4 - 



2 - 



BWl 



r —r I 1 



/ 





/ 





/ 





/*- 



/ 





o / 





X • 



— 



/» 





/ • 





^•/ 





/• 





•/ • 



— 



/ 





/ 













o y'' 





^/ o ds/h : 1.0 





/ • dg/h = 8 





/ 





b 1 1 1 1 





0-5 



Qpt'Qpi / 



\/- 



- / o dj/h = 1.0 



/'' • dj/h = 8 



J I L 



12 3 4 5 6 I 



3 4 



Figure 22. Spectral peakedness of incident, reflected, and transmitted 

 wave spectra. 



Up -crossing 

 point 



MWL 



Figure 23. Zero up-crossing analysis, 



37 



