30 
25 
20 
C (4) 
oa 
@ = 1/100 O@ = 1/100 
A _ (a 2T/T)* 
= 4G2 
C(u)= Sao e Cc 
G@ =1/50 G@ = 1/50 
Ge 1/30 = 1/30 
I. = 1/20 i, Ge: 1/20 
AK AR 
0.6 0.7 0.8 
T=10 sec. an mae 
1.4 1.6 
AL 
Fig |. GRAPHS OF THE CONTINUOUS SPECTRA OF FINITE WAVE GROUPS 
FOR VARIOUS VALUES OF © AND T. 
a3 
