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  • Dielectric tapered rod antennas for millimeter-wave ...

    Dielectric tapered rod antennas for millimeter-wave applications. Abstract: Tapered dielectric rod antennas of rectangular cross section are developed for possible application in millimeter-wave dielectric integrated circuits. Design principles for a maximum gain design are described, and an example is given. Experimental results for antennas ...

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  • Tapered Dielectric Rod Antenna | Request PDF

    This technique benefits of the local mode theory to predict the transverse distribution of polarization currents in the tapered dielectric rod. The method results in …

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  • Dielectric Resonator Antenna Fed by Tapered Dielectric Rod ...

    2020-7-10 · The design consists of a rectangular dielectric resonator placed at the top of a rectangular dielectric rod waveguide (RDRW) to eliminate loss from metallic parts used to feed the DRA. The antenna is fed by a metallic waveguide (WR-34) that operates in the range of 22 to 33 GHz. The structural design and simulation results are shown in this paper.

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  • Tapered Dielectric Rod Antenna | SpringerLink

    Niver E. (2006) Tapered Dielectric Rod Antenna. In: Göknar İ.C., Sevgi L. (eds) Complex Computing-Networks. Springer Proceedings in Physics, vol 104. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-30636-6_12. DOI https://doi.org/10.1007/3-540-30636-6_12; Publisher Name Springer, Berlin, Heidelberg; Print ISBN 978-3-540-30635-1

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  • Dielectric tapered rod antennas for millimeter-wave ...

    1982-1-1 · Experimental results are presented for several types of tapered dielectric rod antennas of rectangular cross section investigated at 81.5 GHz. The antennas are based on Zucker's (1961) design principles for low sidelobes and maximum gain adapted to rods of rectangular cross section. The gain and beamwidth plots for the antennas tested are shown.

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  • A tapered-permittivity rod antenna for ground penetrating ...

    2001-7-1 · Tapered-permittivity dielectric rod antenna The ultra-wide bandwidth dielectric rod antenna developed by Chen et al. (accepted for publication) utilizes a circular dielectric cylinder made of homogeneous material to guide the electromagnetic …

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  • A tapered-permittivity rod antenna for ground penetrating ...

    2002-3-27 · 26 along the rod and then radiated from the other end where the rod diameter is linearly tapered to a point. The 27 tapered-permittivity design uses an additional permittivity taper to overcome the problem of a frequency-dependent pattern 28 when high dielectric material is used for size reduction. This new design reduces the internal reflections at the tapered

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  • Tapered Dielectric Rod Antenna - NASA/ADS

    adshelp[at]cfa.harvard.edu The ADS is operated by the Smithsonian Astrophysical Observatory under NASA Cooperative Agreement NNX16AC86A

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  • [PDF] A tapered-permittivity rod antenna for ground ...

    The tapered-permittivity design uses an additional permittivity taper to overcome the problem of a frequency-dependent pattern when high dielectric material is used for size reduction. This new design reduces the internal reflections at the tapered section and results in better efficiency and less antenna clutter.

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  • Dielectric tapered rod antennas for millimeter-wave ...

    Experimental results are presented for several types of tapered dielectric rod antennas of rectangular cross section investigated at 81.5 GHz. The antennas are based on Zucker's (1961) design principles for low sidelobes and maximum gain adapted to rods of rectangular cross section. The gain and beamwidth plots for the antennas tested are shown.

    Get Price
  • Tapered Dielectric Rod Antenna - NASA/ADS

    adshelp[at]cfa.harvard.edu The ADS is operated by the Smithsonian Astrophysical Observatory under NASA Cooperative Agreement NNX16AC86A

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  • [PDF] A tapered-permittivity rod antenna for ground ...

    A new dielectric rod antenna design modified from its previous version developed by Chen [IEEE Trans. Geosci. Remote Sens. (accepted for publication)] is presented. Such an antenna is useful in detecting small and shallow subsurface objects with excellent depth and spatial resolutions. These features make it useful in detecting small anti-personnel (AP) mines, pavement cracks and the …

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  • 6'th International Symposium on Telecommunications (IST ...

