An Infinite Periodic Train of Wave Groups. 
For Equation(6.3) 7,(0,t) = 9,(0,t+7) (6.7) 
Net O!) = o2(t-nz 
70,1) = yy Ae "sin 2 (t- nt)) = “Dy onsin2% amet (6.8) 
n=-@ 
n=+o0 —o2(t—n 
Ae oe in 27 (t- —nt)sin oe Stn sin 2am sj —— (6.9) 
nN=-o =| 
z O m#p 
2 
[insintetian tater. { (6.10) 
Tt aE) = 
5 am Q m=p 
N= +o -g2(t-—nt) = o2t 
[s Ae sn@zir-nepin gmt ar [ae sin sin ema 
N=—o oe 
oo 
a Phe SO her, sf 
ng(0,1) ny le sec? vos cee Tact oamt io 
nfo FAL grt Tact ox , 2nmt y 
Oh, fects _2emty ie 
Plate XV 
-107= 
