L2AuxiliaryProcessorParameters version 7

xml record

id field name definition 0 productId xml string 1 ocnProcParams xml record id field name definition 0 oswProcParams xml record id field name definition 0 spectralEstimationParams xml record id field name definition 0 frequencySeparation ascii double Frequency separation of neighbouring looks. unit: "Hz" 1 rangeLookFilterWidth ascii double Range look filter width. unit: "Hz" 2 azimuthLookFilterWidth ascii double Azimuth look filter width. unit: "Hz" 3 numberOfLooks ascii uint64 Number of individual looks. 4 numRangePixels ascii uint64 Number of range pixels from input L1 product to be used in the estimation of the OSW. Only used for SM, for WV all range pixels are used. 5 numAzimuthPixels ascii uint64 Number of azimuth pixels from input L1 product to be used in the estimation of the OSW. Only used for SM, for WV all range pixels are used. 6 numAzimuthPixelsCartesianSpec ascii uint64 Number of azimuth pixels in cartesian co- and cross-spectra [pixels]: N_x=256 7 numRangePixelsCartesianSpec ascii uint64 Number of range pixels in cartesian co- and cross-spectra [pixels]: N_y=256 8 xHanningPixels ascii uint64 Order of Hanning window function over the range axis: β_x=1 9 yHanningPixels ascii uint64 Order of Hanning window function over the azimuth axis: β_y=1 10 detrendFilterWindow ascii array[dim_0] dim_0: int(str(@count)) attribute: count ascii string ascii uint64 Width of low-pass filter for detrending of SLC image. The default value are: filerwidth=(500 ,500) 11 sizePeriodogrammeXspecTops ascii array[dim_0] dim_0: int(str(@count)) attribute: count ascii string ascii uint64 Specifies the periodogram size used to estimate the cross-spectra in TOPS mode, applied over the azimuth and range dimensions [Pixel]. Default value: (300,600 ) available: optional 12 sizeEstimationAreaXspecTops ascii array[dim_0] dim_0: int(str(@count)) attribute: count ascii string ascii uint64 Specifies the maximum size, over azimuth and range dimension, of the estimation area form intra/inter-Burst to estimate the cross-spectra in TOPS mode [Pixel]. Default value: (2000, 3000 ) available: optional 1 spectralInversionParams xml record id field name definition 0 shortestWavelength ascii float Shortest wavelength of output polar grid. unit: "m" 1 longestWavelength ascii float Longest wavelength of output polar grid. unit: "m" 2 waveNumberBins ascii uint64 Number of wavenumber bins in polar grid. 3 directionalBins ascii uint64 Number of directional bins in polar grid. 4 vel_thr xml array[dim_0] dim_0: determined automatically from xml file ascii float Parameters relative to velocity bunching. attribute: beam ascii string available: optional 5 activateAlfaCorrection xml array[dim_0] dim_0: determined automatically from xml file ascii uint8 Parameters relative to the calibration of the MTF to compensate for wind-dependent Hs Range Ratio. The parameter has an attribute named "beam" to allow decoupling the activation depending on the beam for WV (i.e: allowed attribute value WV1, WV2, S1, S2, S3, S4, S5, S6) mapping: "false" -> 0 mapping: "true" -> 1 attribute: beam ascii string available: optional 6 activateBetaCorrection xml array[dim_0] dim_0: determined automatically from xml file ascii uint8 Parameters relative to the calibration of the MTF to compensate for wind-dependent Hs Eff Ratio. The parameter has an attribute named "beam" to allow decoupling the activation depending on the beam for WV (i.e: allowed attribute value WV1, WV2, S1, S2, S3, S4, S5, S6) mapping: "false" -> 0 mapping: "true" -> 1 attribute: beam ascii string available: optional 7 merge_thr_low xml array[dim_0] dim_0: determined automatically from xml file ascii float Value of the contrast between two partitions below which they should be merged during the removal of the low frequency noise (non-wave signatures). attribute: beam ascii string available: optional 8 merge_thr_fac xml array[dim_0] dim_0: determined automatically from xml file ascii float Factor applied to the contrast between two partitions below which they should be merged during the swell spectrum partitioning. attribute: beam ascii string available: optional 9 merge_close xml array[dim_0] dim_0: determined automatically from xml file ascii