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Sat.Stfr.Frq (Uwa) Detail Design Report (Low)

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Sat.Stfr.Frq (Uwa) Detail Design Report (Low) SAT.STFR.FRQ (UWA) DETAIL DESIGN REPORT (LOW) S.W. Schediwy: [email protected] D.R. Gozzard: [email protected] SAT.STFR.FRQ (UWA) DETAIL DESIGN REPORT (LOW) Revision: [Comments] Released: 2018-08-10 SAT.STFR.FRQ (UWA) DETAIL DESIGN REPORT (LOW) Document Number SKA-TEL-SADT-0000380-SADT.STFR.FRQ-DDD-01 Revision [Comments] Author Sascha Schediwy;David Gozzard Date 2018-08-10 Status Issued Name Designation Affiliation Date Signature Owned by: SADT.SAT.STFR. University of Sascha Schediwy FRQ (UWA) Western 2018-08-10 Lead Designer Australia Approved by: SADT Project University of Jill Hammond 2018-08-10 Manager Manchester Released by: SADT System University of Rob Gabrielczyk 2018-08-10 Engineer Manchester SKA-TEL-SADT-0000380-SADT.STFR.FRQ-DDD-01 Rev: [Comments] SAT.STFR.FRQ (UWA) DETAIL DESIGN REPORT (LOW) DOCUMENT HISTORY Revision Date Of Issue Engineering Change Comments Number 01 2018-08-10 - First release. DOCUMENT SOFTWARE Package Version Filename Wordprocessor Word 2013 SKA-TEL-SADT-0000380-SADT.STFR.FRQ-DDD-01-SAT.STFR.FRQ (UWA) Detail Design Report (LOW).docx Block diagrams PowerPoint 2013 Other SolidEdge ST4 DesignSpark 8.0 Excel 2013 Java SE 8 ORGANISATION DETAILS Name University of Manchester Jodrell Bank Centre for Astrophysics Registered Address Alan Turing Building The University of Manchester Oxford Road Manchester, UK M13 9PL Fax. +44 (0)161 275 4247 Website www.manchester.ac.uk INTELLECTUAL PROPERTY DISCLAIMER The design work for this phase synchronisation system was performed by the UWA as a member of the SaDT consortium contributing to the SKA project and is subject to the SKA IP policy. 2018-08-10 Page 2 of 125 SKA-TEL-SADT-0000380-SADT.STFR.FRQ-DDD-01 Rev: [Comments] SAT.STFR.FRQ (UWA) DETAIL DESIGN REPORT (LOW) TABLE OF CONTENTS 1 EXECUTIVE SUMMARY ................................................................................................................................................. 11 2 INTRODUCTORY SECTIONS .......................................................................................................................................... 13 2.1 PURPOSE ....................................................................................................................................................................... 13 2.2 SCOPE ........................................................................................................................................................................... 13 2.3 INTENDED AUDIENCE ........................................................................................................................................................ 13 2.4 APPLICABLE DOCUMENTS .................................................................................................................................................. 13 2.5 REFERENCE DOCUMENTS .................................................................................................................................................. 14 2.6 RELEVANT PUBLICATIONS .................................................................................................................................................. 16 2.7 GLOSSARY OF TERMS ........................................................................................................................................................ 17 3 SOLUTION DESCRIPTION .............................................................................................................................................. 20 3.1 TECHNICAL BACKGROUND ................................................................................................................................................. 20 SKA Telescope Phase Synchronisation .................................................................................................................... 20 Actively Stabilised Frequency Transfer via Optical Fibre ........................................................................................ 21 Designing to SKA Requirements ............................................................................................................................. 21 3.2 SOLUTION OVERVIEW ....................................................................................................................................................... 22 Solution Development ............................................................................................................................................ 22 Solution Description Summary ............................................................................................................................... 22 Analytical Derivation of Solution ............................................................................................................................ 23 Practical Realisation of Solution ............................................................................................................................. 25 3.3 SOLUTION DESIGN JUSTIFICATION ....................................................................................................................................... 28 Measurement Methods and Equipment ................................................................................................................. 28 Impact of the Measurement Device on the Estimate of Phase Coherence ..................................................................... 28 Impact of Transmission Frequency on Absolute Frequency Stability .............................................................................. 29 Functional Performance Requirements .................................................................................................................. 31 Coherence Requirements ................................................................................................................................................ 31 Phase Drift Requirement ................................................................................................................................................. 34 Jitter Requirement ........................................................................................................................................................... 35 Normal Operating Conditions ................................................................................................................................. 36 Ambient Temperature and Humidity Requirements ....................................................................................................... 36 Within the Remote Processing Facility........................................................................................................................ 36 Within the Central Processing Facility ........................................................................................................................ 37 Operating over the Fibre Link ..................................................................................................................................... 38 Wind Speed Requirement ................................................................................................................................................ 38 Seismic Resilience Requirement ...................................................................................................................................... 39 Telescope Configuration Requirement ............................................................................................................................ 39 Key Additional Requirements ................................................................................................................................. 41 Monitoring Requirement ................................................................................................................................................. 41 2018-08-10 Page 3 of 125 SKA-TEL-SADT-0000380-SADT.STFR.FRQ-DDD-01 Rev: [Comments] SAT.STFR.FRQ (UWA) DETAIL DESIGN REPORT (LOW) Radio Frequency Interference Requirement ................................................................................................................... 43 Space Requirement .......................................................................................................................................................... 44 Availability Requirements ................................................................................................................................................ 47 Power Requirements ....................................................................................................................................................... 48 Other Key System Parameters ................................................................................................................................ 49 Reflection Mitigation ....................................................................................................................................................... 49 Miscellaneous Key System Parameters ........................................................................................................................... 49 3.4 HARDWARE .................................................................................................................................................................... 51 Overview of the Detailed Design ...........................................................................................................................
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