\7 
3/— FUNCTION IS SYMMETRIC oe 
ABOUT THE LINE ae of 
O,=02 ; (Q, = 0) 2% 
Dah eae 
2 7) Si 
ore 
lenis 
ae 
Pent Mi 6 2 
a a 
1 a “4 
4 BBD 1 -6 -6 
AG 3s su wow 1 Ot ae) 
-) 8 8 “IL T1274 -6 -6 -3 
> =19! 6 6 4 7 () oy =O =2: 
~ PET ES, o) -4 4 6 
7 -2 -2 -6 -2 2 -2 -6 -3 
- 2: 
6,35 
~ 
EWS OrGI47, “8-6 6 
T 8 6 21D re wt 
1 is 2. 
Y 
9 12 6 
We 2 
40 26 2! wb 2 2 
M26 12 bi 19 4 
2317 Pia 8 7 2 
We iy 6 2 -6 8 9 -2 3 
3 
4 
2 
oe e 3 
2 mse 2 : ne : ee 
—2 ~ Ssasiee 2 5 z 2 : 3 3 
REAL PART IS SYMMETRIC, 0 
AND IMAGINARY PART IS Kank 
ANTE-SYMMETRIC ABOUT Se 
~3 L. THE LINE 6,=6, ; (Q)=0) ase 
(oy 
Fig. 11.7. Real part of wave—wave resistance cross spectrum, sea state B, 
Fn = 0.15 (normalization const. = 3.76 x10-). 
(From Dalzell.*5) 
312 
