2 = 
COHERENCIES 7éqp~Y— CHANNEL 1 } Bae 
TEST NO. 207 7ép R—S— CHANNEL 2 
72 pp- O- MULTIPLE 
1.0 
L 2 INPUTS 
__—_—_—__$_$_$__1__——. 
2.0 OMEGA 
2 
76. pw-Y—CHANNEL 1 
2 
y — A-CHANNEL 2 } PARTIAL 
COHERENCIES oon 
TEST NO. 207 SGD wep ae tas 
2 
7é ppw—O-CHANNEL 4 
3 INPUTS 
0.5 1.0 1.5 2.0 OMEGA 
2 —Y—-CHANN 
7eo pwre7Y— CHANNEL 1 
2 
Y, 2—- A-CHANNEL 2 
as PARTIAL 
2 —x—CHANNEL 3 
COHERENCIES "SW.RPR? x 
TEST NO. 207 SR 2Rpw O-CHANNEL 4 
2 
7 ppwr? ~ © ~MULTIPLE 
Fig. 3.25. Examples of multiple and partial coherencies — (I); stress—roll, pitch, relative 
wave height, and (roll)?; comparison of two-, three—, and four—inputs cases. 
(From Yamanouchi.?%) 
90 
