88 



S. D. Shushakov 



For angles of incidence arc sin {ajb^) < a < 7r/2 the quantity W is 

 expressed by the foregoing formula, in which we must replace E^ by 



^3-= 



B l^\ ^^i+A{D^- 45C sin2 oc) 



\h I Q% 



g /_^ \ * ^ i _ J (i)2 _ 45C sin2 cj) 



\ ^2 / Q2 



h, Vpi /J, Water 

 M V 



■*"~D '~*~~~~~rr"~*T5*~~^p""~~p*'^'p P +P p ~+'-_P •___JTJT^^^"~-^^-— 



rilllll _ 121 niiai^nzill n^2M IIIII2M2I1I1I nilllll2l "21111111-- , , 



10 



20 



40 



50 



30 



X, cm 



Fig. 8. Graphs of intensities of single and multiple waves as function of distance from 



source. 

 Water: ;i=10cm, i;p=1450cm/sec2, ^=1.0; glass: 5=2.47, i;p=5490cm/sec2, 



i;5=2700cm/sec2. 



t, - sec 



60 



lOO 

 Fig, 



9. Theoretical seismograms calculated for smaU differences in wave resistances 

 of media separating the reflecting plane. 

 5=1.0, aj=1450m/sec, //=10cm; ^2=1.46, O2=1710n/sec, B2=380m/sec. 



