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

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3.3.6 Spectral Dynamic RangeWP2‐005.030.000‐SRS‐002Revision : BIdent Requirement Applicability Parent VerificationSYS_REQ_1230Spectral dynamic range. SKA1shall have a spectral dynamicrange of:≥61 dB in the band 70MHz to 240MHz≥43 dB in the band 200 MHz to1.4 GHzMandatory [1]Paragraph4.4.3 andTables 8‐1and 8‐2Mandatory [1]Paragraph3.4.3 andTable 8‐2TestTest3.4 SKA 1 Sensitivity and Survey requirements3.4.1 SensitivityIdent Requirement Applicability Parent VerificationSYS_REQ_1310 Sensitivity (A eff /T sys ). The SKA 1shall have a sensitivity of:10 3 m 2 K ‐1 in the frequency range70 MHz ‐ 240 MHz10 3 m 2 K ‐1 in the frequency range400 MHz ‐ 3 GHz10 5 m 2 K ‐1 in the frequency range800 MHz ‐ 3 GHzMandatory [1][1] Table 8‐2[1] Table 8‐2[1] Table 8‐23.4.2 Survey speedIdent Requirement Applicability Parent VerificationSYS_REQ_1410Survey speed. The SKA 1 surveyspeed requirement is:~10 7 m 4 K ‐2 deg 2 for the frequency Mandatory [1] Table 3‐2range 200MHz to 1.4 GHz>10 7 m 4 K ‐2 deg 2 Mandatory [1]Paragraph3.4.4 & Table8‐12011‐02‐14 Page 16 of 58
WP2‐005.030.000‐SRS‐002Revision : B3.4.3 Survey ‘On‐Sky’ timeIdent Requirement Applicability Parent VerificationSYS_REQ_1420The SKA Phase 1 shall be designedso that a major survey can becompleted in 2 years of “on‐sky”observation time.[1]Paragraph1.4.1Analysis3.4.4 Deep Field Integration TimeIdent Requirement Applicability Parent VerificationSYS_REQ_1430The SKA Phase 1 shall be designedso that a deep field can becompleted in 1000 hr ofintegration time.Mandatory [1]Paragraph1.4.2Analysis3.5 Baseline requirementsIdent Requirement Applicability Parent VerificationSYS_REQ_1510Baseline. The SKA 1 minimumbaseline requirement is:200 km for the range 70 to 240MHzMandatory [1] Table 2.2Para 2.4.3To be added:‐Instantaneous imaging capability‐Required UV coverage in synthesis mode. How much time you require to fill in the full UV plane‐Sensitivity requirements as a function of elevation. Say 50% sensitivity for elevations down to xdegrees‐Subarray requirements‐Latency requirements‐Minimal frequency resolution required‐Linearity requirements‐Passband phase stability‐Required clock/timing accuracy2011‐02‐14 Page 17 of 58
Page 1 and 2: SKA PHASE 1 SYSTEM REQUIREMENTS SPE
Page 3 and 4: WP2‐005.030.000‐SRS‐002Revisi
Page 15: 3.3.5 Spectral ResolutionWP2‐005.
Page 25 and 26: 3.10.3 Monitoring requirementsWP2
Page 57 and 58: 9 Quality Assurance ProvisionsWP2

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