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    • 2. 发明申请
    • ANTENNA EVALUATION TEST SYSTEM
    • WO2022079278A2
    • 2022-04-21
    • PCT/EP2021/078677
    • 2021-10-15
    • QUADSAT APS
    • OMI, SakiESPELAND, Joakim
    • H04B7/185H04B7/18502
    • Methods, apparatus, and systems are provided for an antenna evaluation system including a control station and a plurality of unmanned aerial vehicles (UAVs) for evaluating the performance of an antenna under test (AUT). The UAVs including radio frequency (RF) sensor modules for receiving and/or transmitting RF signals from/to the AUT. The control station is configured to dynamically control the flight paths of each of the UAVs based on received RF measurements collected by the UAVs during antenna performance evaluation (APE) tests. The APE tests include performance evaluation tests including, without limitation, for example tracking performance, antenna pointing/de-pointing performance and/or any other APE in relation to the AUT. The AUT is a communication on the move (COTM) or satellite communication on the move (SOTM) antenna. For antennas used in satellite communications, the control station may configure the UAVs to mimic a satellite and/or track AUT's beam center when installed on a moving vehicle such as, without limitation, for example a land based vehicle, maritime vehicle, ship, aircraft and any other vehicle onto which the antenna is mounted.
    • 4. 发明专利
    • Gimbal stabilisation system
    • GB202012756D0
    • 2020-09-30
    • GB202012756
    • 2020-08-14
    • QUADSAT APS
    • Methods, apparatus, and systems are provided for controlling a payload of a gimbal stabilisation system for an aircraft during testing an antenna under test (AUT). The gimbal stabilisation system including a payload control assembly coupled via a yaw motor to a gimbal assembly. The gimbal assembling including the payload comprising a first section with a transceiver for use in testing the AUT and a second section rotatably coupled to the gimbal assembly. The payload control assembly including a controller configured to operate the yaw motor and gimbal assembly by: receiving an in-flight position of the aircraft during testing of the AUT; receiving a position of the AUT in relation to the aircraft; and controlling the gimbal assembly by: calculating a pointing direction and alignment of the first section of the payload relative to the AUT based on the received position of the aircraft and the received position of the AUT; and maintaining pointing and alignment of the first section of the payload towards the AUT based on the calculated pointing direction and alignment of the first section of the payload.