uint8 Decide or not to merge partitions during the swell spectrum partitioning for which the spectral distance between the integral parameters is above the variable merge_close_thr (row below). mapping: "false" -> 0 mapping: "true" -> 1 attribute: beam ascii string available: optional 10 merge_close_thr xml array[dim_0] dim_0: determined automatically from xml file ascii float Factor applied to the contrast between two partitions below which they should be merged during the swell spectrum partitioning. attribute: beam ascii string available: optional 11 discard_thr xml array[dim_0] dim_0: determined automatically from xml file ascii float During the partitioning process, value for which swell spectrum values are not considered to present any relevant peak for the detection of the local peak. attribute: beam ascii string available: optional 12 numberOfPartitions ascii uint64 Maximal number of partitions to be retrieved from the wave spectrum. The default value is: npart=5 13 effectiveRangeResolution ascii float Effective range resolution used to tune the RAR MTF. The default value: L_res=20 14 alphaThreshold xml array[dim_0] dim_0: determined automatically from xml file ascii float The lowest wavenumber used in the low frequency filtering process. α_h=2π/800 attribute: beam ascii string available: optional 15 resamplingGrowthRate xml array[dim_0] dim_0: determined automatically from xml file ascii float Resampling growth rate for cartesian spectrum compression from linear to sinh grid. The default value is: resGrowthRate=32 attribute: beam ascii string available: optional 16 resamplingHalfWidth xml array[dim_0] dim_0: determined automatically from xml file ascii float The half width of the lowpass filter for cartesian cross spectra resampling. The default value is 1 attribute: beam ascii string available: optional 17 ambiguityFactor xml array[dim_0] dim_0: determined automatically from xml file ascii float This factor is used to adjust the MTF, with a default value of 1100 attribute: beam ascii string available: optional 18 snrThreshold xml array[dim_0] dim_0: determined automatically from xml file ascii float Signal-to-noise ratio threshold for ambiguity removal. The default value is: γ_amb=0.02 attribute: beam ascii string available: optional 19 lowFrequencyMtfThreshold xml array[dim_0] dim_0: determined automatically from xml file ascii float Parameter used to tune the MTF for low wavenumbers. The default value is: α_mtf=0.25 attribute: beam ascii string available: optional 20 clutterFactorRegion xml array[dim_0] dim_0: determined automatically from xml file ascii array[dim_0] dim_0: int(str(@count)) attribute: beam ascii string available: optional attribute: count ascii string ascii float Factors specifying the spectral clutter estimation region (range/azimuth sizes, azimuth position). The default values are: cultreg=[0.15, 0.04, 0.9] 21 lambdaScaling xml array[dim_0] dim_0: determined automatically from xml file ascii float Scaling lambda to give the ROI in azimuth. The default value is: njy=6.911504 attribute: beam ascii string available: optional 2 activateTotalHs xml array[dim_0] dim_0: determined automatically from xml file ascii uint8 Allow activating the computation of the total significant wave height, value=True to activate the calculation, otherwise False mapping: "false" -> 0 mapping: "true" -> 1 attribute: beam ascii string available: optional 3 activateGroupDir ascii uint8 Allow activating the computation of the peak direction from Group analysis, value=True to activate the calculation, otherwise False mapping: "false" -> 0 mapping: "true" -> 1 4 activateNoiseCorrection ascii uint8 Allow to trigger the denoising on OSW mapping: "false" -> 0 mapping: "true" -> 1 5 seaCoverageThreshold ascii float Threshold on percentage of Sea Coverage. Imagettes having a percentage of Sea Coverage below this threshold will not be processed with a full OSW inversion. Variables not generated will contain fill values. Default is 0%. available: optional 6 useOnlyInference xml array[dim_0] dim_0: determined automatically from xml file ascii uint8 If true, the model inference is performed using the models provided in AUX_ML2 auxiliary product, and if a failure is occurring, the LOP process stops with