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    Steered Conformal Array for the Rotating Airframe Missile

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    Author
    Cook, Kevin
    Bowland, Kathy
    Brunasso, Theresa
    Affiliation
    Advanced Concepts Laboratory Georgia Tech Research Institute
    D&S Microwave
    Issue Date
    2017-10
    
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    Show full item record
    Rights
    Copyright © held by the author; distribution rights International Foundation for Telemetering
    Collection Information
    Proceedings from the International Telemetering Conference are made available by the International Foundation for Telemetering and the University of Arizona Libraries. Visit http://www.telemetry.org/index.php/contact-us if you have questions about items in this collection.
    Publisher
    International Foundation for Telemetering
    Journal
    International Telemetering Conference Proceedings
    Abstract
    Recent reallocation of L-Band spectrum that was heavily used to support Aeronautical Mobile Telemetry has led to a significant spectrum access shortfall. The DoD was authorized to use portions of C-Band to address this shortfall. One system directly affected by this is the Rotating Airframe Missile (RAM). An antenna system for the RAM is being developed that will switch between sections of a conformal antenna array, activating small subarrays at any given moment. This approach minimizes the variation in gain for any particular aspect angle as the RAM rotates, reducing the required transmit power. The antenna aperture is designed using GTRI’s fragmented aperture technology to provide a very efficient radiator in the space provided. Small subarrays of this conformal array are passively combined directly behind the aperture. Inside the RAM body there are two actively controlled switches that alternatingly switch which subarrays are fed, always ensuring that the two adjacent subarrays pointing in the desired beam direction are active. These switches are controlled by an on-board algorithm using data captured from the RAM’s Inertial Measurement Unit (IMU) and rate sensors to determine the attitude of the missile at all times and dictate which subarrays should be active.
    Sponsors
    International Foundation for Telemetering
    ISSN
    0884-5123
    0074-9079
    Additional Links
    http://www.telemetry.org/
    Collections
    International Telemetering Conference Proceedings, Volume 53 (2017)

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