Level_1B_Processing_WVM_Parameters_04_19

xml record "Level_1B_Processing_WVM_Parameters_04_19"
Processing parameters for Wind Velocity Measurement

idfield namedefinition
0File_Type
xml string
File type string
1Sph_Descriptor
xml string
ASCII string describing the product
2Data_Source
xml string
String indicating source of AISP data product. If set to 'A2D' equ. 69(b) is used. If set to 'E2S' or any other string equ 69(a) is used.
3Line_Of_Sight_Wind_Flag
ascii uint8
Flag indicating whether horizontal or line-of-sight wind should be used. This flag can be set to either "true" or "false". A "true" value indicates that the line of sight wind velocity is computed, and a "false" value indicates that horizontal wind velocity is computed

mapping: "FALSE" -> 0

mapping: "False" -> 0

mapping: "false" -> 0

mapping: "TRUE" -> 1

mapping: "True" -> 1

mapping: "true" -> 1
4Min_Num_of_Mie_Ground_Echo_Measurements
ascii uint32
Minimum number of Mie ground wind measurement bins to validate ground correction factor
5Mie_Land_Useful_Signal_Lower_Threshold
ascii double
Threshold applied to coadded gound signal of a measurement if the surface indicates land surface. If the threshold is met, the signal is added to the sum of the ground signal on observation level

attribute: unit
ascii stringsize: 11
fixed value: "ACCD counts"

available: optional
6Mie_Water_Useful_Signal_Lower_Threshold
ascii double
Threshold applied to coadded gound signal of a measurement if the surface indicates water/sea ice surface. If the threshold is met, the signal is added to the sum of the ground signal on observation level

attribute: unit
ascii stringsize: 11
fixed value: "ACCD counts"

available: optional
7Mie_Max_Ground_Echo_Bin_Thickness_Above_DEM
ascii double
Threshold applied to a bin identified as ground bin candidate. If the threshold is not met, the signal of the bin is not added to the sum of the ground signal on observation level

attribute: unit
ascii stringsize: 1
fixed value: "m"

available: optional
8Mie_SR_Useful_Signal_Lower_Threshold
ascii double
Useful signal threshold used to flag Mie SR on measurement level valid/invalid. See also parameter Mie_SR_Useful_Signal_Lower_Threshold_Met

attribute: unit
ascii stringsize: 11
fixed value: "ACCD counts"

available: optional
9Min_Num_of_Rayleigh_Ground_Echo_Measurements
ascii uint32
Minimum number of Rayleigh ground wind measurement bins to validate ground correction factor
10Rayleigh_Land_Useful_Signal_Lower_Threshold
ascii double
Threshold applied to coadded gound signal of a measurement if the surface indicates land surface. If the threshold is met, the signal is added to the sum of the ground signal on observation level

attribute: unit
ascii stringsize: 11
fixed value: "ACCD counts"

available: optional
11Rayleigh_Water_Useful_Signal_Lower_Threshold
ascii double
Threshold applied to coadded gound signal of a measurement if the surface indicates water/sea ice surface. If the threshold is met, the signal is added to the sum of the ground signal on observation level

attribute: unit
ascii stringsize: 11
fixed value: "ACCD counts"

available: optional
12Rayleigh_Max_Ground_Echo_Bin_Thickness_Above_DEM
ascii double
Threshold applied to a bin identified as ground bin candidate. If the threshold is not met, the signal of the bin is not added to the sum of the ground signal on observation level

attribute: unit
ascii stringsize: 1
fixed value: "m"

available: optional
13Maximum_Upper_DEM_Offset
ascii double
Maximum height difference that center of detected ground bin is allowed to be above center of DEM intersection bin

unit: "m"

attribute: unit
ascii string
14Maximum_Lower_DEM_Offset
ascii double
Maximum height difference that center of detected ground bin is allowed to be below center of DEM intersection bin

unit: "m"

attribute: unit
ascii string
15Correction_With_Error_Response_Fit
ascii uint8
Flag indicating wether the Rayleigh response correction shall be performed using the array of response errors of the AUX_RRC file or the polynomial fit of the response errors. A 'TRUE' value indicates that the polynomial fit parameters are used.

mapping: "FALSE" -> 0

mapping: "False" -> 0

mapping: "false" -> 0

mapping: "TRUE" -> 1

mapping: "True" -> 1

mapping: "true" -> 1
16Root_Selection_Stop_Threshold
ascii double
If CorrectionWith_Error_Respose_Fit is set to TRUE, the root of a polynomial is retrieved in a Newton iteration that uses this iteration stop threshold.
17Mie_Ground_Correction_Weighting_Factor
ascii double
Mie ground correction weighting factor
18Rayleigh_Ground_Correction_Weighting_Factor
ascii double
Rayleigh ground correction weighting factor
19Min_Mie_Ground_Detection_Signal_Derivative
ascii double
Minimum derivative of Mie signal for ground detection

attribute: unit
ascii stringsize: 11
fixed value: "ACCD counts"

available: optional
20Max_Mie_Ground_Detection_Response_Shift
ascii double
Maximum Mie Response shift for ground detection

unit: "ACCD pixel"

attribute: unit
ascii stringsize: 10
fixed value: "ACCD pixel"

