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Grating lobe suppression in rotationally tiled arrays

Alshammary, Abdullah and Weiss, Stephan and Almorqi, Sultan (2017) Grating lobe suppression in rotationally tiled arrays. In: 11th European Conference on Antennas and Propagation (EUCAP). IEEE, Piscataway.

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    Abstract

    Uniform placement of array elements limits its maximum frequency due to the formation of grating lobes. While non-uniform element or subarray spacing have significantly lower grating lobes, it reduces aperture efficiency and leads to arrays that are difficult to design and manufacture. We propose a modular asymmetric convex-shaped subarray to construct the array by rotation and translation, filling the aperture without overlaps or gaps. This new approach can achieve lower grating lobes compared to uniform array geometries. It can also lower design, manufacturing and operation costs by offering interoperable subarrays and provide array size flexibility.

    Item type:Book Section
    ID code:59126
    Notes:© 2017 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
    Keywords:subarray, grating lobes, plane tilling, tessellation, sensor arrays, signal wavelength, beamwidth, rotationally tiled arrays, Electrical engineering. Electronics Nuclear engineering, Electrical and Electronic Engineering
    Subjects:Technology > Electrical engineering. Electronics Nuclear engineering
    Department:Faculty of Engineering > Electronic and Electrical Engineering
    Technology and Innovation Centre > Sensors and Asset Management
    Depositing user: Pure Administrator
    Date deposited:14 Dec 2016 15:31
    Last modified:18 Mar 2019 02:43
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    URI:https://strathprints.strath.ac.uk/id/eprint/59126
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