17/01/2007 iasi fm2 : link between end0051 and dpc processing behaviour 1 end0051 behaviour
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17/01/2007
IASI FM2 : Link between END0051 and DPC processing behaviour
1
DPS EC21 Cumulation
020004000600080001000012000140001600018000200002200024000260002800030000320003400036000380004000042000440004600048000500005200054000560005800060000620006400066000
19/12/2006
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Date
END0051
END0051 behaviourEND0051 behaviour
17/01/2007
IASI FM2 : Link between END0051 and DPC processing behaviour
2
IMS
IIS
MAS
I/F Checks
I/F Checks
I/F Checks
Spectra Processing Algorithms checks
DMC errors management :- ELT entries - EC32/EC21 counters
Image
Interferograms
OD
DPS
IMS errors managementEC32 (END0024EC21 (END0023)DPS_EC21_Sum (END0051)DPS_ELT21_StatusELT entries in Report format
Complementary status
Types of errors
DPS corrective action IMS Corrective action
Major Transition to Wait mode Transition to heater/refuse
Medium ATransition to DPC suspend mode
Transition to heater/refuse
Medium BSpectra packets not processed,ELT Report in Auxiliary packets
C.A depends of the type of errors :- DPS I/F errors- Algorithms errors
MinorSpectra packets processed with invalid quality flags
C.A depends of the type of errors :- DPS I/F errors- Algorithms errors
DPS error detectionDPS error detection
Cf. IA-MU-1000-6870-AER v4.1 §1.2.2.2.7 & §1.2.2.7
The goal of this presentation is not describe all the causes of the END0051 incrementation ; it’s to explain the major contributors in the current behaviour of this HKTM point
17/01/2007
IASI FM2 : Link between END0051 and DPC processing behaviour
3
END0051 = Accumulation of END0023 (0 END0051 65 535) END0023 = DPS medium B & minor “error” – elementary counter (0 END0023 255)
Multi-topics counter (Cf. IA-MU-1000-6870-AER v4.1 §1.2.2.7)
END0051 current contain :
The present END0051 behaviour is NOT an abnormal situation of the DPC processing; it represents a synthesis of the flags raised by the scientific algorithms
AssumptionsAssumptions
END0051
ZPDquality flag
Spikequality flag
UnsuccessfulResearch
Index > Threshold
Coldscenes
InvalidReduced spectra
Coldscenes
InvalidReduced spectra
Index > Threshold
Spikes inCalibration
interferogram
Spikes inCalibration
interferogram
Flow-chart of the major contributors to incrementation of
the END0051 counter
17/01/2007
IASI FM2 : Link between END0051 and DPC processing behaviour
4
DPC softwar
e
Initialinputs
Internal variables
PeriodZPD
algorithm
Top paramete
rs
Reduced spectra
(Cold Space)
END00511
(Nb / hour)Atmospheric spectra
Comments
From :
29/11/2006 17:00To :
20/12/2006 18:00
DPC v1.10
No thresholds
Valid 73080 % OK 20% NOK
% flagged
ZPD algorithm : not efficient for “cold” scenesInternal variables : valid
END0051 due to the difficulty to determine the central fringe for “cold” scenes
From :
20/12/2006 18:00To :
22/12/2006 15:00
DPC v2.00
No thresholds
Valid 30 98% OK 2% NOK
% flagged
ZPD algorithm : efficient Internal variables : valid
END0051 due to the residual “cold” scenes not detected by the new algorithm
From :
22/12/2006 15:00To :
24/12/2006 14:00
DPC v2.00
No thresholds
P4 cd0 Inv 11087% OK 13% NOK
% flagged
ZPD algorithm : efficient Internal variables : invalid (spike2)
END0051 due to residual “cold” scenes and invalid reduced spectra
From :
24/12/2006 14:00To :
27/12/2006 14:00
DPC v2.00
No thresholds
P4 cd0 InvP3 cd0 Inv
56075% OK 25% NOK
% flagged
ZPD algorithm : efficient Internal variables : invalid (spike2)
END0051 due to residual “cold” scenes and invalid reduced spectra
From :
27/12/2006 14:00To :
30/12/2006 02:00
DPC v2.00
No thresholds
P4 cd0 InvP3 cd0 Inv
32075% OK 25% NOK
% flagged
ZPD algorithm : efficient Internal variables : modified & invalid (spike2)
END0051 due to residual “cold” scenes and invalid reduced spectra
From :
30/12/2006 02:00To :
03/01/2007 12:00
DPC v2.00
No thresholds
P4 cd0 InvP3 cd0 InvP4 cd1 Inv
72067% OK 33% NOK
% flagged
ZPD algorithm : efficient Internal variables : invalid (spike2)
END0051 due to residual “cold” scenes and invalid reduced spectra
From :
03/01/2007 21:00To :
07/01/2007 00:00
DPC v2.00
No thresholds
P4 cd0 InvP3 cd0 InvP4 cd1 InvP1 cd0 Inv
86050% OK 50% NOK
% flagged
ZPD algorithm : efficient Internal variables : invalid (spike2)
END0051 due to residual “cold” scenes and invalid reduced spectra
From :
15/01/2007 16:20To :
16/01/2007 11:00
DPC v2.00
ThresholdsZPD & Spikes
Valid 900 98% OKFlag efficient
ZPD algorithm : efficient Internal variables : valid
END0051 due to residual “cold” scenes (ZPD threshold) and spikes (Spikes thresholds)
1 : Computed in Norm-Op / processing enable2 : Calibration interferogram corrupted by a spike and not rejected because no threshold
History of the DPC processing statusHistory of the DPC processing status
Nodirect link