COHERENCIES 7S a. a~Y- CHANNEL 1 | ne 
TEST NO. 220 74 R-A- CHANNEL 2 
ste 
7é pam O-MULTIPLE 
2 INPUTS 
2 
7 ep aw7Y— CHANNEL 1 
2 
YSARW 
2 
YSW.RA 
—A—CHANNEL 2} PARTIAL 
—x —CHANNEL 3 
COHERENCIES 
TEST NO. 220 
2 oe Ee 
¥§ Raw7 0 ~ MULTIPLE 
3 INPUTS 
Fig. 3.28. Example of multiple and partial coherencies — (IV); stress—roll, vertical 
acceleration and relative wave height; comparison of two— and three— 
inputs cases, when the (roll)? is not taken into consideration. 
(From Yamanouchi.?3) 
93 
