- 15 - 



and excellent agreement readily seen. 



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SIMULATION 





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H=4 



ft J 224 deQ 





00 



7 COEF.-...^^^ / \ 







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5 CDEF.^^ / \ 







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60 120 180 240 



300 3€ 





DIRECTION (deg J 





FIGURE IV-12: Non-weighted directional spectra using the 

 first seven directional Fourier coefficients compared to 

 the first five. Single simulated wave of spectral 

 frequency. 



