ROLL 
———_ 
1.0 1.5 2.0 2.5 
° 
S 
w 
RELATIVE RESPONSE 
- 2 nS) 
| 2 
5 
te} 
I 
0 0.5 1.0 1.5 2.0 25 
4 STRESS 
AO STRESS 
2 
tr) 
‘ 10 20 30 40 50 60 70 80 90 0 0.5 1.0 1.5 2.0 2.5 
- ues SEC CIRCULAR FREQUENCY. w SEC’ —> W@ 
Fig. 3.16. Averaged correlograms and spectra (normalized). 
(From Yamanouchi.?3) 
© DEG? 30 60 
(ROLL)? se 
At 
150 
10 
| | | | | 
5+ DEG? (ROLL)2-FILTERED 
5 | ! | l | SEC 
Fann 30 60 90 120 150 
Fig. 3.17. Roll, (roll), 1/2{(roll),,2 — (roll),,17} processes. 
(From Yamanouchi.?%) 
82 
