LABIANCA/HARPER: A THEORETICAL APPROACH TO THE PREDICTION OF SIGNAL 

 FLUCTUATIONS DUE TO ROUGH-SURFACE SCATTERING 



- Acousric £.Pi:cTe?uM 



100 H; 

 I9I7-I9?7 



- SURFACE V/.'A'C 

 SPECTIIUM 



1918 02 -I9?6 28 



I I J I l-_l-_li _L_ 



10 -08 -06 -04 -02 00 02 04 06 08 10 -10 -08 -06 -04 -0 2 00 02 04 06 08 10 



CO 



T3 



llJ 

 > 



UJ 



Z3 



1- 

 O 

 UJ 

 CL 



-ACOUSTIC SPECTRUM 



250 H2 



I93I-I94I 

 - SURFACE V/AVE 

 SPECTRUM 



1931 00-1933 30 



1937 24-1939 54 ,. 



li 



^.Slil 



-10 -0-8 -06 -04 -02 02 04 06 08 10 



— ..CO(->SIIC r.PFCTIcUM 



250H2 



2135-2146 

 --SURFACE WAVE 

 SPECTRUM 



2I35II-2I4I 00 



-10 -Q8 -06 -04 -0 2 00 2 04 06 08 10 



-ACOUSTIC SPECTRUM 



500 H 2 



1944-1954 

 - SURFACE WAVE 

 SPECTRUM 



1944 24-1945 54 



1951 30-1904 00 



-08 -06 



-ACOUSTIC SPECTRUM 



500 H2 



2147-2157 

 -SURFACE WAVE 

 SPECTRUM 



2147 00-2152 68 



FREQUENCY (Hz) 



06 08 10 



Figure 36. EXPERIflENTAL POWER SPECTRU-M SHOWING 

 CARRIER AND SIDEBANDS FOR A RANDOM 

 OCEAN SURFACE 



629 



