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Frequency Scanned and Leaky-Wave Linear Slot Arrays

  • Alan J. Sangster
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Part of the Signals and Communication Technology book series (SCT)

Abstract

In this chapter the scrutiny of the travelling wave array antenna performed in Chap.  7 is used as a ‘launch-pad’ to address and explore frequency scanning techniques for compact arrays. In particular, methods used to enhance scan rates for slotted waveguide array antennas without sacrificing antenna gain and sidelobe levels are explored. The focus on scanned slotted waveguide arrays naturally lead to a need to address the rather different electromagnetic characteristics of the related leaky-wave antenna. This is an antenna type which is becoming increasingly attractive to developments in compact and mobile communications systems, and in remote sensing roles, particularly at millimetre wave and higher frequencies. Physically the travelling wave array described in the previous chapter is not too dissimilar to this important, but electromagnetically quite distinct leaky array structure. We shall explore here the essence of the divergence, in electromagnetic properties, between these superficially rather similar antennas.

Keywords

Slot Array Leaky-wave Antenna Waveguide Feed Dielectric Loading Slot Radiator 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

References

  1. 1.
    R. Johnson, Antenna Engineering Handbook (McGraw-Hill, New York, 1993)Google Scholar
  2. 2.
    R.C. Hansen, Microwave Scanning Antennas, Vol III, (Academic Press Inc., New York, 1966), N.A. Begovich, Chap. 2Google Scholar
  3. 3.
    J.C. Slater, Microwave Electronics (Van Nostrand, 1950)Google Scholar
  4. 4.
    R.M. Bevensee, Slow-wave Structures (Wiley, New York, 1964)Google Scholar
  5. 5.
    W. Walkinshaw, Theoretical design of linear accelerators for electrons. Proc. Phys. Soc. 61, 246–254 (1948)CrossRefGoogle Scholar
  6. 6.
    R.E. Collin, Field Theory of Guided Waves (McGraw-Hill, New York, 1960)zbMATHGoogle Scholar
  7. 7.
    J.A. Stratton, Electromagnetic Theory (Wiley, New Jersey, 2007)zbMATHGoogle Scholar
  8. 8.
    S.B. Cohn, Analysis of a wideband waveguide filter. Proc. IRE 37, 651–656 (1949)CrossRefGoogle Scholar
  9. 9.
    P.J.B. Clarricoats, P.K. Saha, Propagation and radiation behaviour of corrugated feeds. Proc. IEE 118(9), 1167–1186 (1971)Google Scholar
  10. 10.
    K. Milne, The combination of pulse compression with frequency scanning for three dimensional radars. Radio Electron. Eng. 26(2), 89–97 (1964)CrossRefGoogle Scholar
  11. 11.
    A.W. Rudge, K. Milne, A.D. Olver, P. Knight, The Handbook of Antenna Design, vol. 2 (Peter Peregrinus Ltd., London, 1983)CrossRefGoogle Scholar
  12. 12.
  13. 13.
    HFSS, High Frequency Structure Simulator, Ansoft CorpGoogle Scholar
  14. 14.
  15. 15.
    R.F. Harrington, Moment MethodsGoogle Scholar
  16. 16.
  17. 17.
    A.J. Sangster, B. Maher, Higher order evanescent modes on slow wave structures. Electron. Lett. 8, 608–609 (1972)CrossRefGoogle Scholar
  18. 18.
    R.W. Lyon, An Investigation of Apertures in Dual Mode Rectangular Waveguide for Variable Polarisation Arrays, Ph.D. Thesis, Heriot-Watt University, 1979Google Scholar
  19. 19.
    R.A. Hurd, The propagation of an electromagnetic wave along an infinite corrugated surface. Can. J. Phys. 32(12), 727–734 (1954)MathSciNetCrossRefGoogle Scholar
  20. 20.
    R.W. Lyon, A.J. Sangster, Efficient moment method analysis of radiating slots in thick walled rectangular waveguide. IEE Proc. 128(4), 197–205 (1981)Google Scholar
  21. 21.
    M.G. Salvadori, M.L. Baron, Numerical Methods in Engineering (Prentice-Hall International, London, 1961)Google Scholar
  22. 22.
    T.J. Akai, Numerical Methods (Wiley, Canada, 1993)Google Scholar
  23. 23.
    R.S. Esfandiari, Numerical Methods for Engineers and Scientists using MATLAB (CRC Press, Boca Raton, USA, 2013)CrossRefGoogle Scholar
  24. 24.
    A.J. Sangster, D.C. Hawkins, in IEEE Conference Publication. A slotted waveguide circularly polarised linear array for a 3D antenna system, No. 105, pp. 94–97, Oct 1973Google Scholar
  25. 25.
    L.O. Goldstone, A.A. Oliner, Leaky-wave antennas – part 1: rectangular waveguides. IRE Trans. Antennas Propag. AP-7, 307–319 (1959)CrossRefGoogle Scholar
  26. 26.
    N. Marcuvitz, Waveguide Handbook (M.I.T. Radiation Laboratory Series, McGraw-Hill Book Co., Inc., New York, 1951)Google Scholar
  27. 27.
    R.F. Hyneman, Closely spaced transverse slots in rectangular waveguide. IRE Trans. Antennas Propag. AP-7, 335–342 (1959)CrossRefGoogle Scholar

Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • Alan J. Sangster
    • 1
  1. 1.EdinburghUK

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