Appendix B 

 Notation 



d Water depth 



/ Cyclic frequency 



f n Cyclic frequency of n* component wave 



/ Spectral peak frequency 



f N High-frequency boundary for a discrete spectrum 



/J Low-frequency boundary for a discrete spectrum 



H^ Spectrum-based characteristic wave height 



l(f,6) Direction integral of directional distribution function 



IMLE Iterative Maximum Likelihood Estimation 



m Index integer 



M Upper limit of indices denoted m 



MLE Maximum Likelihood Estimation 



n Index integer 



N Upper limit of indices denoted n 



S Spectral density 



S(f) Frequency spectral density 



S(f n ) Frequency spectral density at n A discrete frequency 



Appendix B Notation 



B1 



