360 -, 



270. 

 w 



<u 

 u 

 CO 

 B ^ 



■H (0 

 U 0) 

 CO n) 



W U 180- 



o a 



•r-l v_^ 



4.) 



O 

 (U 



o 90 



1 1 1 1 



0.0 0.2 0.4 0.6 0.8 

 Normalized Frequency (Fn =0.5 Hz) 

 CH 2-5 Date 6/4/65 Time 1418-1449 Stage 1 WD 282 WS 14 



FIGURE 6. DIRECTIONAL ESTIMATES FOR A PAIR OF ARRAY ELEMENTS 



1.0 



frequency is given below. It is based on Equation (4.16) in the 

 form 



-Q^(nsiN(aTifiV>.Xj))j] 



where M = [N(N-l) + 1] , C.^) = -j^ I^ C..^lf) 



and N = number of array elements. 



30 



