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IOCP High Level Plan, 8 September 2009 1 In-Orbit Commissioning Phase: High Level Planning.

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Presentation on theme: "IOCP High Level Plan, 8 September 2009 1 In-Orbit Commissioning Phase: High Level Planning."— Presentation transcript:

1 IOCP High Level Plan, 8 September 2009 1 In-Orbit Commissioning Phase: High Level Planning

2 IOCP High Level Plan, 8 September 2009 2 Changes from last issue - Plan takes into account that 2 Nov 2009 is Monday - Christmas holidays (from 24-Dec-09 till 2-Jan-10) have been included - Weeks 24 and 25 have been removed accordingly - Order of external calibration manoeuvres in Week 2 as proposed by CNES - LO high rate (2 min) calibration only in Week 4 (lower rate later) - Additional Dual vs Full-pol mode sky view in Week 7 - FTR Acquisition Criteria have been added - Timelines for S-band and SADM effects have been added - Slide number has been added - Navigation buttons added to go from overall plan to weekly plan and back

3 IOCP High Level Plan, 8 September 2009 3 Acronyms IOCPIn-Orbit Commissioning Phase LEOP Launch and Early Orbit Phase SODAPSwitch-On and Data Acquisition Phase

4 IOCP High Level Plan, 8 September 2009 4 IOCP Main Phases The In-Orbit Commissioning Phase comprises 4 main phases: - Launch and Early Orbit Phase (LEOP) - Switch-On and Data Acquisition Phase (SODAP) - MIRAS Payload Commissioning - Pseudo-Operational Phase alternating dual and full-pol modes

5 IOCP High Level Plan, 8 September 2009 5 IOCP Key Points Four Key Points are proposed: - KP0: Decision point to start the MIRAS Payload Commissioning - KP1: Decision point to start the Pseudo-Operational Phase - KP2: Decision point to define final calibration strategy Evaluation of L1 & L2 data product quality, and release to SVRT - KP3: Decision point to freeze calibration and operational mode

6 IOCP High Level Plan, 8 September 2009 6 IOCP Main Phases  6 months (27 weeks) 1 week LEOP SODAP PAYLOAD Dual-Full Key Point CW48CW49CW50CW51 CW52CW01CW02 CW03CW04CW05CW06 CW07CW08CW09CW10 CW11CW12CW13CW14 CW15CW16CW17CW18 KP1 KP3 PLM Switch ON LAUNCH CW53 KP0 CW 45CW 46CW 47 XMAS (24-Dec till 2-Jan) KP2 0 1 2 3

7 IOCP High Level Plan, 8 September 2009 7 IOCP Main Phases  6 months (27 weeks) 1 week LEOP SODAP PAYLOAD Dual-Full Key Point 1234 567 891011 12131415 16171819 20212223 KP0 KP2 KP1 KP3 PLM Switch ON XMAS (24-Dec till 2-Jan) LAUNCH 5X 0 1 2 3

8 IOCP High Level Plan, 8 September 2009 8 IOCP Time Line The proposed IOCP time line features: - Inclusion of all activities described in the Commissioning Plan - Early generation of the first image (start of L1OP) - Cold sky views (preceded by long calibration) every Tuesday - Early start of pseudo-operational phase - Quite regular weekly pattern - Minimisation of instrument mode changes - Evaluation of L1 & L2 data product quality, and release to SVRT by KP2 - Key Points on Wednesdays

9 IOCP High Level Plan, 8 September 2009 9 IOCP Detailed Time-line  6 months (27 weeks) 1 week LEOP SODAP Default Mode Dual Pol Full Pol Cold Sky View Long Calibration First Image Thermal Stability Electrical Stability Key Point LAUNCH XMAS 1234 567 891011 12131415 16171819 20212223 5X 0 1 2 3

