ska phase 1 system requirements specification - The Square ...

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WP2‐005.030.000‐SRS‐002Revision : B8.1 Extension interfacesIdent Requirement Applicability Parent VerificationSYS_REQ_10110Dish/PAF interfaces. SKA1 Dishesshall be designed, built andverified such that they canaccommodate Phased ArrayFeeds.TBD8.2 Extension performanceIdent Requirement Applicability Parent VerificationSYS_REQ_10120Frequency Coverage. SKA1Dishes shall be designed, builtand verified such that they canmeet AD1 optical requirementsup to 10GHz.TBDIdent Requirement Applicability Parent VerificationSYS_REQ_10130Polarization Purity. SKA1 feeds,receivers and digital processingsubsystems shall be designed toprovide the AD1 polarizationpurity requirement of 40dB.TBDIdent Requirement Applicability Parent VerificationSYS_REQ_10140Imaging dynamic range. SKA1elements shall be designed toprovide an imaging dynamicrange of 74 dB up to 10GHzTBDIdent Requirement Applicability Parent VerificationSYS_REQ_10150Spectral dynamic range. SKA1elements shall be designed toprovide a spectral dynamic rangeof 67 dB.TBD2011‐02‐14 Page 56 of 58
9 Quality Assurance ProvisionsWP2‐005.030.000‐SRS‐002Revision : BThis section will describe the formal tests/verifications of System requirements specified in the bodyof this specification.Management and planning information pertaining to product verification and validation should bedescribed in the system Test and Evaluation Master Plan.9.1 System Qualification testingTests shall mainly be performed to verify that the SKA1 complies to the performance requirementsspecified in this specification.An incremental qualification approach shall be adopted starting at Material level and culminating atSKA1 system level in a Test & Qualification (T&Q) program. For existing products (COTS) proof ofqualification, including the specification, method of testing and results, will be utilised. No requalificationof these products will be performed. However, wherever interfaces have beenmodified/added, regression testing will be performed to confirm the integrity of the interfaceagainst it’s original interface control specification.The tests to be performed on the various subsystems and elements of the SKA1 will be describedhere. It will include aspects such Factory Acceptance Tests and Site Acceptance Tests (stand aloneand integrated).9.2 Test MethodsThe requirements specified in this document shall be verified by one or more of the following testmethods:• Inspection (I)Verification shall be by visual examination, comparison with engineering data and simplemeasurement without the use of precision measuring equipment.• Test (T)Verification shall be by analysis or review of test data recorded using special measurementequipment and procedures.• Demonstration (D)Verification shall be by application of go/no go criteria without the use of elaboratemeasurement equipment.• Analysis (A)Verification shall be by analysis or review of calculated or simulated data.2011‐02‐14 Page 57 of 58
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