Harvest Platform 

 1702 19 Jun 94 Gauges: 123456 



coherence phase (cleg) 



1-4 

 2-3 

 5-6 



1-2 

 4-3 



1-5 

 4-6 



0.04 0.08 0.12 



f (Hz) 



0.16 0.04 



0.08 0.12 



f(Hz) 



0.04 0.08 0.12 0.16 0.04 0.08 0.12 0.16 



0.04 0.08 0.12 0.16 0.04 0.0B 0.12 0.16 



Figure 4. Sample coherence and phase function comparisons 



The lowest order estimate is the maximum likelihood estimate described by 

 Davis and Regier (1977), which takes the form 



10 



Chapter 3 Primary Data Analysis 



