| No. |
Processing History |
Line 1A |
| 1 |
Format Conversion |
Yes |
|
Demultiplexing |
Yes |
|
Record Length |
16 s |
|
Sample Interval |
0.004 s |
| 2 |
Amplitude Recovery |
Exponential curve |
| 3 |
Crooked-Line Geometry |
Yes |
| 4 |
Pre-Mute Editing |
Trace edit on shots |
| 5 |
Mute |
First break |
|
Distance/ Mute (for shot point 635) |
(0 m: 0.3 s); (4000 m: 1.1 s); (8000 m: 1.9 s); (12500 m: 2.5 s) |
|
Distance/ Mute (for shot point 765) |
(0 m: 0.3 s); (4000 m: 1.2 s); (8000 m: 1.8 s); (12500 m: 2.5 s); (15000 m: 2.9 s) |
|
Distance/ Mute (for shot point 779) |
(0 m: 0.3 s); (4000 m: 1.2 s); (8000 m: 1.8 s); (12500 m: 2.5 s); (15000 m: 2.9 s); (20000 m: 3.3 s) |
|
Distance/ Mute (for shot points 829 & 1001) |
(0 m: 0.3 s); (4000 m: 1.2 s); (8000 m: 1.8 s); (12500 m: 2.5 s) |
| 6 |
Structure Statics |
Elevation only |
|
Datum |
2000 m ASL |
|
Replacement Velocity |
4000 m/s |
| 7 |
Amplitude Equalization |
AGC |
|
Window |
0-1 s |
| 8 |
Trace Gather |
Yes |
| 9 |
NMO Corrections |
Yes |
| 10 |
Stack |
60 fold |
| 11 |
Filter |
Digital bandpass |
|
Application Gate/Pass Band |
0-16 s: 5,8,40,45 Hz |
| 12 |
Post-Filter Amplitude Equalization |
Mean scale |
|
Window |
1-7 s |