- 







./ 



LEGEND 

 • HISTORICAL DATA 

 O EXPERIMENTAL DATA 

 — FOURIER FITTED CURVE 







/ 









J 





, y 



/ 





«/ 







/ 





v 





\ 





N 







X 





J 





/ 





/ 



UJ 



1- 



a 



Z 





UJ 





n 



^ 



< 



7 



(T 





o 





? 



\- 



-> 



O 



o 



s 





X 



1- 



0. 



< 



UJ 



III 





I 





1- 



CD 



II 



3 

 < 



o 





(n 





crt 



V 



UJ 



_I 



<d 



r) 



^ 



-> 



o 





T 



z 



1- 



-) 





-s 



in 





o 



>- 

 < 



UJ 



z 



a: 





3 





O 



(Id) Hid3a 



(do)3dniVd3dl/\l31 



61 



