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A Novel Implementation Technique of Conical Scan Radar Using A Programmable Phased Array

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Abstract

In radar, planar phased array antenna plays vital role in electronic scanning in the azimuth and elevation direction to the horizon. In most operations using planar phased array both the coordinates of azimuth and elevation, are steered electronically. In this paper a conceptual schematic of a phased array antenna with programmable time delay units has been presented. It is shown that by suitably exploiting the time delay matrix one can have electronic beam rotation around the target axis as required in conical scan. Thus both the elevation and azimuth motors in conical scan system are replaced by electronic scanning. Heuristically, we have selected eight consecutive points for beam rotation in a polygon shape and can also be extended almost circular shape by increasing number of array elements and phase shifter (delays) in the delay matrix. The array requires dual control of phase gradient and individual phase values. The whole array is controlled by micro-controller. This presents exciting possibilities in radar operation.

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Acknowledgement

The authors express their gratitude to Prof. T. S. Lamba, Dean (Academic & Research), Jaypee University of Information Technology for his suggestions and guidance.

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Authors and Affiliations

  1. Department of Electronics and Communication Engineering, University Institute of Technology, Burdwan University, Burdwan, 713 104, India

    Q. Md. Alfred

  2. Department of Electronics and Communication Engineering, Jaypee University of Information Technology, Solan, 173 215, India

    T. Chakravarty & G. Singh

  3. Department of Electronics and Telecommunication Engineering, Jadavpur University, Kolkata, 700 032, India

    S. K. Sanyal

Authors
  1. Q. Md. Alfred
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  2. T. Chakravarty
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  3. G. Singh
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  4. S. K. Sanyal
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Corresponding author

Correspondence to G. Singh.

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Alfred, Q.M., Chakravarty, T., Singh, G. et al. A Novel Implementation Technique of Conical Scan Radar Using A Programmable Phased Array. Int J Infrared Milli Waves 28, 881–887 (2007). https://doi.org/10.1007/s10762-007-9252-6

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  • DOI: https://doi.org/10.1007/s10762-007-9252-6

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