99 lines
3.2 KiB
C++
99 lines
3.2 KiB
C++
/*
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* Copyright (C) 2010 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 by
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* 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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#ifndef EXCITATION_H
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#define EXCITATION_H
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#include <vector>
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#include <string>
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#include "tools/constants.h"
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class TiXmlElement;
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class Excitation
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{
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public:
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Excitation( double timestep );
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virtual ~Excitation();
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virtual void Reset( double timestep );
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bool setupExcitation( TiXmlElement* Excite, unsigned int maxTS );
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//! Get the excitation timestep with the (first) max amplitude
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virtual unsigned int GetMaxExcitationTimestep() const;
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void setupVoltageExcitation( vector<unsigned int> const volt_vIndex[3], vector<FDTD_FLOAT> const& volt_vExcit,
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vector<unsigned int> const& volt_vDelay, vector<unsigned int> const& volt_vDir );
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void setupCurrentExcitation( vector<unsigned int> const curr_vIndex[3], vector<FDTD_FLOAT> const& curr_vExcit,
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vector<unsigned int> const& curr_vDelay, vector<unsigned int> const& curr_vDir );
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void SetNyquistNum(unsigned int nyquist) {m_nyquistTS=nyquist;}
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unsigned int GetNyquistNum() const {return m_nyquistTS;}
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//! Dump voltage excitation signal to ASCII file
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void DumpVoltageExcite(string filename);
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//! Dump current excitation signal to ASCII file
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void DumpCurrentExcite(string filename);
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//! Get the used timestep
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double GetTimestep() const {return dT;}
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//! Get the type of excitation
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int GetExciteType() const {return m_Excit_Type;}
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//Excitation time-signal
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unsigned int Length;
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FDTD_FLOAT* Signal_volt;
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FDTD_FLOAT* Signal_curr;
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//E-Field/voltage Excitation
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unsigned int Volt_Count;
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unsigned int Volt_Count_Dir[3];
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unsigned int* Volt_index[3];
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unsigned short* Volt_dir;
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FDTD_FLOAT* Volt_amp; //represented as edge-voltages!!
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unsigned int* Volt_delay;
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//H-Field/current Excitation
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unsigned int Curr_Count;
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unsigned int Curr_Count_Dir[3];
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unsigned int* Curr_index[3];
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unsigned short* Curr_dir;
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FDTD_FLOAT* Curr_amp; //represented as edge-currents!!
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unsigned int* Curr_delay;
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protected:
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double dT;
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unsigned int m_nyquistTS;
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int m_Excit_Type;
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//! Calculate a custom signal
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virtual void CalcCustomExcitation(double f0, int nTS, string signal);
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//! Calculate an excitation with center of \a f0 and the half bandwidth \a fc
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virtual void CalcGaussianPulsExcitation(double f0, double fc, int nTS);
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//! Calculate a sinusoidal excitation with frequency \a f0 and a duration of \a nTS number of timesteps
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virtual void CalcSinusExcitation(double f0, int nTS);
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//! Calculate a dirac impuls excitation
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virtual void CalcDiracPulsExcitation();
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//! Calculate a step excitation
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virtual void CalcStepExcitation();
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};
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#endif // EXCITATION_H
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