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Diffstat (limited to 'openEMS/matlab/physical_constants.m')
| -rw-r--r-- | openEMS/matlab/physical_constants.m | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/openEMS/matlab/physical_constants.m b/openEMS/matlab/physical_constants.m new file mode 100644 index 0000000..cbb333e --- /dev/null +++ b/openEMS/matlab/physical_constants.m @@ -0,0 +1,12 @@ +% +% physical constants +% + +% Bronstein 3rd ed., 1997, pp. 945-946 +C0 = 299792458; % m/s +c0 = C0; %constans in capital letters, c0 for legacy support +MUE0 = 4e-7*pi; % N/A^2 +EPS0 = 1/(MUE0*C0^2); % F/m + +% free space wave impedance +Z0 = sqrt(MUE0/EPS0); % Ohm |