed on FSS for Low RCS and High Radiation Performances

Cited by 42 publications

References 22 publications

A Second-Order BPF Using a Miniaturized-Element Frequency Selective Surface

A Second-Order BPF Using a Miniaturized-Element Frequency Selective Surface

A Frequency Selective Absorbing Ground Plane for Low-RCS Microstrip Antenna Arrays

Application of Bionics in Frequency Selective Surface Design and Antenna Radar Cross Section Reduction

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