HelpersHarmonoise.h

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/****************************************************************************/
// Eclipse SUMO, Simulation of Urban MObility; see https://eclipse.dev/sumo
// Copyright (C) 2001-2024 German Aerospace Center (DLR) and others.
// This program and the accompanying materials are made available under the
// terms of the Eclipse Public License 2.0 which is available at
// https://www.eclipse.org/legal/epl-2.0/
// This Source Code may also be made available under the following Secondary
// Licenses when the conditions for such availability set forth in the Eclipse
// Public License 2.0 are satisfied: GNU General Public License, version 2
// or later which is available at
// https://www.gnu.org/licenses/old-licenses/gpl-2.0-standalone.html
// SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-or-later
/****************************************************************************/
// Helper methods for Harmonoise-based noise emission computation
/****************************************************************************/
#pragma once
#include <config.h>
 
#include <vector>
#include <limits>
#include <cmath>
#include <utils/common/StdDefs.h>
#include <utils/common/SUMOVehicleClass.h>
 
 
// ===========================================================================
// class definitions
// ===========================================================================
class HelpersHarmonoise {
public:
    static double computeNoise(SUMOEmissionClass c, double v, double a);
 
 
    inline static double sum(double val) {
        return double(10. * log10(val));
    }
 
 
private:
 
    static double myR_A_C1_Parameter[27];
 
    static double myR_B_C1_Parameter[27];
 
    static double myR_A_C3_Parameter[27];
 
    static double myR_B_C3_Parameter[27];
 
    static double myT_A_C1_Parameter[27];
 
    static double myT_B_C1_Parameter[27];
 
    static double myT_A_C3_Parameter[27];
 
    static double myT_B_C3_Parameter[27];
 
    static const double myAOctaveBandCorrection[27];
 
    static const double mySurfaceCorrection[27];
};