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77 lines
3.2 KiB
C++
77 lines
3.2 KiB
C++
/***************************************************************************
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* Copyright (C) gempa GmbH *
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* All rights reserved. *
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* Contact: gempa GmbH (seiscomp-dev@gempa.de) *
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* *
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* GNU Affero General Public License Usage *
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* This file may be used under the terms of the GNU Affero *
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* Public License version 3.0 as published by the Free Software Foundation *
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* and appearing in the file LICENSE included in the packaging of this *
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* file. Please review the following information to ensure the GNU Affero *
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* Public License version 3.0 requirements will be met: *
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* https://www.gnu.org/licenses/agpl-3.0.html. *
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* *
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* Other Usage *
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* Alternatively, this file may be used in accordance with the terms and *
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* conditions contained in a signed written agreement between you and *
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* gempa GmbH. *
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***************************************************************************/
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#ifndef SEISCOMP_MATH_RESTITUTION_FFT_H
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#define SEISCOMP_MATH_RESTITUTION_FFT_H
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#include <complex>
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#include <vector>
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#include <seiscomp/math/math.h>
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#include <seiscomp/math/restitution/types.h>
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#include <seiscomp/math/restitution/transferfunction.h>
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namespace Seiscomp {
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namespace Math {
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namespace Restitution {
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// Transforms a time series into the spectra, deconvolves it with the
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// transfer function and transforms the spectra back into the time series.
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// The spectra is tapered before min_freq and after max_freq. min_freq or
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// max_freq has to be greater than 0 otherwise the tapering on the
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// corresponding end is disabled.
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template <typename T>
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bool transformFFT(int n, T *inout, double fsamp, const FFT::TransferFunction *tf,
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double cutoff, double min_freq, double max_freq);
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template <typename T>
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bool transformFFT(std::vector<T> &inout, double fsamp, const FFT::TransferFunction *tf,
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double cutoff, double min_freq, double max_freq) {
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return transformFFT(inout.size(), &inout[0], fsamp, tf, cutoff, min_freq, max_freq);
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}
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template <typename T>
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bool transformFFT(int n, T *inout, double fsamp, int n_poles, SeismometerResponse::Pole *poles,
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int n_zeros, SeismometerResponse::Zero *zeros, double norm,
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double cutoff, double min_freq, double max_freq) {
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FFT::PolesAndZeros paz(n_poles, poles, n_zeros, zeros, norm);
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return transformFFT(n, inout, fsamp, &paz, cutoff, min_freq, max_freq);
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}
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template <typename T>
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bool transformFFT(std::vector<T> &inout, double fsamp, const Poles &poles,
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const Zeros &zeros, double norm, double cutoff,
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double min_freq, double max_freq) {
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return transformFFT(inout.size(), &inout[0], poles.size(), &poles[0],
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zeros.size(), &zeros[0], norm, cutoff, min_freq, max_freq);
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}
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}
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}
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}
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#endif
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