error. If false, the model inference is performed using the models provided in AUX_ML2 auxiliary product, however, if a failure is occurring, the LOP continues the processing either replacing the result of inference by legacy inversion process (if existing), or by using fill values. The model it applies to can be selected by the "for" attribute, with allowed values "TotalHS" and "Quality Flag" mapping: "false" -> 0 mapping: "true" -> 1 attribute: for ascii string available: optional 7 useAncillaryWind ascii uint8 Use the wind direction from ECMWF. The default value is set to True. mapping: "false" -> 0 mapping: "true" -> 1 8 hsWindSeaMethod xml string "legacy_empirical": Uses an empirical algorithm that has been implemented since the start of the mission (for IPF versions earlier than 4.0). "deep_learning": Uses a deep learning model to estimate the Hs wind sea (available for IPF versions 4.0 and later). "None": No Hs wind sea computation is performed for the product. 9 useBathy ascii uint8 Use bathymetry data. The default value is set to True. mapping: "false" -> 0 mapping: "true" -> 1 10 useLandMask ascii uint8 Use land mask data. The default value is set to True.. mapping: "false" -> 0 mapping: "true" -> 1 11 activateXspecEstimationTops ascii uint8 Estimate the Cross-spectra estimation from TOPS mode. The default value is set to False. mapping: "false" -> 0 mapping: "true" -> 1 available: optional 1 owiProcParams xml record id field name definition 0 rangeCellSize ascii double Size of the SAR derived wind field in the range direction. Wind cells should typically be square therefore nominally rangeCellSize = azimuthCellSize. unit: "m" 1 azimuthCellSize ascii double Size of the SAR derived wind field in the azimuth direction. Wind cells should typically be square therefore nominally azimuthCellSize = rangeCellSize. unit: "m" 2 distanceToShore ascii double Distance to shore where the processing is not performed. unit: "km" 3 windSpeedStdDev ascii double Standard deviation error of the wind speed provided by ancillary wind information. unit: "m/s" 4 windDirStdDev ascii double Standard deviation error of the wind direction provided by ancillary wind information. unit: "degrees" 5 gmfIndex xml array[dim_0] dim_0: determined automatically from xml file ascii uint8 Index or name of the Geophysical Model Function (GMF) to be used for the wind inversion, used for either for VV or HH polarisation data. Options supported are integers in the range [ 0, 21]: 0=gmf_cmod2_i3_nn, 1= gmf_cmod_ifr2_nn, 2=gmf_cmod_ifr2_bc_nn,3=gmf_cmod4_nn, 4=gmf_cmod2_i3, 5=gmf_cmod_ifr2, 6=gmf_cmod_ifr2_bc, 7=gmf_cmod4, 8=gmf_cmod5, 9=gmf_cmodcross2pol, 10=gmf_cmodrs2cross4pol, 11=gmf_cmodrs2cross4pol_vachon, 12=gmf_cmod5n, 13=gmf_cmod5h, 14=gmf_cmod5na, 15=gmf_cmod6, 16=gmf_sarmodVV, 17=gmf_sarmodHH, 18=gmf_cmodcross_h14e, 19=gmf_cmodcross_h14s, 20=gmf_cmodcross_ms1a, 21=gmf_cmodrs2cross2pol. The concerned polarisation is discriminated by the attribute named "polarisation" with supported value 'VV' or 'HH' attribute: polarisation ascii string available: optional 6 gmf xml array[dim_0] dim_0: determined automatically from xml file xml string Name of the Geophysical Model Function (GMF) to be used for the wind inversion, used for either for VV or HH polarisation data. One GMF per polarisation (VV and HH) described as an attribute. Allowed values are cmod2_i3_nn, cmod_ifr2_nn, cmod_ifr2_bc_nn, cmod4_nn, cmod2_i3, cmod_ifr2, mod_ifr2_bc, mod4, mod5, modcross2pol, cmodrs2cross4pol, cmodrs2cross4pol_vachon, cmod5n, cmod5h, cmod5na, cmod6, sarmodVV, sarmodHH, cmodcross_h14e, cmodcross_h14s, cmodcross_ms1a, cmodrs2cross2pol attribute: polarisation xml string available: optional 7 polarisationRatio xml string Name of the polarization ratio to be used for the wind inversion. It is considered only for HH polarisation. Allowed values are mouch1_ and zhang_2. 8 inversionQualityThreshold ascii double Value above which minimization in the inversion is considered low quality. Valid value range is between 0 and 1e29. 