    2013-5-17 · tapered dielectric wedge [13] and tapered rod antenna [14]. However, the result in [13] is only in two-dimension and the analysis in [14] is very brief with no details. In this paper, a simplified semi-rigorous approach to the analysis of tapered dielectric antennas is proposed and applied to the dielectric rod configuration of Fig. 1.

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  • Dielectric step-tapered rod antenna array for millimeter waves

    In this paper, a two-element step-tapered rod antenna array for millimeter waves is designed and analyzed. It is easier to fabricate than pyramidal-prismatic tapers antenna, and has potential applications in millimeter waves and terahertz dielectric integrated circuits.

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  • Design of a mm-wave Planar CPW-fed Tapered Dielectric Rod ...

    2017-3-21 · Tapered dielectric rod antenna is chosen to achieve high radiation efficiency. The antenna is designed on two common substrates with high permittivity: alumina (Al 2 O 3) and high resistive Silicon. Both substrates are very low loss and many

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  • Tapered dielectric image-line antenna array for millimeter ...

    In this paper, a high-gain tapered dielectric image-line (DIL) antenna array is presented for 30 GHz frequency range. Each element of the array is designed and optimized for maximum gain and minimum side-lobes. A novel array structure is proposed to increase the gain and suppress the side-lobs. An estimated 21.5 dB gain has been achieved with a 3-element array structure.

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  • Design of Short Axial Length High Gain Dielectric Rod Antenna

    2013-2-24 · Abstract—A novel design of dielectric rod antenna is presented here. Compared to the conventionally used tapered dielectric antennas, this configuration is capable of producing higher gain for a given length of the antenna. The design of an antenna using the new configuration having a gain of 16.7 dBi at 5.6 GHz is discussed.

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  • (PDF) Evolved-Profile Dielectric Rod Antennas | Andrew ...

    A dielectric rod antenna which produces a radiation pattern with low sidelobes is useful in a FPA to reduce the interaction between array elements and the effect of stray radiation entering the sidelobes.A dielectric rod with maximum gain for a given rod length is attractive for applications such as for millimeter-wave communications where an ...

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  • (PDF) A 600 GHz dielectric rod antenna - researchgate.net

    A dielectric rod antenna operating at 600GHz w as. presented as a possible focal plane array element. The. fabrication process for the antenn a was …

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  • Circular Array of Tapered Nylon Rod Antennas: A ...

    2013-6-8 · Radiation from Tapered Nylon rod antenna The radiation from a dielectric rod antenna mainly depends on the dielectric material used to fabricate the antenna, physical shape of the antenna, and the method of excitation of the antenna. The dielectric rod antenna is excited in the hybrid HE 11 mode. The advantage of asymmetric HE

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  • Experimental Studies on Tapered Nylon Rod Antennas

    2013-6-8 · The portion of the dielectric rod radiating into space is given a small taper to obtain matching between the dielectric rod and surrounding space. In the present work, Nylon tapered dielectric rod antennas are fabricated for a length of 6λ0 with different taper angles. The dielectric rod antenna is designed to work at a frequency of 10 GHz.

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  • 6'th International Symposium on Telecommunications (IST ...

    2013-5-17 · tapered dielectric wedge [13] and tapered rod antenna [14]. However, the result in [13] is only in two-dimension and the analysis in [14] is very brief with no details. In this paper, a simplified semi-rigorous approach to the analysis of tapered dielectric antennas is proposed and applied to the dielectric rod configuration of Fig. 1.

    Get Price
  • NEW METHOD FOR ULTRA WIDE BAND AND HIGH GAIN

    2018-1-14 · Dielectric rod antennas have been researched for many years [1{6]. Dielectric resonator antennas have also been studied for many years. Resonator antenna has lower gain comparing with tapered rod antenna because most of the wave inside the antenna is standing wave. Normally dielectric rod antennas are tapered at the end of the antenna

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  • Dielectric Rod Antenna | Physics Forums

    2018-7-2 · A dielectric rod antenna is small in diameter but long in wavelengths. The dielectric rod is often tapered to a point, which makes it an end-fire element with gain. You may be right, it depends on where you draw the line, metallic conduction, guided or a spherical wave. tech99 said:

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  • All-dielectric rod antenna array for terahertz ...

