| Date 06/09/2010 |
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| Script S5_2_18.m | |||
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%==============================================
%Fresnel zones 2 %============================================== % %wavelength in mm lambda=5e-04; %height H1 and H2 in mm H1=2; H2=10; %distances a and b in mm b=500; a=700; %a parameter G G=(a+b)/(a*b); %number N of zones m1=round(((H1^2)*G)/lambda) mN=round(((H2^2)*G)/lambda) N=mN-m1 %the N heights h are evaluated m=1:N; num=m*lambda; h=sqrt(num/G); %and the corresponding values of t for i=1:N-1 t(i)=h(i+1)-h(i); end t; %only the first ten values of h, alias h_parz, are considered %and the corresponding nine values of t, alias t_parz %both arrays are in mm % h_parz=h(1:10) t_parz=t(1:9) %============================================== % |
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