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Travelling-wave Ka-band frequency scanning Antennas for millimeter-wave imaging applications

Ranjbar Naeini, M ; Sharif University of Technology | 2017

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  1. Type of Document: Article
  2. DOI: 10.1109/ISTEL.2016.7881890
  3. Publisher: Institute of Electrical and Electronics Engineers Inc , 2017
  4. Abstract:
  5. In this paper, a novel travelling-wave printed Frequency Scanning Antenna (FSA), which can be used for imaging purposes, is proposed. All sample designs scan the space symmetrically about the broadside direction. For different scanning ranges, two low profile antennas are designed on a 6.6 mils thick Rogers 4350 board substrate layer. Impedance bandwidth of the first one covers 6.5GHz, from 29.5GHz to 36GHz, and this antenna scans 56° in angular space. The second antenna has 5.6GHz bandwidth from 30.6GHz to 36.2GHz, and scans 98° in angular space by means of switching the input port. The average gain and the Side-lobe level (SLL) of the first and the second antennas are 11.46dBi, 12.8dB, and 10.5dBi, 12.5dB, respectively. © 2016 IEEE
  6. Keywords:
  7. Beam scanning ; Frequency scanning Antenna ; Imaging ; MM-wave ; Travelling-wave Antenna ; Antenna lobes ; Bandwidth ; Electric impedance ; Imaging techniques ; Microstrip antennas ; Microwave antennas ; Millimeter waves ; Traveling wave antennas ; Wave transmission ; Beam scanning ; Frequency scanning ; Impedance bandwidths ; Low-profile antennas ; Millimeter-wave imaging ; MM waves ; Side lobe level (SLL) ; Substrate layers ; Scanning antennas
  8. Source: 2016 8th International Symposium on Telecommunications, IST 2016, 27 September 2016 through 29 September 2016 ; 2017 , Pages 591-595 ; 9781509034345 (ISBN)
  9. URL: https://ieeexplore.ieee.org/document/7881890