    2013-2-24 · Abstract—A novel design of dielectric rod antenna is presented here. Compared to the conventionally used tapered dielectric antennas, this configuration is capable of producing higher gain for a given length of the antenna. The design of an antenna using the new configuration having a gain of 16.7 dBi at 5.6 GHz is discussed.

    Get Price
  • Design of Short Axial Length High Gain Dielectric Rod Antenna

    2013-1-12 · A novel method for tapered rectangular dielectric rod antenna design is presented. This method can be used to design from millimetre to terahertz antennas. The work modes of antenna have been analyzed. The input modes are fundamental mode and second mode, and the end-fire mode is only fundamental mode. The calculation formulas for bottom ...

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  • New Method for Ultra Wide Band and High Gain Rectangular

    2019-7-31 · Design of Rectangular Rod Antennas. e structure of a tapered rectangular dielectric rod antenna is shown in Figure ( b). e bottom diameters are 1 and 1,thetop diameters are 2 and 2, and the length of the antenna is . For rectangular dielectric rod antenna, the bottom dimensions should satisfy the following condition [] : 1 2 1 1 < 1 1 < 1 1 ,

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  • Circular Array of Tapered Nylon Rod Antennas: A ...

    2013-6-8 · Radiation from Tapered Nylon rod antenna The radiation from a dielectric rod antenna mainly depends on the dielectric material used to fabricate the antenna, physical shape of the antenna, and the method of excitation of the antenna. The dielectric rod antenna is excited in the hybrid HE 11 mode. The advantage of asymmetric HE

    Get Price
  • Experimental Studies on Tapered Nylon Rod Antennas

    2014-12-14 · The portion of the dielectric rod radiating into space is given a small taper to obtain matching between the dielectric rod and surrounding space. In the present work, Nylon tapered dielectric rod antennas are fabricated for a length of 6λ0 with different taper angles. The dielectric rod antenna is designed to work at a frequency of 10 GHz.

    Get Price
  • 6'th International Symposium on Telecommunications (IST ...

    2013-5-17 · tapered dielectric wedge [13] and tapered rod antenna [14]. However, the result in [13] is only in two-dimension and the analysis in [14] is very brief with no details. In this paper, a simplified semi-rigorous approach to the analysis of tapered dielectric antennas is proposed and applied to the dielectric rod configuration of Fig. 1.

    Get Price
  • (PDF) Evolved-Profile Dielectric Rod Antennas | Andrew ...

    A dielectric rod antenna which produces a radiation pattern with low sidelobes is useful in a FPA to reduce the interaction between array elements and the effect of stray radiation entering the sidelobes.A dielectric rod with maximum gain for a given rod length is attractive for applications such as for millimeter-wave communications where an ...

    Get Price
  • [PDF] A new ultrawide-bandwidth dielectric-rod antenna for ...

    A new ultrawide-bandwidth dielectric-rod antenna is presented with its application in detecting shallow targets, such as antipersonnel (AP) mines. The lowest hybrid mode is launched and guided along a circular-dielectric waveguide. The end of the waveguide is tapered to a point where electromagnetic waves are radiated out with field behavior similar to that radiated from a …

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  • 16 Design of a Wideband Widebeam Vivaldi Phased Array ...

    2015-2-27 · A tapered slot antenna uses a slot line etched on a dielectric material, which is widening through its length to produce an endfire radiation. An electromagnetic [EM] wave propagates through the surface of the antenna substrate with a velocity less than the speed of light which makes TSAs gain slow wave antenna properties.

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  • Vivaldi Antenna - Radartutorial

    2021-6-2 · Tapered Slot Antenna (Vivaldi- Antenna) Tapered Slot Antenna (TSA) (also-called: Vivaldi antenna) is an extremely broadband slot antenna (over several octaves), wherein the slot is widened conically.This antenna was presented at the 9th European Microwave Conference (EuMic) in 1979 by P. J. Gibson under the name “The Vivaldi Aerial”. ...

