- Xlll - 



LIST OF SYMBOIS 



ABS absolute pressure (signal or transducer) 



a ,a ,b directional Fourier coefficients 

 o n n 



Bn ItDn /^n ^n 



c' normalized co-spectra 



D inner tubing diameter; distance between gauges 



dPn differential pressure along arm n 



F((5i9) complex directional amplitude spectrum 



FS full scale 



h water depth 



H wave height 



H]_ /t significant wave height 



J number of wave trains present in simulated record 



Jn Bessel function 



y^j)~ folding time of sensor response 



Kp pressure response function 



K^ current response function 



k^ wavenumber in the x direction 



ky wavenumber in the y direction 



1 length of tubing 



l"bf height of sensor above transducer 



N number of sample points analyzed; maximum number 

 of Fourier coefficient pairs 



P pressure 



Pa,tm atmospheric pressiire 



