DEFERRARI : FIXED-SYSTEM MEASUREMENTS OF THE TIME- VARYING MULTIPATH 

 AND DOPPLER SPREADING 



O , <n 



L 



K 



180° 





^ 



_ 



Figure 21, 



2min./frame 

 simulated 



MODEL SIMULATION OF PULSE EVOLUTION FOR 

 SLOWLY VARYING SOUND- SPEED GRADIENT 



492 



