1B p~Y— CHANNEL 1 
COHERENCIES On voprnen al POS 
TEST NO. 211 YAP.R 
2 
YZ ap O-CHANNEL 3 
1.0 
0.8 
0.6 
0.4 
0.2 
0.0 10 20 30 a 28. a 
aE TO 1.5 2.0 OMEGA 
1 Be pw—Y— CHANNEL 1 
725 Rw—4- CHANNEL 2) PARTIAL 
7 Bw.np—* ~ CHANNEL 3 
COHERENCIES 
TEST NO. 211 72 ppwr © —MULTIPLE 
3 INPUTS 
Fig. 3.27. Example of multiple and partial coherencies — (Il); vertical acceleration— 
roll, pitch, and relative wave height; comparison of two— an 
three—inputs cases. 
(From Yamanouchi.?%) 
92 
