openEMS/matlab/physical_constants.m

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Matlab
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2010-03-30 11:14:00 +00:00
%
% physical constants
%
% Bronstein 3rd ed., 1997, pp. 945-946
C0 = 299792458; % m/s
c0 = C0; %constans in capital letters, c0 for legacy support
2010-03-30 11:14:00 +00:00
MUE0 = 4e-7*pi; % N/A^2
EPS0 = 1/(MUE0*C0^2); % F/m
% free space wave impedance
Z0 = sqrt(MUE0/EPS0); % Ohm