iir • 2trK. * 



(7.3) 



Figure 4 illustrates a case for (|) >^ (and thus Lq 1 0) . From the 

 figure we have, where the true direction is B^ and true phase is 0, 

 that 



WHERE StN 06 = 



Oft 





(7.4) 



(^1' yj) 



(xi , Yi) 



FIGURE 4. WAVE DIRECTION ANALYSIS 



27 



