276 
DBS (re | dyne) 
DBS (re | dyne) 
Lecture 14 
SHAPE EFFECT I7 IN. AFT 
50 H 0-() FLOW DIRECTION —> 
J +-< 
-20 
(eee ee eee ggg a ee EE 
oH] | iKe) 100 
FREQUENCY (kc) 
FIG. 14.14A 
SHAPE EFFECT 17 IN. AFT 
FO FLOW DIRECTION —> 
GO 
HYDROPHONES ARE I-IN. SQUARES 
O:l | 10 100 
FREQUENCY (kc) 
FIG. 14.148 
