27 lines
887 B
Python
27 lines
887 B
Python
# -*- coding: utf-8 -*-
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#
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# Copyright (C) 2015,20016 Thorsten Liebig (Thorsten.Liebig@gmx.de)
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published
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# by the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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import numpy as np
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C0 = 299792458 # m/s
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MUE0 = 4e-7*np.pi # N/A^2
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EPS0 = 1/(MUE0*C0**2) # F/m
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# free space wave impedance
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Z0 = np.sqrt(MUE0/EPS0) # Ohm
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