Wave Height Distributions 



Averages from 20 Bimodal, Band — Limited, White Spectra 



Mode fc(Hz) Af/fc HTD(m) N 



1 . 050 . 20000 1 . 789 328 



2 0.250 0.04000 0.894 328 



HrrrB = 1.157 ± 0.013 Hrmq = 1.476 ± 0.023 e = 0.855972 



3778 waves sampled 



Rayleigh 



Modified Rayleigh 



3778 waves sampled 

 ± 1 S.D. 

 Rayleigh 

 Modified Rayleigh 



H/Hrrns 



Figure 15. Probability and exceedence curves from bimodal spectra with 

 large modal separation and small energy ratio 



51 



