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Proactive Conformal Waveguide Slot Array Antenna to Synthesize Cosecant Squared Pattern Based on 3-D Printing Manufacturing Process.

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Title: Proactive Conformal Waveguide Slot Array Antenna to Synthesize Cosecant Squared Pattern Based on 3-D Printing Manufacturing Process.
Authors: Wu, Ya Fei1 wuyafei@uestc.edu.cn, Zhang, Hong Rui1, Cheng, Yu Jian1 chengyujian@uestc.edu.cn, Fan, Yong1
Source: IEEE Transactions on Antennas & Propagation. Aug2022, Vol. 70 Issue 8, p6627-6634. 8p.
Subjects: Slot antennas, Substrate integrated waveguides, Three-dimensional printing, Selective laser melting, Manufacturing processes, Antenna design, Bessel beams, Curves
Abstract: It is difficult for a standing-wave waveguide slot array antenna to generate a complex beam shape in H-plane, such as the cosecant squared pattern. The reason is that a conventional standing-wave waveguide slot array antenna cannot flexibly and independently adjust the amplitude and phase of radiating elements. In this article, a proactive conformal waveguide slot array antenna is designed with the cosecant squared pattern in its H-plane. It is able to control the element phase by proactively curving the array shape. That means the antenna shape is employed as a new parameter to break the limitation in the phase control. Based on this, the proactive conformal waveguide slot array antenna can modulate the element amplitude and phase independently to form the desired complex far-field pattern. The commercial selective laser melting (SLM) technology is applied to print the curved antenna after carefully considering the printing direction and slot shape. A 35 GHz prototype antenna is fabricated and measured. Good performance can be observed in the measured results. [ABSTRACT FROM AUTHOR]
Copyright of IEEE Transactions on Antennas & Propagation is the property of IEEE and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Proactive Conformal Waveguide Slot Array Antenna to Synthesize Cosecant Squared Pattern Based on 3-D Printing Manufacturing Process.
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  Data: <searchLink fieldCode="AR" term="%22Wu%2C+Ya+Fei%22">Wu, Ya Fei</searchLink><relatesTo>1</relatesTo><i> wuyafei@uestc.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Zhang%2C+Hong+Rui%22">Zhang, Hong Rui</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Cheng%2C+Yu+Jian%22">Cheng, Yu Jian</searchLink><relatesTo>1</relatesTo><i> chengyujian@uestc.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Fan%2C+Yong%22">Fan, Yong</searchLink><relatesTo>1</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22IEEE+Transactions+on+Antennas+%26+Propagation%22">IEEE Transactions on Antennas & Propagation</searchLink>. Aug2022, Vol. 70 Issue 8, p6627-6634. 8p.
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  Data: <searchLink fieldCode="DE" term="%22Slot+antennas%22">Slot antennas</searchLink><br /><searchLink fieldCode="DE" term="%22Substrate+integrated+waveguides%22">Substrate integrated waveguides</searchLink><br /><searchLink fieldCode="DE" term="%22Three-dimensional+printing%22">Three-dimensional printing</searchLink><br /><searchLink fieldCode="DE" term="%22Selective+laser+melting%22">Selective laser melting</searchLink><br /><searchLink fieldCode="DE" term="%22Manufacturing+processes%22">Manufacturing processes</searchLink><br /><searchLink fieldCode="DE" term="%22Antenna+design%22">Antenna design</searchLink><br /><searchLink fieldCode="DE" term="%22Bessel+beams%22">Bessel beams</searchLink><br /><searchLink fieldCode="DE" term="%22Curves%22">Curves</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: It is difficult for a standing-wave waveguide slot array antenna to generate a complex beam shape in H-plane, such as the cosecant squared pattern. The reason is that a conventional standing-wave waveguide slot array antenna cannot flexibly and independently adjust the amplitude and phase of radiating elements. In this article, a proactive conformal waveguide slot array antenna is designed with the cosecant squared pattern in its H-plane. It is able to control the element phase by proactively curving the array shape. That means the antenna shape is employed as a new parameter to break the limitation in the phase control. Based on this, the proactive conformal waveguide slot array antenna can modulate the element amplitude and phase independently to form the desired complex far-field pattern. The commercial selective laser melting (SLM) technology is applied to print the curved antenna after carefully considering the printing direction and slot shape. A 35 GHz prototype antenna is fabricated and measured. Good performance can be observed in the measured results. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of IEEE Transactions on Antennas & Propagation is the property of IEEE and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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    Identifiers:
      – Type: doi
        Value: 10.1109/TAP.2022.3164158
    Languages:
      – Code: eng
        Text: English
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      Pagination:
        PageCount: 8
        StartPage: 6627
    Subjects:
      – SubjectFull: Slot antennas
        Type: general
      – SubjectFull: Substrate integrated waveguides
        Type: general
      – SubjectFull: Three-dimensional printing
        Type: general
      – SubjectFull: Selective laser melting
        Type: general
      – SubjectFull: Manufacturing processes
        Type: general
      – SubjectFull: Antenna design
        Type: general
      – SubjectFull: Bessel beams
        Type: general
      – SubjectFull: Curves
        Type: general
    Titles:
      – TitleFull: Proactive Conformal Waveguide Slot Array Antenna to Synthesize Cosecant Squared Pattern Based on 3-D Printing Manufacturing Process.
        Type: main
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            NameFull: Wu, Ya Fei
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            NameFull: Zhang, Hong Rui
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            NameFull: Cheng, Yu Jian
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            NameFull: Fan, Yong
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            – D: 01
              M: 08
              Text: Aug2022
              Type: published
              Y: 2022
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