where 
any 
i) 
i} 
(e) 
2) 
n 
2 
normalizing, 
sin(W,¢) . sin(W2 n) sin(V3C) 
sty a L,hM,sin(e) Wz sin(y) ' Wz sin(C) 0) 
Note that in equation (10) each factor represents the nor- 
malized directivity function for a linear array with the 
respective number of elements in the respective axis 
direction. 
If a direction (cosa, COS85, COSy.) had been compensated 
for, the substitution parameters in equation (10) would 
have been 
a5 Fa (cosa- COSA ) 
7 = “22 (cos8- cos8o) 
C= EZ2 (cos y- C0S7o) 
To show the validity of (11), below, let 
a = B° 
3 S97" 
ya 
and 
Qo =) (Baie = O90)” 
Bona om a0 
and 
