Self-Complementary Antennas

Mushiake, Y.

doi:10.1007/978-1-4471-1003-3

Cited by 110 publications

(35 citation statements)

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“…The proposed Self Complementary Bow-Tie (SCBT)-antenna has been designed through applying the self-complementary principle [11]. The design idea stems from a modification on the triangular monopole antenna by adding an opposite triangular slot on its ground plane, and bending its microstrip feed line, as can be seen in Fig.…”

Section: The Self-complementary Bow-tie Antenna (Scbt-antenna)mentioning

confidence: 99%

A Planar Self-Complementary Bow-Tie Antenna for Uwb Applications

Sayidmarie¹,

Fadhel²

2013

PIER C

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Abstract-A new planar bow-tie antenna is proposed here for UWB applications. The self-complementary principle has been applied to a planar triangular monopole antenna along with bending the microstrip feed line. The antenna has a wider frequency band compared to the traditional bow-tie antenna, complies with the UWB requirements and it is directly matched to the (SMA) connector via 50 Ω microstrip feed line. This antenna has a simple shape which overcomes the complicated matching techniques using baluns or impedance matching sections that are commonly used in bow-tie antennas for widening their limited bandwidths. Another improvement on this new bowtie antenna is achieved through fractal self-similarity repetition of the triangular shape on each of the patch and its complimentary slot. The simulation results obtained from the CST and HFSS software packages are verified by experimental measurements.

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Section: The Self-complementary Bow-tie Antenna (Scbt-antenna)mentioning

confidence: 99%

A Planar Self-Complementary Bow-Tie Antenna for Uwb Applications

Sayidmarie¹,

Fadhel²

2013

PIER C

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“…1 shows the configuration of the equiangular spiral antenna. The two arms are symmetric with respect to the center and are wound to be self-complementary [8]. These spiral arms , where is a constant; a is the arm growth constant; and is the winding angle, ranging from radians to radians.…”

Section: Configurationmentioning

confidence: 99%

“…For the field calculation, first, the entire electric and magnetic (EM) fields within the antenna analysis space including the (original fields) are determined by using the FDTDM. Second, the radiation from the is calculated using the equivalence principle [8], using some of the original fields that exist over a surface enclosing the .…”

Section: B Equiangular Spiral With An Ebg Reflectormentioning

confidence: 99%

Low-Profile Equiangular Spiral Antenna Backed by an EBG Reflector

Nakano

Kikkawa

Kondo

et al. 2009

IEEE Trans. Antennas Propagat.

100

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Abstract-The bi-directional beam from an equiangular spiral antenna (EAS) is changed to a unidirectional beam using an electromagnetic band gap (EBG) reflector. The antenna height, measured from the upper surface of the EBG reflector to the spiral arms, is chosen to be extremely small to realize a low-profile antenna: 0.07 wavelength at the lowest analysis frequency of 3 GHz. The analysis shows that the EAS backed by the EBG reflector does not reproduce the inherent wideband axial ratio characteristic observed when the EAS is isolated in free space. The deterioration in the axial ratio is examined by decomposing the total radiation field into two field components: one component from the equiangular spiral and the other from the EBG reflector. The examination reveals that the amplitudes and phases of these two field components do not satisfy the constructive relationship necessary for circularly polarized radiation. Based on this finding, next, the EBG reflector is modified by gradually removing the patch elements from the center region of the reflector, thereby satisfying the required constructive relationship between the two field components. This equiangular spiral with a modified EBG reflector shows wideband characteristics with respect to the axial ratio, input impedance and gain within the design frequency band (4-9 GHz). Note that, for comparison, the antenna characteristics for an EAS isolated in free space and an EAS backed by a perfect electric conductor are also presented.Index Terms-Electromagnetic band gap (EBG) reflector, equiangular spiral, extremely low-profile structure, wideband operation.

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“…The self-complementary antenna has proved a broad impedance bandwidth and firstly proposed in 1992 [13][14]. The basic feature of the self-complementary is shown in Figure 1.…”

Section: Introductionmentioning

confidence: 99%

Frequency Independent Self Complementary Bow Tie Antenna Design for GPR Applications

Karamzadeh¹,

Kiliç²,

Demirbaş³

et al. 2017

ANADOLU UNIVERSITY JOURNAL OF SCIENCE AND TECHNOLOGY a - Applied Sciences and Engineering

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Today, the technological evolvements have contributed to the development of Ground Penetration Radar (GPR) systems. GPR systems are used in a lot of fields such as; military field, civilian life and commercial activities. Besides, antenna design for the GPR system is so important. The designed GPR antennas should have lower than 1 GHz start frequency for more penetration and getting information about the object in the deeper layers of ground or any obstacle. Also, with wide band properties obtaining high resolution data would be available. In this paper, a Self-Complementary bow tie antenna is proposed. The start frequency of designed antenna is from 0.45 GHz and it works frequency independently. Simulation and fabrication results are presented for designed antenna.

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Self-Complementary Antennas

Cited by 110 publications

References 0 publications

A Planar Self-Complementary Bow-Tie Antenna for Uwb Applications

A Planar Self-Complementary Bow-Tie Antenna for Uwb Applications

Low-Profile Equiangular Spiral Antenna Backed by an EBG Reflector

Frequency Independent Self Complementary Bow Tie Antenna Design for GPR Applications

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