available: optional
21Min_Rayleigh_Ground_Detection_Signal_Derivative
ascii double
Minimum derivative of Rayleigh signal shift forground detection
22Max_Rayleigh_Ground_Detection_Response_Shift
ascii double
Maximum Rayleigh Response shift for ground detection
23Ground_Detection_FWHM_Upper_Threshold
ascii double
Maximum FWHM of Mie signal for ground detection

unit: "pixel"

attribute: unit
ascii stringsize: 10
fixed value: "ACCD pixel"

available: optional
24Mie_Rayleigh_Ground_Correction_Offset
ascii double
Offset between Mie and Rayleigh ground corrections

attribute: unit
ascii string
25Rayleigh_Correction_With_Mie_Ground_Echo_Weighting_Factor
ascii double
Weighting parameter for correction of Rayleigh with Mie ground echo
26Mie_Harmonic_Correction_Factor
ascii double
Weighting parameter for Mie harmonic correction
27Rayleigh_Harmonic_Correction_Factor
ascii double
Weighting parameter for Rayleigh harmonic correction
28Rayleigh_Correction_With_Mie_Harmonic_Weighting_Factor
ascii double
Weighting parameter for correction of Rayleigh with Mie harmonic
29Num_Bad_Pulses_Per_Meas_Threshold
ascii uint32
Threshold for the number of bad pulses in each measurement
30Multimode_Average_Ratio_Obs_Threshold
ascii double
Threshold for the for the multimode average ratio over an observation
31Wind_Velocity_Threshold
ascii double
Retrieved wind values above this threshold are flagged invalid

unit: "m/s"

attribute: unit
ascii stringsize: 3
fixed value: "m/s"

available: optional
32Cut_Negative_Mie_Measurement_Data
ascii uint8
Flag TRUE/FALSE to indicate whether negative values for the Mie_Measurement_Data should be set to 0.0.

mapping: "FALSE" -> 0

mapping: "False" -> 0

mapping: "false" -> 0

mapping: "TRUE" -> 1

mapping: "True" -> 1

mapping: "true" -> 1
33Cut_Negative_Mie_Mean_Ref_Pulse_Data
ascii uint8
Flag TRUE/FALSE to indicate whether negative values for the Mie_Reference_Pulse should be set to 0.0.

mapping: "FALSE" -> 0

mapping: "False" -> 0

mapping: "false" -> 0

mapping: "TRUE" -> 1

mapping: "True" -> 1

mapping: "true" -> 1
34Use_Fitted_Non_Linearities
ascii uint8
Flag TRUE/FALSE to indicate if the fitted non-linearities should be used for the Mie processing instead of non-linearities of the input AUX_MRC_1B

mapping: "FALSE" -> 0

mapping: "False" -> 0

mapping: "false" -> 0

mapping: "TRUE" -> 1

mapping: "True" -> 1

mapping: "true" -> 1
35Fitted_Non_Linearities
xml record
idfield namedefinition
0Num_Sampling_Points_Internal_Reference
ascii uint16
Number of sampling points for the Mie non-linearities for the internal path
1Num_Sampling_Points_Atmosphere
ascii uint16
Number of sampling points for the Mie non-linearities for the atmospheric path
2Pixel_Positions_Internal_Reference
ascii array[dim_0]
dim_0: int(../Num_Sampling_Points_Internal_Reference)

attribute: unit
ascii stringsize: 16
fixed value: "ACCD pixel index"

available: optional

ascii double
3Fitted_Reference_Pulse_Error_Mie_Response
ascii array[dim_0]
dim_0: int(../Num_Sampling_Points_Internal_Reference)

attribute: unit
ascii stringsize: 10
fixed value: "ACCD pixel"

available: optional

ascii double
4Pixel_Positions_Atmospheric_Path
ascii array[dim_0]
dim_0: int(../Num_Sampling_Points_Atmosphere)

attribute: unit
ascii stringsize: 16
fixed value: "ACCD pixel index"

available: optional

ascii double
5Fitted_Measurement_Error_Mie_Response
ascii array[dim_0]
dim_0: int(../Num_Sampling_Points_Atmosphere)

attribute: unit
ascii stringsize: 10
fixed value: "ACCD pixel"

available: optional

ascii double
36Use_Constant_Internal_Response_Rayleigh
ascii uint8
Flag TRUE/FALSE to indicate if a constant response value for the internal Rayleigh reference should be used instead of the processed internal Rayleigh reference response.

mapping: "FALSE" -> 0

mapping: "False" -> 0

mapping: "false" -> 0

mapping: "TRUE" -> 1

mapping: "True" -> 1

mapping: "true" -> 1
37Constant_Internal_Response_Rayleigh
ascii double
Constant internal Rayleigh reference response.

unit: "pixel"
38Use_Constant_Internal_Response_Mie
ascii uint8
Flag TRUE/FALSE to indicate if a constant response value for the internal Mie reference should be used instead of the processed internal Mie reference response.

mapping: "FALSE" -> 0

mapping: "False" -> 0

mapping: "false" -> 0

mapping: "TRUE" -> 1

mapping: "True" -> 1

mapping: "true" -> 1
39Constant_Internal_Response_Mie
ascii double
Constant internal Mie reference response.

unit: "pixel"

attribute: unit
ascii stringsize: 16
fixed value: "ACCD pixel index"

available: optional