GAP 

 B=2.50L 



I K'=l.2 



I DIRECTION OF , 



* ra INCIDENT WAVE 



K'= 1.0 



K'=0.8 



K =0.6 



( Johnson, 1952) 



Figure 2-49. Contours of Equal Diffraction Coefficient 

 Gap Width =2.50 Wave Lengths (B/L = 2.50) 



DIRECTION OF 

 INCIDENT WAV^ 



,_ Diffrocted Wove Height 

 Incident Wave Height 



( Johnson, 1952) 



Figure 2-50. Contours of Equal Diffraction Coefficient 

 Gap Width =2.95 Wave Lengths (B/L = 2.95) 



2-103 



