DAUBIN ! 



STATISTICAL ANALYSIS OF SHIP GENERATED NOISE 



CQ 

 ■X3 



O 

 I — I 



I— 

 < 



Q 



< 

 I— 

 OO 1 



I 



6 7 



=10 



5 6 7 



9 

 1 



Figure 3. STANDARD DEVIATION OF A SUM OF 



£ RANDOM PHASES OF EQUAL AMPLITUDE 



848 



