G@)= > ge (3.6) 
u=-@ 
where G(@) is the frequency response function of this system. Then as already shown by 
Egs. 2.165, 2.170; 2.166, 2.172, 
Ryx(r) = > gy Rxx(r—u) (3.7) 
— -e — (M= 40, WITHOUT SHIFT) 
——>— (m = 60, WITH SHIFT 94) 
| | 
—_———_— 
| WITH BK. | 
|}V=0 | 
RUN NO. 834 
| 
| SPECTRUM J | 
50+ RESPONSE |Hi())/F loco son) | 
} 
] |m=60 —o- 
40 : 1 —— 
H | 
30= 
| 
| 
| 
} 
Fig. 3.4. Frequency responses of roll-wave (run 834) 
(m=60 with shift and m=40 without shift). 
(From Yamanouchi.3") 
Syx(@) = G@) Sxx(w) (3.8) 
If we assume that g, (with— © <u< ©) can be approximated by finite terms of 
8. (with—n <u<n), then Eq. 3.7 gives the matrix of Eq. 3.9, 
Tl 