9 calibrationQualityThreshold ascii double Value above which the calibration of the product is considered to be incorrect. Valid value range is between 0 and 10 dB. unit: "dB" 10 nrcsQualityThreshold ascii double Value above which the NRCS estimated at the SAR wind cell resolution is considered as low quality. Valid value range is between -30 and 10 dB. unit: "dB" 11 brightTargetPfa xml array[dim_0] dim_0: determined automatically from xml file ascii double Probability of false alarm for the removal of bright target. attribute: polarisation ascii string available: optional 12 activateNoiseCorrection ascii uint8 Allow activating the noise correction, value=True to activate the noise correction, otherwise False. mapping: "false" -> 0 mapping: "true" -> 1 13 activateBrightTarget xml array[dim_0] dim_0: determined automatically from xml file ascii uint8 Allow the activation of bright target computation in a given channel 'polarisation', if the bright target computation is not activated for the given channel, it is not taking into account for combined bright target mask. mapping: "false" -> 0 mapping: "true" -> 1 attribute: polarisation ascii string available: optional 14 brightTargetEstimatedFrom xml array[dim_0] dim_0: determined automatically from xml file xml string Parameter allowing to describe for a given channel, the origin of the Bright target mask that has been applied. Possible value examples: "None" No bright target mask applied, "VV" mask from bright target detected on VV only, "VV+VH" mask from bright targets detected on VV channel OR VH channel, "VVxVH" mask from bright targets detected on both VV channel AND VH channel. attribute: polarisation xml string available: optional 15 rfiAnnotationThreshold xml array[dim_0] dim_0: determined automatically from xml file xml record Parameters threshold applied on RFI report annotation value to report the corresponding burst with RFI. Thresholds are expressed with the attribute beam, supported value ‘IW1’, ‘IW2’, ‘IW3’, ‘EW1’, ‘EW2’, ‘EW3’, ‘EW4’, ‘EW5’ attribute: beam xml string available: optional id field name definition 0 timeDomainPercentageAffectedLines ascii double Threshold on time Domain Percentage Affected Lines 1 timeDomainAvgPercentageAffectedSamples ascii double Threshold on time Domain Avg Percentage Affected Samples 2 timeDomainMaxPercentageAffectedSamples ascii double Threshold on time Domain Max Percentage Affected Samples 3 freqDomainPercentageAffectedLines ascii double Threshold on freqDomainPercentageAffectedLines 4 freqDomainMaxPercentageAffectedBw ascii double Threshold on freqDomainMaxPercentageAffectedBw 2 rvlProcParams xml record id field name definition 0 rangeBlockSize ascii double Size of the Doppler estimation block in the range direction. unit: "m" 1 azimuthBlockSize ascii double Size of the Doppler estimation block in the azimuth direction. unit: "m" 2 rangeCellSize ascii double Size of grid cell interval in range direction. unit: "m" 3 azimuthCellSize ascii double Size of grid cell interval in azimuth direction unit: "m" 4 rangeResolutionReductionFactor ascii double Factor of resolution reduction in the range dimension 5 azimuthResolutionReductionFactor ascii double Factor of resolution reduction in the azimuth dimension 6 nSideBands ascii double Parameter used to compute the antenna coefficients 7 azimuthTileSize ascii double Size of the tile along the azimuth dimension for reading buffered data 8 yHanningPixels ascii double Hanning window size along the azimuth dimension 9 xHanningPixels ascii double Hanning window size along the range dimension 10 rfiAnnotationThreshold xml array[dim_0] dim_0: determined automatically from xml file xml record Parameters threshold applied on RFI report annotation value to report the corresponding burst with RFI. Thresholds are expressed with the attribute beam, supported value ‘IW1’, ‘IW2’, ‘IW3’, ‘EW1’, ‘EW2’, ‘EW3’, ‘EW4’, ‘EW5’ attribute: beam xml string available: optional id field name definition 0 timeDomainPercentageAffectedLines ascii double Threshold on time Domain Percentage Affected Lines 1 timeDomainAvgPercentageAffectedSamples ascii double Threshold on time Domain Avg Percentage Affected Samples 2 timeDomainMaxPercentageAffectedSamples ascii double Threshold on time Domain Max Percentage Affected Samples 3 freqDomainPercentageAffectedLines ascii double Threshold on freqDomainPercentageAffectedLines 4 freqDomainMaxPercentageAffectedBw ascii double Threshold on freqDomainMaxPercentageAffectedBw