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BELL SYSTEM TECHNICAL JOURNAL 



_l 4 

 < 



O 2 



UJ 

 3 

 _l 

 ^ 1 



0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 



•^1 



Summarizing: 



Fig. 22. — Graph of the integral E (^o ^i). 



Case I, ^0 + ^1 > 1, ^0 — ^1 < 1 

 K 



Zo = 



V^i 



Zi = - [KE{4>) - EFm - Z,, 



Case II, ^0 + ^1 < 1, ^0 — ^1 > — 1 



Zo = 



2K 



V(i + hY - kl 



Zx = I [ir£(<^) - EFm - Zo 



^2 = ^2 (1 + ^I - i^o)Zo - 2^o)^iZ, - 2£ V(l + ^i)' - ^5 

 a/ 4^1 



= arc sin 



/' 





— ^0 + ^1 



(3.35) 



(3.36) 