10 IOCP High Level Plan, 8 September 2009 10 Summary of Cold Sky Views WeekPointingDuration TargetModePurpose 2 Inertial2 minGalactic Pole Plain Dual Platform commissioning Inertial30 minGalactic Pole Plain Dual Platform commissioning Zenith1.1 orbitOne full sky circle Plain Dual Platform commissioning 3 Zenith1.1 orbitOne full sky circleDualS-band RFI InertialStandardGalactic PoleDualFTR Dual + NIR Zenith1.1 orbitOne full sky circleDualS-band RFI 4 InertialStandardGalaxy at boresightDualAccuracy InertialStandardGalactic PoleDualSADM FTR is validFTR is not valid – need for DPGS “manual” orchestration

11 IOCP High Level Plan, 8 September 2009 11 Summary of Cold Sky Views WeekPointingDurationTargetModePurpose 5InertialStandardMoon in AF-FoVDualX + S + STR RFI 6InertialStandardGalactic PoleFullFTR Full + NIR 7InertialStandardGalactic PoleDualDual vs Full 8InertialStandardGalactic PoleDualNIR leakage 9InertialStandardGalactic PoleDualFTR Dual + NIR 10-14-18-22InertialStandardGalactic PoleFullFTR Full + NIR 11-15-19Zenith1.1 orbitOne full sky circleDualNIR 12-16-20Zenith1.1 orbitOne full sky circleDualNIR 13-17-21InertialStandardGalactic PoleDualFTR Dual + NIR 23Zenith1 half orbitMoon traversing AF-FoVDualE2E Verification FTR is validFTR is not valid – need for DPGS “manual” orchestration

12 IOCP High Level Plan, 8 September 2009 12 Summary of Cold Sky Views  6 months (27 weeks) 1 week Inertial < 1orbit FTR Key Point 1234 55X67 891011 12131415 16171819 20212223 Zenith Verifications Zenith 1.1 orbit NIR Inertial < 1orbit Verifications LAUNCH XMAS 0 1 2 3

13 IOCP High Level Plan, 8 September 2009 13 First Calibration Time Line WeekActivityOutputCalibration Progress 3 Long Calibration PMS FwF(0) FwF shape U-offsets LICEF calibration FwF calibration Offset calibration (common LO) External Calibration FTR (dual pol) Antenna Patterns Validation Flat Target Response in Dual NIR calibration Cold Sky LICEF calibration Plain Dual Pol + LO calLO phase LO phase time evolution

14 IOCP High Level Plan, 8 September 2009 14 First Calibration Time Line WeekActivityOutputCalibration Progress 4 - 5Electrical Stability Variation of: PMS FwF(0) FwF shape U-offsets over temperature LICEF calibration FwF calibration Offset calibration (common LO) All above over temperature DUAL POL MODE FIRST CALIBRATION COMPLETED 6External Calibration FTR (full pol) Flat Target Response in Full FULL POL MODE FIRST CALIBRATION COMPLETED

15 IOCP High Level Plan, 8 September 2009 15 First Calibration Time-line L1PP L1PP start L1 L1OP start D Dual pol first calibration completed in Week 5 F Full pol first calibration completed in Week 6 DPGS L1+L2+BUFR  6 months (27 weeks) 1 week 1234 5 67 8 91011 12 131415 16171819 20 212223 LAUNCH XMAS 5X L1PP L1+DPGS DF 0 1 2 3

16 IOCP High Level Plan, 8 September 2009 16 PLM Switch ON LEOP LEOP comprises the launch, orbit injection and platform commissioning. During LEOP the payload is OFF (except for a short partial switch-on just before antenna deployment). LEOP is expected to be less than 2.5 weeks long. LEOP is described in Section 4.1 of the Commissioning Plan. Payload is switched on in Day 14 of LEOP. LAUNCH

17 IOCP High Level Plan, 8 September 2009 17 SODAP Week 1Week 2Week 3 SODAP comprises the RF Link Test, the ESAC MINI Test and the Svalbard MINI Test, each one 1 week long. During SODAP the payload is ON. SODAP comprises the first 3 weeks after LEOP. First two weeks include also some Platform Commissioning activities. SODAP is described in Sections 4.2 through 4.5 of the Commissioning Plan. Key Point 0: decision to start the MIRAS Payload Commissioning / first pointing correction estimation (geolocation estimate) / first L1-L2 collocation / DPGS working up to level L1 (dual) and L2 / 0

