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97 lines
4.3 KiB
C++
97 lines
4.3 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2021, 2023 Jon Beniston, M7RCE <jon@beniston.com> //
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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 as 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 V3 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 INCLUDE_ASTRONOMY_H
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#define INCLUDE_ASTRONOMY_H
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#include "export.h"
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#include <QDateTime>
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// Right ascension and declination
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struct SDRBASE_API RADec {
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double ra;
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double dec;
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};
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// Azimuth and Altitude
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struct SDRBASE_API AzAlt {
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double az;
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double alt;
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};
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class SDRBASE_API Astronomy {
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public:
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static double julianDate(int year, int month, int day, int hours, int minutes, int seconds);
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static double julianDate(QDateTime dt);
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static double modifiedJulianDate(QDateTime dt);
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static QDateTime julianDateToDateTime(double jd);
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static double jd_j2000(void);
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static double jd_b1950(void);
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static double jd_now(void);
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static RADec precess(RADec rd_in, double jd_from, double jd_to);
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static AzAlt raDecToAzAlt(RADec rd, double latitude, double longitude, QDateTime dt, bool j2000=true);
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static RADec azAltToRaDec(AzAlt aa, double latitude, double longitude, QDateTime dt);
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static void azAltToXY85(AzAlt aa, double& x, double& y);
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static void azAltToXY30(AzAlt aa, double& x, double& y);
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static AzAlt xy85ToAzAlt(double x, double y);
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static AzAlt xy30ToAzAlt(double x, double y);
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static double localSiderealTime(QDateTime dateTime, double longitude);
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static void sunPosition(AzAlt& aa, RADec& rd, double latitude, double longitude, QDateTime dt);
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static double moonDays(QDateTime dt);
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static void moonPosition(AzAlt& aa, RADec& rd, double latitude, double longitude, QDateTime dt);
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static double refractionSaemundsson(double alt, double pressure, double temperature);
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static double refractionPAL(double alt, double pressure, double temperature, double humidity, double frequency, double latitude, double heightAboveSeaLevel, double temperatureLapseRate);
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static double lstAndRAToLongitude(double lst, double raHours);
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static void equatorialToGalactic(double ra, double dec, double& l, double& b);
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static void northGalacticPoleJ2000(double& ra, double& dec);
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static void galacticToEquatorial(double l, double b, double& ra, double& dec);
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static double dopplerToVelocity(double f, double f0);
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static double velocityToDoppler(double v, double f0);
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static double earthRotationVelocity(RADec rd, double latitude, double longitude, QDateTime dt);
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static double earthOrbitVelocityBCRS(RADec rd, QDateTime dt);
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static double sunVelocityLSRK(RADec rd);
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static double observerVelocityLSRK(RADec rd, double latitude, double longitude, QDateTime dt);
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static void sunrise(QDate date, double latitude, double longitude, QDateTime& rise, QDateTime& set);
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static double noisePowerdBm(double temp, double bw);
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static double noiseTemp(double dBm, double bw);
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static double modulo(double a, double b);
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static const double m_boltzmann;
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static const double m_hydrogenLineFrequency;
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static const double m_hydroxylLineFrequency;
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static const double m_deuteriumLineFrequency;
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static const double m_speedOfLight;
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static const double m_hydrogenMass;
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};
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#endif // INCLUDE_ASTRONOMY_H
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