Table I Modal frequencies for the two-parameter 

 wave spectra family (o) in rps, H in meters) 



to - value 



Weighting 

 factor 



0. 048(8. 75-£nH ) 0.0500 

 s 



0.054(8.44 -InE ) 0.0500 

 s 



0. 061(8. 07-£nH ) 0.0875 

 s 



0.069(7.77- -en H ) 0.1875 

 s 



0. 079(7. 63-£nH ) 0.2500 

 s 



0. 099(6, 87-£nH ) 0.1875 

 s 



0, 111(6. 67-£nHg) 0.0875 



0. 119(6. 65-£nH ) 0.0500 



0. 134(6. 41-£nH ) 0.0500 

 s 



/Most probable 

 \ extreme value 



Table 2 Values of six parameters as a function of 

 significant wave height (H in meters) 





",1 



"a 2 



"ml 



"m2 



*1 



*2 



Most Probable 

 Spectrun. 



0.84 H^ 



0.54 H^ 



0.70 



^-0.046 H 



1.15 



g-0.039 H^ 



3.00 



1.54 



^-0.062 H^ 





0.95 H^ 



0.31 H 



0.70 



^-0.046 H^ 



1.50 



-0.046 H 



1.35 



2.48 



^-0.102 H^ 





0.65 H^ 



0.76 H^ 



0.61 



^-0.039 H^ 



0.94 



^-0.036 H 



4.95 



2.48 



^-0.102 H^ 





0.84 H^ 



0.54 H 



0.93 



-0.056 H 



1.50 



^-0.046 H^ 



3.00 



2.77 



-0. 112 H 





0.84 H^ 



0.54 H^ 



0.41 



-0.016 H 



0.88 



^-0.026 H^ 



2.55 



1.82 



^-0,089 H^ 



0.95 Confidence 

 Spectra 



0.90 H 



0.44 H 



0.81 



^-0.052 H^ 



1.60 



^-0.033 H^ 



1.80 



2.95 



^-0.105 H^ 





0.77 H 



0.64 H 



0.54 



^-0.039 H^ 





0.61 



4.50 



1.95 



-0.082 H 





0.73 H^ 



0.68 H 



0.70 



g-0.046 H^ 



0.99 



g-0.039 H^ 



6.40 



1.78 



-0.069 H 





0.92 H^ 



0.39 H^ 



0.70 



-0.046 H 



1.37 



g-0.039 H^ 



0.70 



1.78 



^-0.069 H^ 





0.84 H^ 



0.54 H^ 



0.74 



^-0.052 H^ 



1.30 



-0.039 H 



2.65 



3.90 



^-0.085 H^ 





0.84 Hj 



0.54 H 



0.62 



-0.039 H 



1.03 



-0.030 H^ 



2.60 



0.53 



-0.069 H 



103 