18 IOCP High Level Plan, 8 September 2009 18 SODAP Activities Week 1Week 2Week 3 SODAP activities have been defined by the SODAP team. It is proposed to attempt a first long cal, external calibration to get the Flat Target Response (section 4.6.4) and first image acquisition (section 4.6.6), all in dual-pol, at Week 3, and if failed, at Week 4. A correlator test will precede those attempts (section 4.6.2). For the image acquisition dual-pol with LO calibration is needed. During SODAP L1PP shall concentrate on the identified areas (Madagascar, Mid-Pacific Ocean…). 0

19 IOCP High Level Plan, 8 September 2009 19 Week 1 LEOPWeek 1Week 2 Day 14 of LEOP: Payload Switch ON Plain Full Pol MONTUEWEDTHUFRISATSUN

20 IOCP High Level Plan, 8 September 2009 20 Week 2 Week 1Week 2Week 3 Galactic Pole – Inertial 30’ Flip-over Plain Full Pol MONTUEWEDTHUFRISATSUN Zenithal 110’ Inertial 2’ Plain Full Pol 0

21 IOCP High Level Plan, 8 September 2009 21 Week 3 Week 2Week 3Week 4 Galactic Pole – Inertial (FTR in Dual Pol and NIR) Long Calibration Correlator Test Plain Full Pol (+ LO Cal ) MONTUEWEDTHUFRISATSUN Key Point 0 First Image Opportunity S-band check - Zenith 0 0

22 IOCP High Level Plan, 8 September 2009 22 MIRAS Payload Commissioning The MIRAS Payload Commissioning phase comprises the characterisation, calibration, validation and verification of the instrument. This phase comprises the first 5.5 weeks after SODAP, plus 1 week holidays (Week 5X). This phase is described in Sections 4.6 and 4.7 of the Commissioning Plan. 4 5 67 8 9 XMAS 5X 1

23 IOCP High Level Plan, 8 September 2009 23 Week 4 Week 3Week 4Week 5 Week 4 is the start of the MIRAS Payload Commissioning Activities: - Correlator Test, if failed in previous attempt (section 4.6.2) - Thermal stability: instrument in default mode (section 4.6.1) - Long Calibration orbit - External Calibration targeting the Galaxy in inertial pointing, to assess the absolute accuracy of MIRAS. - First image opportunity, if failed in previous attempt (section 4.6.6) - Electrical stability (section 4.6.3) including U-noise injection (section 4.6.24) - In-between activities, the instrument is in Default Mode (see next slide) - External Calibration to assess impact of SADM XMAS 0

24 IOCP High Level Plan, 8 September 2009 24 Default Mode Definition Default Mode definition: - Dual-pol mode - LO calibration including U-noise (6 epochs): Week 4 - every 2 minutes (100 epochs) Week 5 and onwards – TBD minutes (based on Week 4 analysis) - Short cal (29 epochs): every 2.5 hours (7500 epochs) TBC -Long cal (4996 epochs): every 2 days (144000 epochs)

25 IOCP High Level Plan, 8 September 2009 25 Week 4 Week 3Week 4Week 5 Thermal Stability Default Mode Electrical Stability Long Calibration Galaxy – Inertial (absolute accuracy) Correlator Test MONTUEWEDTHUFRISATSUN First Image Opportunity SADM XMAS 0

26 IOCP High Level Plan, 8 September 2009 26 Week 5 Week 4Week 5Week 5X Activities: - Electrical stability (section 4.6.3) including U-noise injection (section 4.6.24) - Long Calibration orbit - External Calibration to check RFI from X and S-band (section 4.6.13), and STR RFI, in parallel targeting the Moon in inertial pointing (section 4.7.4) XMAS

27 IOCP High Level Plan, 8 September 2009 27 Week 5 Week 4Week 5Week 5X Default Mode Electrical Stability Long Calibration Moon – Inertial (X, S, STR RFI) MONTUEWEDTHUFRISATSUN XMAS

28 IOCP High Level Plan, 8 September 2009 28 Week 5X Week 5Week 5XWeek 6 This week is part of the Xmas holidays. Activities: - Instrument in Default Mode XMAS