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  • Advantages of Vivaldi Antenna,disadvantages of Vivaldi

    2017-3-1 · Another class of dielectric antenna may consist of a tapered rod, obtaining directivity by travelling wave action. In this case the Q is low and energy will be coupled by a structure which is larger than for the high Q variety, resembling a conventional metallic antenna located at one end.

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  • Dielectric antennae | Physics Forums

    Optical nanoantennas, especially of the dipole type, have been theoretically and experimentally demonstrated by many research groups. Likewise, the plasmonic waveguides and optical circuits have experienced significant advances. In radio frequencies and microwaves a category of antenna known as dielectric resonator antenna (DRA), whose radiant element is a dielectric resonator …

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  • A Wideband CPW-fed Planar Dielectric Tapered Antenna with ...

    2016-8-9 · tapered rod antenna. Tapered rod is the main part of the antenna which is etched out of the top silicon layer with length of L3 and initial width of W1 tapering linearly to W2 at the tip, as shown in Fig. 2. The parasitic dielectric elements are implemented in top silicon layer to increase the antenna radiation gain by enlarging

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  • Dielectric Travelling Wave Antennas Incorporating ...

    2020-4-27 · Dielectric rod antenna dipping into the medium II. Conical Horn Excited Dielectric Inserts In order to exploit the maximal standardized tank nozzle diameters of dap = 50 mm for inserting an improved endfire radiating antenna, that exceeds the directivity values of state-of-the-art tapered dielectric rod antennas, tapered cavities inside a solid rod

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  • (PDF) Evolved-Profile Dielectric Rod Antennas | Andrew ...

    A dielectric rod antenna which produces a radiation pattern with low sidelobes is useful in a FPA to reduce the interaction between array elements and the effect of stray radiation entering the sidelobes.A dielectric rod with maximum gain for a given rod length is attractive for applications such as for millimeter-wave communications where an ...

    Get Price
  • Fast Methods for Millimeter-wave Dielectric Resonator and ...

    2017-3-21 · calculate the radiation from tapered dielectric rod antenna. This efficient approxi-mate model consumes much less computing resources and time, and demonstrates good agreements with full-wave numerical results. It supplies a quantitative way

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  • 16 Design of a Wideband Widebeam Vivaldi Phased Array ...

    2015-2-27 · A tapered slot antenna uses a slot line etched on a dielectric material, which is widening through its length to produce an endfire radiation. An electromagnetic [EM] wave propagates through the surface of the antenna substrate with a velocity less than the speed of light which makes TSAs gain slow wave antenna properties.

    Get Price
  • Vivaldi Antenna - Radartutorial

    2021-6-2 · Tapered Slot Antenna (Vivaldi- Antenna) Tapered Slot Antenna (TSA) (also-called: Vivaldi antenna) is an extremely broadband slot antenna (over several octaves), wherein the slot is widened conically.This antenna was presented at the 9th European Microwave Conference (EuMic) in 1979 by P. J. Gibson under the name “The Vivaldi Aerial”. ...

    Get Price
  • Chapter 8 Slot Antennas - eetrend.com

    2017-7-1 · Tapered slot antennas (TSAs) were first introduced in the late 1950s. It was then that Eberle et al9 produced a waveguide-fed, flared slot antenna for use in aircraft skins where conventional antennas could not be easily integrated. Gibson10 then developed the strip-line-fed, exponentially tapered slot antenna, which he called the Vivaldi ...

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  • DTRA - Dielectric Tapered Rod Antenna | AcronymFinder

    DTRA stands for Dielectric Tapered Rod Antenna. Suggest new definition. This definition appears very rarely and is found in the following Acronym Finder categories: Science, medicine, engineering, etc. See other definitions of DTRA. Other Resources: …

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  • DIELECTRIC-CORE ANTENNAS SURROUNDED BY

    In this example, a dielectric-core antenna 601 is made of diameter d 0 and uses a larger strip width of w=1 mm to accommodate the landing of a surface mount (SMT) inductor of 33 nH. To increase the effective inductive surface impedance, one may load the strips 602 with period b, in this case, half of each arm length.

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  • OSA | Dielectric resonator antenna for applications in ...

