Performance Data of a New, Large Compensated Compact Range for Antenna and Payload Testing of Future Spacecrafts
Performance Data of a New, Large Compensated Compact Range for Antenna and Payload Testing of Future Spacecrafts
- Author(s): J. Migl ; C. Schmidt ; F. Hartmann
- DOI: 10.1049/cp.2018.0739
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- Author(s): J. Migl ; C. Schmidt ; F. Hartmann Source: 12th European Conference on Antennas and Propagation (EuCAP 2018), 2018 page (5 pp.)
- Conference: 12th European Conference on Antennas and Propagation (EuCAP 2018)
- DOI: 10.1049/cp.2018.0739
- ISBN: 978-1-78561-816-1
- Location: London, UK
- Conference date: 9-13 April 2018
- Format: PDF
Large compensated compact ranges are designed for antenna and payload testing of spacecraft antennas and payload units. The Compensated Compact Range concept (CCR) of Airbus is featuring two major advantages for such measurements. First of all the compensating reflector design of the CCR delivers lowest cross-polarization (< -40 dB) for frequencies 3 GHz and its short effective focal length provides advantageous scanning capability of the test zone. The very low cross-polar contribution of the measurement range is a mandatory aspect for testing antennas utilized for telecommunications satellites due to their stringent cross-polar specifications. The scanning capability is of interest for deployed antennas at the spacecraft and allows measurements without relocation of the complete spacecraft for moving the Antenna under Test (AUT) into the centered test zone. This feature is already highly interesting for antenna testing, but much more for end-to-end testing campaigns where it provides a fully radiated test scenario for upand downlink without touching the spacecraft at all. In order to achieve large test zones Airbus developed already a few years ago a new, larger type of compensated compact range, the CCR 120/100 with a centered test zone size of 8 m and scanned test zone diameters of at least 5 m for off-axis locations [1],[2]. Within this paper the development results and first acceptance test data of a recently installed, extremely large compensated compact-range test facility will be presented. The design criteria were mainly determined by the stringent requirements for antenna and payload testing of current and future communication satellites.
Inspec keywords: reflector antennas; space vehicle antennas; antenna testing; electromagnetic wave polarisation
Subjects: Single antennas
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