29 IOCP High Level Plan, 8 September 2009 29 Week 5X Default Mode MONTUEWEDTHUFRISATSUN XMAS Week 5Week 5XWeek 6 XMAS

30 IOCP High Level Plan, 8 September 2009 30 Week 6 Week 5XWeek 6Week 7 Activities: - All-LICEF test (section 4.6.22) - Long Calibration orbit - External Calibration with Galactic Pole, inertial pointing, Full-pol (section 4.6.7) - Early Full-pol mode (section 4.6.8) - Electrical stability check - NIR 3 rd and 4 th Stokes parameters verification XMAS

31 IOCP High Level Plan, 8 September 2009 31 Week 6 Week 5Week 6Week 7 Default Mode Long Calibration Galactic Pole – Inertial (FTR in Full Pol and NIR) Full Pol Mode MONTUEWEDTHUFRISATSUN All-LICEF L E N NIR Stokes

32 IOCP High Level Plan, 8 September 2009 32 Week 7 Week 6Week 7Week 8 Activities: - Early Full-pol mode (section 4.6.8) - Long Calibration orbit - External Calibration with Galactic Pole, inertial pointing, Dual vs Full-pol - Electrical stability check Note: long calibration and external calibration are performed twice to better assess dual vs full-pol performances. 1

33 IOCP High Level Plan, 8 September 2009 33 Week 7 Week 6Week 7Week 8 Full Pol Mode Long Calibration Galactic Pole – Inertial (Dual vs Full Pol) Default Mode MONTUEWEDTHUFRISATSUN E Long Calibration Galactic Pole – Inertial (Dual vs Full Pol) Default Mode 1

34 IOCP High Level Plan, 8 September 2009 34 Week 8 Week 7Week 8Week 9 Activities: - Long Calibration orbit - External Calibration with Galactic Pole, inertial pointing, to check NIR leakage (section 4.6.21) - Electrical stability check - Key Point 1 main issues: a) calibration rate for LO and Short b) start of pseudo-operational phase (alternating Dual and Full-pol) c) preliminary assessment of LICEF PMS Cold Sky calibration d) first geolocation correction matrix e) first accuracy estimate of L1 and L2 (dual and full) 1

35 IOCP High Level Plan, 8 September 2009 35 Week 8 Week 7Week 8Week 9 MONTUEWEDTHUFRISATSUN Default Mode Long Calibration Galactic Pole – Inertial (NIR leakage) Default Mode Key Point 1 E 1 1

36 IOCP High Level Plan, 8 September 2009 36 Week 9 Week 8Week 9Week 10 Activities: - NIR PMS Calibration (section 4.6.23) - Long Calibration orbit - External Calibration with Galactic Pole, inertial pointing, Dual-pol - Dual-pol mode with nominal rate of LO and Short calibration - Electrical stability check 1

37 IOCP High Level Plan, 8 September 2009 37 Week 9 Week 8Week 9Week 10 MONTUEWEDTHUFRISATSUN Default Mode Long Calibration Galactic Pole – Inertial (FTR in Dual Pol and NIR) Dual Pol Mode NIR PMS NE 1

38 IOCP High Level Plan, 8 September 2009 38 Weeks 10, 14, 18, 22 Activities: - Dual-pol mode with nominal rate of LO and Short calibration - Long Calibration orbit - External Calibration with Galactic Pole, inertial pointing, in Full-pol - Full-pol mode with nominal rate of LO and Short calibration

39 IOCP High Level Plan, 8 September 2009 39 Weeks 10, 14, 18, 22 Dual Pol Mode Long Calibration Galactic Pole – Inertial (FTR in Full Pol and NIR) Full Pol Mode MONTUEWEDTHUFRISATSUN Week 10

40 IOCP High Level Plan, 8 September 2009 40 Weeks 11, 15, 19 Activities: - Full-pol mode with nominal rate of LO and Short calibration - Long Calibration orbit - External Calibration, NIR 1.1 orbit, zenith pointing - Dual-pol mode with nominal rate of LO and Short calibration

41 IOCP High Level Plan, 8 September 2009 41 Weeks 11, 15, 19 MONTUEWEDTHUFRISATSUN Long Calibration 1 Full Orbit Zenith Pointing (NIR) Dual Pol Mode Full Pol Mode Week 11

