| No. |
Processing History |
Line 31 |
| 1 |
Format Conversion |
Yes |
|
Record Length |
18 s |
|
Sample Interval |
0.004 s |
| 2 |
Crooked Spread Geometry |
Yes |
| 3 |
Pre-Deconvolution Corrections |
Yes |
|
Maximum Perpendicular Offset |
1000 m |
|
Geophone Phase Compensation |
Yes |
|
Notch Filter |
60 Hz |
| 4 |
Deconvolution |
Spiking |
|
Pre-Whitening |
1% |
|
Operator Length |
0.08 s |
|
Near Offset Application Window |
0.3-3.3 s |
|
Far Offset Application Window |
0.9-3.5 s |
| 5 |
Bandpass Filter |
Yes |
|
Time/Pass Band |
(0-3 s: 15,20,55,60 Hz); (3-18 s: 12,15,50,55 Hz) |
| 6 |
Amplitude Compensation |
AGC |
|
Window |
0.5 s |
| 7 |
Elevation Statics |
Yes |
|
Datum |
400 m ASL |
|
Replacement Velocity |
6000 m/s |
| 8 |
Weathering Statics |
Yes |
|
Weathering Velocity |
1500 m/s |
| 9 |
NMO Corrections |
Yes |
| 10 |
Mute |
Yes |
|
Offset/Time |
(300 m: 0 s); (350 m: 0.15 s); (10000 m: 1.7 s) |
| 11 |
CDP Trim Statics |
Yes |
|
Window |
0.3-5 s |
|
Maximum Shift |
0.020 s |
| 12 |
CDP Stacking |
60 fold |
| 13 |
Pre-Scaling Filter |
Bandpass |
|
Spectral Whitening (Time/Pass Band) |
(0-2.5 s: 15,20,50,55 Hz);(2.5-18 s: 10,15,45,50 Hz) |
| 14 |
Scaling |
Multiple gate AGC |
|
Time/Window |
(0-1 s: 0.5 s); (1-5 s: 1 s); (5-18 s: 5 s) |
| 15 |
Migration |
FK migration |
|
Velocity |
6000 m/s |