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wideband antennas

Design and characterisation of wideband antennas for microwave imaging applications

Design and characterisation of wideband antennas for microwave imaging applications

... Since broad BW antenna is required to provide better image resolution compared to narrow BW antenna, several wideband antennas have been designed [51]– [53]. Antenna in [54] and [55] uses the folding ...

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Design and analysis of ultra-wideband antennas for transient field excitations

Design and analysis of ultra-wideband antennas for transient field excitations

... ultra- wideband antennas for the application of transient field mea- surements that are characterized by frequency spectra that typically range from a few MHz to several ...that antennas of the ...

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Introduction to Ultra-Wideband Antennas

Introduction to Ultra-Wideband Antennas

... UWB antennas: they are typically “multi-narrowband” antennas instead of antennas optimized to receive a single coherent signal across their entire operating ...

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Radiofrequency Performances of Transparent Ultra-Wideband Antennas

Radiofrequency Performances of Transparent Ultra-Wideband Antennas

... etc. antennas with soft visual impact became an attractive solution to optimize their integration in the critical areas such as historical city center, shops, ...transparent antennas have been published in ...

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A Stopband Control Technique for Conversion of CPW-Fed Wideband Antennas to UWB

A Stopband Control Technique for Conversion of CPW-Fed Wideband Antennas to UWB

... performance in UWB was reported [10] but not validated experimentally. In [10], the use of symmetrical square slots in the modified ground plane to adjust the impedance bandwidth of the unique wideband patch ...

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Effects of Defected Waveguide Structure Toward Wideband Monopole Antennas

Effects of Defected Waveguide Structure Toward Wideband Monopole Antennas

... In recent years, a burgeoning demand on high resolution and high data rate has kept growing in the modern communication technology. Thus, ultra-wideband (UWB) technology was developed to support maximum bandwidth. ...

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Conformal Wideband Microstrip Patch Antennas on Cylindrical Platforms

Conformal Wideband Microstrip Patch Antennas on Cylindrical Platforms

... slot is cut in the center of the patch. The vertical and horizontal lengths of the slot are 6.8 mm and 7.6 mm, respectively. The patch is excited by a 50 Ω coaxial probe, which is located at 0.3 mm off the center of the ...

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Multiband Microstrip Antenna for Software Defined Radio/Cognitive Radio based Wireless Communication Systems

Multiband Microstrip Antenna for Software Defined Radio/Cognitive Radio based Wireless Communication Systems

... and wideband antennas for use in commercial communications ...terminal antennas that are multiband and/or wide ...the antennas desired operational frequency ...

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Design of a Rectangular Metallic Monopole Antenna with Protruding Normal Plates for Applications in UWB Communication

Design of a Rectangular Metallic Monopole Antenna with Protruding Normal Plates for Applications in UWB Communication

... ultra-wideband antennas have been of interest in many systems, such as wireless communication systems, high data rate systems, position detection and tracking, remote sensing, imaging and indoor radar ...

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A Novel Ultra-Broadband Rotated Cross Monopole Antenna for Wireless Communication

A Novel Ultra-Broadband Rotated Cross Monopole Antenna for Wireless Communication

... and wideband antenna has attracted more and more interest with the rapid development of wireless ...achieving antennas that can cover multi-bands by using only one antenna ...promising wideband ...

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Nonlinear characterisation of reconfigurable antennas

Nonlinear characterisation of reconfigurable antennas

... Enormous possibilities offered by modern signal processing have enlightened the software radio concept. From hardware point of view, SDR can be described as a system in which the majority of the functionality is defined ...

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New Traveling Wave Antenna Resonating at 6 GHz Based on Artificial Transmission Line Metamaterial Structures for RF Portable Devices

New Traveling Wave Antenna Resonating at 6 GHz Based on Artificial Transmission Line Metamaterial Structures for RF Portable Devices

... conventional wideband antennas and smaller size than conventional compact antennas and this antenna can be fabricated in a low cost and low-profile printed circuit board (PCB) using standard PCB ...

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Super Wideband Wearable Fractal Antenna For Wireless Communication

Super Wideband Wearable Fractal Antenna For Wireless Communication

... two wideband antennas (especially UWB antenna), The authors have used and index term that will allow antenna engineers to identify if their planar antenna design (compared against the other design) is very ...

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Design and Analysis of Different Bow-Tie Configurations for Submarines

Design and Analysis of Different Bow-Tie Configurations for Submarines

... by wideband antennas within the limited ...of wideband is that they can simultaneously access intermediate frequencies within a frequency ...of wideband antenna which is solely defined by its ...

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Integrated Ultra-Wideband Plannar Monopole with Cylindrical Dielectric Resonator Antennas

Integrated Ultra-Wideband Plannar Monopole with Cylindrical Dielectric Resonator Antennas

... with a relatively large metallization area as a ground plane for an additional antenna has been proposed in [14]. Achieving adequate isolation between the two ports is one of the main issues in the design of integration. ...

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Wideband Sierpinski Carpet Fractal Shaped Cylindrical Dielectric Resonator Antenna for X Band Application

Wideband Sierpinski Carpet Fractal Shaped Cylindrical Dielectric Resonator Antenna for X Band Application

... In this work we have presented a rule based method to achieve wideband performance by drilling out Sierpinski carpet fractal patterned regions from a CDRA. Section 2 deals with antenna design methodology and ...

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A Wideband Collocated Antennas with Five Reconfigurable Patterns and Low Mutual Coupling

A Wideband Collocated Antennas with Five Reconfigurable Patterns and Low Mutual Coupling

... A proposed wideband collocated antenna system has the potential to provide five uncorrelated radiation patterns with only two ports. The antenna elements exhibit a low mutual coupling since they are around −17 dB ...

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Investigation of a Cross-Slot-Coupled Dual-Band Circularly Polarized Hybrid Dielectric Resonator Antenna

Investigation of a Cross-Slot-Coupled Dual-Band Circularly Polarized Hybrid Dielectric Resonator Antenna

... Figure 6 shows the simulated AR for different values of l. From Figure 6, the length l has a significant impact on the CP performance at both bands. To improve the CP performance of the antennas with l = 17.6 mm ...

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A Novel Rectangular Ring Planar Monopole Antennas for Ultra-Wideband Applications

A Novel Rectangular Ring Planar Monopole Antennas for Ultra-Wideband Applications

... of wideband rectangular ring monopole antenna has an area of 24 mm × 20 ...The wideband antenna design is shown in Figure ...two antennas are symmetrical along the x -axis and y ...

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Development of Graphene Based Tapered Slot Antennas for Ultra-Wideband Applications

Development of Graphene Based Tapered Slot Antennas for Ultra-Wideband Applications

... The efficacy of modeled graphene based TSAs is analyzed by comparing their performances with other existing UWB antennas as shown in Table 2. It is observed from this table that the graphene based TSAs designed in ...

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