PI DIRECTION OF , 

 ', INCIDENT WOVF 



( Johnson, 1952) 



Figure 2-47. Contours of Equal Diffraction Coefficient 

 Gap Width =1.78 Wave Lengths (B/L = 1.78) 



,_ Diffrocted Wove Height 

 Incident Wave Height 



(Johnson, 1952) 



Figure 2-48. 



Contours of Equal Diffraction Coefficient 

 Gap Width = 2 Wave Lengths (B/L = 2) 



2-102 



