Frequency-Direction Spectrum 



Date: 11 Oct 86 Time: 0102 



Hmo=^-09rn f.,„ = 0.113 Hz 



a. Perspective plot 



Contours in Tenths of Maximum S(f, 



90.0 60,0 30.0 0.0 -30.0 -60.0 -90.0 



^ North g (jeg) South ^ 



Angle from Normal to Array 



b. Contour plot 



Figure 7. Spectra from a well -developed sea 



52 



