6-12 Distribution of spectral parameters ver- 

 sus azimuth for Carteret Canyon bathymetry 101 



6-13 TWo-dimensional amplitude spectrum from 



the Gorda Rise with model spectrum 104 



7-1 Results of ensembling spectral estimates 



from sixteen parallel profiles from a multi- 

 beam sonar sys tem 110 



7-2 Composite amplitude spectrum of bath3nnetry 



profiles of various scales 115 



B-1 Frequency response of band-pass filters 

 used to estimate the amplitude spectrum 

 discretely in the spatial domain 137 



B-2 Uniformly distributed random noise with 



corresponding amplitude spectrum 140 



B-3 Normally distributed random noise with 



corresponding amplitude spectrum 141 



B-4 Inverse TFT generated white noise with 



corresponding amplitude spectrum 142 



B-5 Province picker output with white-noise 



input 144 



B-6 Province picker output with mixed input 



of known signals 146 



B-7 Province output with input of digital 



bath3nnetry 148 



E-1 Graphic representation and spectral param- 

 eters versus azimuth for artificial surface 

 composed of two identical orthogonal trends 204 



E-2 Graphic representation and spectral param- 

 eters versus azimuth for artificial surface 

 composed of two orthogonal trends of differ- 

 ent spectral levels 206 



E-3 Graphic representation and spectral param- 



eters versus azimuth for artificial surface 



