Figure 4. Schematic diagram of an observed ampi itude 



2 2 1/2 



dislribution (A + B ) from observations made with 



moving thermistors. 



The process is recorded as 



F (z, t) 



M IV 



1 1 



m = n = 1 



277 



(38) 



and as long as all r^ ^ are different, 



A (a ', z) 



A 2^g 2 W(2)for(y = 



n , m n, m \ n 



elsewhere 



277 



(39) 



f&j ', e) 



arctan 



for 



(40) 



not defined elsewhere 



18 