42 IOCP High Level Plan, 8 September 2009 42 Weeks 12, 20 Activities: - Dual-pol mode with nominal rate of LO and Short calibration - Long Calibration orbit - External Calibration, NIR 1.1 orbit, zenith pointing - Full-pol mode with nominal rate of LO and Short calibration

43 IOCP High Level Plan, 8 September 2009 43 Weeks 12, 20 MONTUEWEDTHUFRISATSUN Long Calibration 1 Full Orbit Zenith Pointing (NIR) Full Pol Mode Dual Pol Mode Week 12

44 IOCP High Level Plan, 8 September 2009 44 Weeks 13, 17, 21 Activities: - Full-pol mode with nominal rate of LO and Short calibration - Long Calibration orbit - External Calibration with Galactic Pole, inertial pointing, Dual-pol - Dual-pol mode with nominal rate of LO and Short calibration

45 IOCP High Level Plan, 8 September 2009 45 Weeks 13, 17, 21 MONTUEWEDTHUFRISATSUN Long Calibration Galactic Pole - Inertial (FTR in Dual Pol and NIR) Dual Pol Mode Full Pol Mode Week 13

46 IOCP High Level Plan, 8 September 2009 46 Week 16 Activities: - Key Point 2 (week 16) main issues: a) confirmation of calibration rate for LO and Short (compatible with a 6 day full coverage for SM) b) preliminary assessment of Dual and Full-pol c) in-depth analysis of Dual and Full at levels L1 and L2 leading to the evaluation of L1 & L2 data product quality, and release to SVRT d) decision on LICEF PMS Cold Sky calibration (impacts L1OP) Week 15Week 16Week 17 2

47 IOCP High Level Plan, 8 September 2009 47 Week 16 MONTUEWEDTHUFRISATSUN Long Calibration 1 Full Orbit Zenith Pointing (NIR) Full Pol Mode Dual Pol Mode Key Point 2 Week 15Week 16Week 17 2 2

48 IOCP High Level Plan, 8 September 2009 48 Week 23 Activities: - Full-pol mode with nominal rate of LO and Short calibration - Long Calibration orbit - External Calibration targeting the Moon in zenith pointing, Dual-pol - Electrical stability (section 4.6.3) including U-noise injection (section 4.6.24) - Key Point 3 main issues: a) confirmation of calibration rate for Cold Sky and Long Calibration b) final assessment of Dual and Full-pol c) preparation for the decision to go into the operational phase Week 22Week 23 Operational Week 24 3

49 IOCP High Level Plan, 8 September 2009 49 Week 23 Week 22Week 23 Full Pol Mode Long Calibration Electrical Stability Week 24 Moon – Zenith Pointing MONTUEWEDTHUFRISATSUN Operational Key Point 3 3 3

50 IOCP High Level Plan, 8 September 2009 50 Criteria for FTR Acquisition Necessary Criteria: 1.- Minimum sky brightness temperature (ensures maximum contrast) 2.- Minimum sky rms brightness temperature (ensures maximum uniformity) 3.- Sun behind antenna plane or eclipsed by Earth (minimises Sun contamination) 4.- Antenna beam away from equatorial plane (minimises RFI from other satellites) Criteria which can be relaxed to some extent if not fulfilled: 5.- Moon behind antenna plane (minimises Moon effects) Criteria which are recommended but subject to investigation: 6.- FTR acquisition while over ocean (should reduce backlobe contamination)

51 IOCP High Level Plan, 8 September 2009 51 S-band RFI Test Timeline 1 2 3 4 5 6 7 8 9 10 11 time 1.1 orbit (zenith) = 11 x 2 x 5 minutes 5 min2x5 min OFF ON OFF

52 IOCP High Level Plan, 8 September 2009 52 SADM Effects Test Timeline +5  time Flat Target Acquisition (inertial pointing) = 740 epochs = 8 x 111 s 55 00 00 00 ETO time (External Target Observation): at ETO time, boresight = zenith 111 s 222 s 111 s 222 s SADM angle

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