mirror of
https://github.com/ra3xdh/qucs_s
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92 lines
3.2 KiB
C++
92 lines
3.2 KiB
C++
/***************************************************************************
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sp_fourier.cpp
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------------
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begin : Sun May 17 2015
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copyright : (C) 2015 by Vadim Kuznetsov
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email : ra3xdh@gmail.com
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***************************************************************************/
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/***************************************************************************
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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 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#include "sp_spectrum.h"
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#include "misc.h"
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#include "extsimkernels/spicecompat.h"
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SpiceFFT::SpiceFFT()
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{
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isSimulation = true;
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Description = QObject::tr("Spectrum analysis");
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Simulator = spicecompat::simNgspice | spicecompat::simSpiceOpus;
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initSymbol(Description);
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Model = ".FFT";
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Name = "FFT";
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SpiceModel = ".FFT";
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// The index of the first 4 properties must not changed. Used in recreate().
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Props.append(new Property("BW","1MHz",true,"Bandwidth"));
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Props.append(new Property("dF","10kHz",true,"Frequency step"));
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Props.append(new Property("Window","hanning", true, "Window type "
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"[none,rectangular,bartlet,blackman,hanning,hamming,gaussian,flattop]"));
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Props.append(new Property("Order","2",false,"Order of the Gaussian window"));
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Props.append(new Property("Tstart","0",false,"Transient starting time"));
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Props.append(new Property("initialDC", "yes", false,
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QObject::tr("perform initial DC (set \"no\" to activate UIC)")+" [yes, no]"));
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}
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SpiceFFT::~SpiceFFT()
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{
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}
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Component* SpiceFFT::newOne()
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{
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return new SpiceFFT();
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}
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Element* SpiceFFT::info(QString& Name, char* &BitmapFile, bool getNewOne)
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{
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Name = QObject::tr("Spectrum analysis");
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BitmapFile = (char *) "sp_fft";
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if(getNewOne) return new SpiceFFT();
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return 0;
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}
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QString SpiceFFT::spice_netlist(spicecompat::SpiceDialect dialect /* = spicecompat::SPICEDefault */)
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{
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Q_UNUSED(dialect);
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QString s;
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QString unit;
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double num,fac;
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misc::str2num(getProperty("BW")->Value,num,unit,fac);
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double bw = num*fac;
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misc::str2num(getProperty("dF")->Value,num,unit,fac);
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double df = num*fac;
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misc::str2num(getProperty("Tstart")->Value,num,unit,fac);
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double tstart = num*fac;
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double tstop = 1.0/df + tstart;
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double tstep = 1.0/(2*bw);
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QString win = getProperty("Window")->Value;
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s = QStringLiteral("tran %1 %2 %3").arg(tstep).arg(tstop).arg(tstart);
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if (dialect != spicecompat::SPICEXyce) {
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if (getProperty("initialDC")->Value == "no") {
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s += " UIC";
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}
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}
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s += "\n";
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s += QStringLiteral("set specwindow=%1\n").arg(win);
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if (win == "gaussian") {
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s += QStringLiteral("set specwindoworder=%1\n")
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.arg(getProperty("Order")->Value);
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}
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return s;
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}
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