Regularization of the AVO inverse problem by means of a ...
Regularization of the AVO inverse problem by means of a ...
Regularization of the AVO inverse problem by means of a ...
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CHAPTER 4. TWO-TERM <strong>AVO</strong> INVERSION 48<br />
Time (s)<br />
a)<br />
0<br />
0.5<br />
1.0<br />
m/s m/s kg/m 3<br />
b)<br />
c)<br />
3951<br />
0<br />
2258<br />
0<br />
2455<br />
3771<br />
3591<br />
3411<br />
3231<br />
3051<br />
0.5<br />
2058<br />
1858<br />
1658<br />
1.0 1458<br />
0.5<br />
2425<br />
2395<br />
2365<br />
2335<br />
1.0 2305<br />
Figure 4.1: (a) P-wave velocity (b) S-wave velocity and (c) density. These models<br />
are used for <strong>the</strong> syn<strong>the</strong>tic example.<br />
Time (s)<br />
a)<br />
0.1<br />
0.3<br />
0.5<br />
0.7<br />
0.9<br />
300<br />
Offset (m)<br />
1300 2300<br />
b)<br />
0.1<br />
0.3<br />
0.5<br />
0.7<br />
0.9<br />
300<br />
Offset (m)<br />
1300 2300<br />
0.05<br />
0.03<br />
0<br />
-0.03<br />
-0.05<br />
Figure 4.2: Syn<strong>the</strong>tic data (a) noiseless, and (b) with noise, S/N=4.
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