Panel Discussion 



where 



is a mean depth, 



fQ(a), f^Ca) are functions which are invariant with speed if the linear theory 

 is valid, 



Aa 



is a range of a defined by 



TTT 



Aa 



(3) 



From (2) it may be shown that 



M+r _ 1 C 



V 2Aa 



+ Ao 



fgCa) COS 



^-r 1 f 



~ TTT' I i fn(ci^) cos 



V 2Aa J 1 ov ^ 



-Aa 



+ i(a) sin 



+ fs(a) sin 



da 



(4) 



with 

 and 





(5) 



Figure 1 shows the results of applying this method to wave measurements 

 by Everest (Ref . [4j) behind a model defined by 



Fig. 1 - Source distribution 

 1559 



