TABLES OF PHASE 



871 



0.1 0.15 0.2 0.3 0.4 0.6 0.8 I 1.5 2 3 



RATIO [j^] 



Fig. 1 — Semi-infinite unit'slope of attenuation. 



4 5 6 7 8 9 10 



50 



_) 40 



< 



lij 30 



< 



I 

 0. 20 



10 

 



--i-n 



^TT 



u 



0.2 0.4 0.6 0.8 1 0.8 0.6 0.4 0.2 



I. J. fo 



fo 



-^ 



^_.l 



RATIOS 

 Fig. 2 — Phase associated with semi-infinite unit slope of attenuation of Fig. 1. 



lattenuation of the same character as the semi-infinite unit slope of attenua- 

 jtion of Fig. 1 but of slope k, is k times the phase given in Fig. 2. 