    Optical nanoantennas, especially of the dipole type, have been theoretically and experimentally demonstrated by many research groups. Likewise, the plasmonic waveguides and optical circuits have experienced significant advances. In radio frequencies and microwaves a category of antenna known as dielectric resonator antenna (DRA), whose radiant element is a dielectric resonator …

    Get Price
  • Dielectric Travelling Wave Antennas Incorporating ...

    2020-4-27 · Dielectric rod antenna dipping into the medium II. Conical Horn Excited Dielectric Inserts In order to exploit the maximal standardized tank nozzle diameters of dap = 50 mm for inserting an improved endfire radiating antenna, that exceeds the directivity values of state-of-the-art tapered dielectric rod antennas, tapered cavities inside a solid rod

    Get Price
  • A Ring-Focus Antenna Design for Simultaneous X and Ka Band ...

    2015-11-5 · be the first fully monopulse, simultaneous X and Ka band 1 metre diameter antenna. Our feed design uses a tapered polystyrene (Rexolite) rod for the Ka band within a circular waveguide for the X band. Ka band TE11 and TE21 signals are fed via circular metallic Ka band multi-mode waveguide into the dielectric rod through a tapered adapter. A mode

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  • A Flexible Dielectric Leaky-Wave Antenna at 160GHz

    2021-7-5 · Dielectric rod antennas are used as end-fire antennas above 100GHz by tapering the end of the waveguide [5]. A different type of dielectric antenna is the leaky-wave antenna, which additionally provides a frequency scanning characteristic [6]. Leaky-wave antennas are known as rigid blocks made of ... tapered metalization mode transformer ...

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  • A feed antenna for dielectric spheres lens in the Ka band

    2015-9-9 · dielectric rod antenna, which refers to the length of the rod is little shorter than a wavelength, can satisfy the requirement of small size. The long dielectric rod antenna have been widely studied (Pramendra et al., 2008; Qiu and Wang, 2009), while the short dielectric rod antenna is mostly discussed before the 1980s (Watson and Horton,

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  • INTEGRATED TAPERED SLOT ANTENNA ARRAYS AND DEVICES

    2010-7-16 · Endfire antenna elements of the tapered slot antenna (TSA) type can be employed both as single elements and in arrays. TSAs utilize a tapered slot in the metalization on a thin dielectric substrate, to radiate in the 'end-fire' direction (along the tapered slot, see Figure 1). The special case of air dielectric also has been investigated.

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  • Advantages of Vivaldi Antenna,disadvantages of Vivaldi

    of the turntable. The performance of the tapered chamber with the RF lens is presented. The usable far field QZ was increased by using a dielectric RF lens that allows for electrically larger antennas to be measured in the tapered range of the chamber. Index Terms−Antenna range d, esign metamaterials, quiet zone, RF lens, and tapered chamber.

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  • A Cone Shaped Tapered Chamber for Antenna Measurements ...

    2015-5-21 · broadband planar leaky-wave antenna with a fixed mainbeam that uses the tapered microstrip structure. The measured bandwidth of the antenna for a VSWR 2 exceeds 2.3:1. Index Terms— Broadband planar balun, feeding structure, leaky-wave, microstrip, tapered antenna. I. INTRODUCTION ACCORDING to the characteristics of space-wave leakage

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  • Broadband tapered microstrip leaky-wave antenna - Antennas ...

    Optical nanoantennas, especially of the dipole type, have been theoretically and experimentally demonstrated by many research groups. Likewise, the plasmonic waveguides and optical circuits have experienced significant advances. In radio frequencies and microwaves a category of antenna known as dielectric resonator antenna (DRA), whose radiant element is a dielectric resonator …

    Get Price
  • OSA | Dielectric resonator antenna for applications in ...

    TRA - Tapered Rod Antenna. Looking for abbreviations of TRA? It is Tapered Rod Antenna. Tapered Rod Antenna listed as TRA. Tapered Rod Antenna - How is Tapered Rod Antenna abbreviated? ... Tapered Slot Antenna with Air Dielectric; tapered suture needle; tapered suture needle; tapered suture needle; tapered tenon; tapered thread; Tapered Thrust ...

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