A Review of Bow-Tie Antennas for GPR Applications

Nayak, Rashmiranjan; Maiti, Subrata

doi:10.1080/02564602.2018.1492357

Cited by 20 publications

(8 citation statements)

References 58 publications

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“…Various feeding mechanisms such as Microstrip Line (MPL), Coplanar Waveguide Line (CPW), coplanar parallel stripline, double sided parallel strip line etc. can be used to feed a planar antenna [44]. Among these, MPL and CPW are the most popular ones.…”

Section: Feeding Mechanismsmentioning

confidence: 99%

Performance investigation of patch and bow-tie antennas for ground penetrating radar applications

Barkataki¹,

Tiru²,

Sarma³

2021

IJATEE

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Ground penetrating radar (GPR) detects objects beneath the surface of the earth. It is also used in applications such as the characterisation of mortar cracks [1], soil surveys [2], diagnosis of pavement structures [3], bedrock identifications [4], detection of cavities in fragile regions [5], etc. Tree root biomass investigation is also done using GPR. This helps in aeration through root channels, water infiltration and soil amelioration [6]. In short, GPR has proven a useful tool in various fields of engineering, archaeology, geophysics and so on [7].The choice of the antenna greatly affects the efficiency of a GPR system. These antennas have to be custom designed, considering the fact that the system is operating close to the ground. The designers have to take into account various characteristics such as propagation path, dielectric properties of the subsurface, frequency and the bandwidth of the signal.

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Section: Feeding Mechanismsmentioning

confidence: 99%

Performance investigation of patch and bow-tie antennas for ground penetrating radar applications

Barkataki¹,

Tiru²,

Sarma³

2021

IJATEE

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“…Hence, the elliptical structure or half elliptical structure is chosen as the shape of bowtie arm in the advanced design of BA used for the GPR applications. [35] In this paper, therefore, a combination of half ellipse and arc is utilized to form the patch on the top layer, as shown in Fig. 1(a).…”

Section: A Concept and Topologymentioning

confidence: 99%

Radiation Enhancement of an Ultrawideband Unidirectional Folded Bowtie Antenna for GPR Applications

Yang

et al. 2020

IEEE Access

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An arc-shaped distributed multilayer capacitive loading structure combined with resistive loading is presented in this paper to enhance the radiation performance of folded bowtie antenna (FBA). The radiation efficiency of the loaded bowtie antenna (BA) is improved, and the low-frequency bandwidth is broadened by the bent loop circuits. Additionally, a novel technique of cavity groove is proposed to design the reflector. The optimized cavity tightly coupling with the radiation part overcomes the shortcomings of conventional cavity-backed BAs. The improved ultra-wideband (UWB) FBA with low profile is then designed and fabricated. The basic geometry of the proposed antenna is combined by a novel acorn-shaped bent bowtie patch and a hollowed stepped back cavity. The simulated-10 dB impedance bandwidth of the proposed antenna is over 100 MHz-1100 MHz while the measured operating bandwidth is 250 MHz-850 MHz. This BA of folded type obtains a high realized gain of 4 dBi at 850 MHz and a narrow pattern over the whole band. Time-domain measurements and field tests for practical ground-penetrating radar (GPR) applications have been carried out and the results demonstrate the advanced performance. INDEX TERMS Ultra-wideband (UWB), ground-penetrating radar (GPR), P-band, miniaturized antenna, folded bowtie antenna, RC-loading, radiation enhancement.

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“…The Surfaces Penetrating (SP) capability is considered for a variety of applications including environmental and civil engineering applications [15]. For all SP systems, antennas are the indispensable components that determine the performances of the system [16].…”

Section: Introductionmentioning

confidence: 99%

Dual Band Notched UWB MIMO Antenna for Surfaces Penetrating Application

Chaabane

Babouri

2019

AEM

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This paper introduces a novel compact planar Ultra-Wideband (UWB) Multiple-Input-Multiple-Output (MIMO) antenna with dual-band notched performance for Surfaces Penetrating (SP) application. To avoid interference from co-existing systems, two notched bands are introduced by including strips inside the radiating patches. The two ports MIMO antenna is printed on the low-cost FR4 substrate having a compact size of 56×32.47×1.5 mm3. The measured results indicate that the −10 dB bandwidth of the proposed MIMO antenna covers a wide bandwidth from 1.57 GHz to 12.4 GHz (155.05%) with dual-band rejection (2.04 GHz – 3.98 GHz and 4.8 GHz – 6.22 GHz). The effects of numerous construction and decoration surfaces on the antenna’s reflection coefficients are measured. Gypsum, White Portland Cement, Slate, Marble, Wood and Reinforced Concrete were tested. A good penetrating capability is measured which confirms the aptitude of the proposed MIMO antenna to work as SP antenna.

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A Review of Bow-Tie Antennas for GPR Applications

Cited by 20 publications

References 58 publications

Performance investigation of patch and bow-tie antennas for ground penetrating radar applications

Performance investigation of patch and bow-tie antennas for ground penetrating radar applications

Radiation Enhancement of an Ultrawideband Unidirectional Folded Bowtie Antenna for GPR Applications

Dual Band Notched UWB MIMO Antenna for Surfaces Penetrating Application

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