| id | field name | definition |
|---|
| 0 | zero_doppler_time |
| binary time | size: 12 |
|---|
Zero Doppler azimuth time at which estimate applies
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 | attach_flag |
| binary int8 | size: 1 |
|---|
|
Attachment Flag (always set to zero for this ADSR)
|
|
| 2 | slant_range_time |
| binary float | size: 4 |
|---|
2 way slant range time to first range sample"
unit: "ns"
|
|
| 3 | ground_range_origin |
| binary float | size: 4 |
|---|
Ground range origin of the polynomial (GR0) measured for the first pixel of the line
unit: "m"
|
|
| 4 | srgr_coeff |
| binary array[5] | size: 20 |
|---|
The coefficients S0, S1, S2, S3, and S4 of the ground range to slant range conversion polynomial. Slant range = S0 + S1(GR-GR0) + S2 (GR-GR0)2 + S3(GR-GR0)3 + S4(GR-GR0)4 (unit: m, m-1, m-2, m-3, m-4)
|
|
| 5 | spare_1 |
| binary bytes | size: 14 |
|---|
|
Spare
|
hidden: true
|