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Add InitialDC option for FFT

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This commit is contained in:
Vadim Kuznetsov 2025-02-27 15:14:41 +03:00
parent 9c59da8c99
commit f945d54f80
1 changed files with 9 additions and 2 deletions
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11
qucs/spicecomponents/sp_spectrum.cpp
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@ -36,7 +36,8 @@ SpiceFFT::SpiceFFT()
"[none,rectangular,bartlet,blackman,hanning,hamming,gaussian,flattop]"));
Props.append(new Property("Order","2",false,"Order of the Gaussian window"));
Props.append(new Property("Tstart","0",false,"Transient starting time"));
Props.append(new Property("initialDC", "yes", false,
QObject::tr("perform initial DC (set \"no\" to activate UIC)")+" [yes, no]"));
}
SpiceFFT::~SpiceFFT()
@ -73,7 +74,13 @@ QString SpiceFFT::spice_netlist(spicecompat::SpiceDialect dialect /* = spicecomp
double tstop = 1.0/df + tstart;
double tstep = 1.0/(2*bw);
QString win = getProperty("Window")->Value;
s = QStringLiteral("tran %1 %2 %3\n").arg(tstep).arg(tstop).arg(tstart);
s = QStringLiteral("tran %1 %2 %3").arg(tstep).arg(tstop).arg(tstart);
if (dialect != spicecompat::SPICEXyce) {
if (getProperty("initialDC")->Value == "no") {
s += " UIC";
}
}
s += "\n";
s += QStringLiteral("set specwindow=%1\n").arg(win);
if (win == "gaussian") {
s += QStringLiteral("set specwindoworder=%1\n")