| id | field name | definition |
|---|
| 0 | dsr_time |
| binary time | size: 12 |
|---|
Time of last start elevation scan sequence (MJD). This time corresponds to the ZPD crossing time of the first sweep of the scan for which the data is valid or used.
unit: "s since 2000-01-01"
value: float(./days) * 86400 + float(./seconds) + float(./microseconds) / 1000000
| binary record | size: 12 |
|---|
ENVISAT binary datetime
| id | field name | definition |
|---|
| 0 | days |
| binary int32 | size: 4 |
|---|
days since January 1st, 2000 (may be negative)
unit: "days since 2000-01-01"
|
|
| 1 | seconds |
| binary uint32 | size: 4 |
|---|
seconds since start of day
unit: "s"
|
|
| 2 | microseconds |
| binary uint32 | size: 4 |
|---|
microseconds since start of second
unit: "1e-6 s"
|
|
|
|
|
| 1 | dsr_length |
| binary uint32 | size: 4 |
|---|
Length of this DSR in bytes
unit: "bytes"
|
|
| 2 | attach_flag |
| binary uint8 | size: 1 |
|---|
|
Attachment flag (always set to zero for this ADSR)
|
|
| 3 | app_id |
| binary uint16 | size: 2 |
|---|
|
Application process ID
|
|
| 4 | filter_id |
| binary uint16 | size: 2 |
|---|
|
Filter set ID
|
|
| 5 | dec_factor |
| binary array[8] | size: 8 |
|---|
Decimation factors. Order: detectors A1, A2, ..., D2
|
|
| 6 | band_map |
| binary array[6] | size: 6 |
|---|
Band mapping configuration
|
|
| 7 | num_sweeps |
| binary uint16 | size: 2 |
|---|
|
Number of sweeps in current scan
|
|
| 8 | num_fringe |
| binary uint32 | size: 4 |
|---|
|
Number of fringe counts (samples at ADC)
|
|
| 9 | sait_id |
| binary array[2] | size: 2 |
|---|
Commanded elevation and azimuth SAIT ID of current scan
|
|
| 10 | azi_ang |
| binary array[2] | size: 8 |
|---|
Commanded start elevation and azimuth angles of current scan
|
|
| 11 | scan_count |
| binary uint32 | size: 4 |
|---|
|
Elevation scan counter (reset to zero after a new valid offset calibration)
|
|
| 12 | num_fce |
| binary uint32 | size: 4 |
|---|
|
Accumulated FCE corrected in gain calibration data, at end of current scan (reset to zero at the start of each processing window).
|
|
| 13 | true_local_solar_time |
| binary int32 (double) | size: 4 |
|---|
True local solar time at target
unit: "1e-6 hours"
converted unit: "hours" (multiply by 1/1000000)
|
|
| 14 | sat_target_azim |
| binary int32 (double) | size: 4 |
|---|
Satellite to target azimuth
unit: "1e-6 degrees"
converted unit: "degrees" (multiply by 1/1000000)
|
|
| 15 | target_sun_azim |
| binary int32 (double) | size: 4 |
|---|
Target to sun azimuth
unit: "1e-6 degrees"
converted unit: "degrees" (multiply by 1/1000000)
|
|
| 16 | target_sun_elev |
| binary int32 (double) | size: 4 |
|---|
Target to sun elevation
unit: "1e-6 degrees"
converted unit: "degrees" (multiply by 1/1000000)
|
|
| 17 | spare_1 |
| binary bytes | size: 70 |
|---|
|
spare
|
hidden: true
|
| 18 | time_start_elev_scan |
| binary time | size: 12 |
|---|
MJD start time of the first elevation scan (ZPD) from which scene data were extracted for actual spectral calibration.
unit: "s since 2000-01-01"
value: float(./days) * 86400 + float(./seconds) + float(./microseconds) / 1000000
| binary record | size: 12 |
|---|
ENVISAT binary datetime
| id | field name | definition |
|---|
| 0 | days |
| binary int32 | size: 4 |
|---|
days since January 1st, 2000 (may be negative)
unit: "days since 2000-01-01"
|
|
| 1 | seconds |
| binary uint32 | size: 4 |
|---|
seconds since start of day
unit: "s"
|
|
| 2 | microseconds |
| binary uint32 | size: 4 |
|---|
microseconds since start of second
unit: "1e-6 s"
|
|
|
|
|
| 19 | qua_ind_pcd_flag |
| binary int8 | size: 1 |
|---|
|
Quality indicator (PCD); 0 = non_corrupted, -1 = default values filled in
|
|
| 20 | lin_spec_corr_fac |
| binary double | size: 8 |
|---|
|
Linear spectral correction factor (Ksc). Linear correction factor (same for all the bands). Doppler effect is treated separately and removed from the scene spectra before spectral calibration.
|
|
| 21 | std_dev_corr_fac |
| binary double | size: 8 |
|---|
|
Standard deviation of correction factor
|
|
| 22 | spare_2 |
| binary bytes | size: 24 |
|---|
|
spare
|
hidden: true
|
| 23 | num_pk_fit |
| binary uint16 | size: 2 |
|---|
|
Number of peak fitted
|
|
| 24 | paw_gain_scal |
| binary array[8] | size: 32 |
|---|
PAW gain scaling constants
|
|
| 25 | spare_3 |
| binary bytes | size: 14 |
|---|
|
Spare
|
hidden: true
|
| 26 | peak |
| binary array[dim_0] |
|---|
Peaks
dim_0: int(../num_pk_fit)
| binary record |
|---|
| id | field name | definition |
|---|
| 0 | mc_win_id |
| ascii string | size: 8 |
|---|
|
Microwindow ID
|
|
| 1 | wvnum_spec_ln |
| binary double | size: 8 |
|---|
Exact wavenumber of spectral line
unit: "1/cm"
|
|
| 2 | dect_freq_shift |
| binary double | size: 8 |
|---|
Detected frequency shift
unit: "1/cm"
|
|
| 3 | correla_coeff |
| binary double | size: 8 |
|---|
|
Correlation coefficient
|
|
| 4 | num_coadd_scene |
| binary uint16 | size: 2 |
|---|
|
Number of coadded scene measurements
|
|
| 5 | seq_id_scene_coadd |
| binary array[dim_0] |
|---|
Sequential ID of scene measurements coadded
dim_0: int(../num_coadd_scene)
|
|
|
|
|
| 27 | nesr_data |
| binary array[dim_0, dim_1] |
|---|
NESR data
dim_0: int(../num_sweeps)
dim_1: int(/sph/num_nesr_pnts)
| binary float | size: 4 |
|---|
|
unit: "W/(cm2.sr.1/cm)"
|
|
|