public static void Example()
{
double[] alpha = new double[]
{ 0.1397E-07, -0.7451E-08, -0.5960E-07, 0.1192E-06 };
double[] beta = new double[]
{ 0.1270E+06, -0.1966E+06, 0.6554E+05, 0.2621E+06 };
var model = new IonoModel(alpha, beta);
Console.WriteLine(model.ToString());
var wgs84 = new WGS84Ellipsoid();
var rx = new Position(31, 114, 30, CoordinateSystem.Geodetic, wgs84);
Console.WriteLine("Position(XYZ):{0}", rx.ToString(CoordinateSystem.Cartesian));
Console.WriteLine("Position(BLH):{0}", rx.ToString(CoordinateSystem.Geodetic));
var time = new Time(2014, 1, 17, 0, 0, 1.1);
for (int i = 0; i < 4; i++)
{
for (int j = 0; j < 2; j++)
{
for (int k = 0; k < 2; k++)
{
time.AddHours(i * 6);
double svel = 15 + j * 40;
double svaz = 180 * k;
double c1 = model.GetCorrectionL1(time, rx, svel, svaz);
double c2 = model.GetCorrectionL2(time, rx, svel, svaz);
Console.WriteLine("Time:{0}; EL:{1}; AZ:{2}; L1:{3}; L2:{4}",
time.ToHmsString(), svel, svaz, c1, c2);
}
}
}
}
public string Compute()
{
double[] alpha = new double[]
{ 0.1397E-07, -0.7451E-08, -0.5960E-07, 0.1192E-06 };
double[] beta = new double[]
{ 0.1270E+06, -0.1966E+06, 0.6554E+05, 0.2621E+06 };
var model = new IonoModel(alpha, beta);
string line = model.ToString() + "\r\n";
var wgs84 = new WGS84Ellipsoid();
var rx = new Position(-2225669.7744, 4998936.1598, 3265908.9678, CoordinateSystem.Cartesian, wgs84);
line += string.Format("Position(XYZ):{0}", rx.ToString(CoordinateSystem.Cartesian)) + "\r\n";
line += string.Format("Position(BLH):{0}", rx.ToString(CoordinateSystem.Geodetic)) + "\r\n";
var time = data.Time;
line += string.Format("SV EL(°) AZ(°) L1（m） L2（m） \r\n");
foreach (var d in data.Data)
{
var sv = new Position(d.X, d.Y, d.Z, CoordinateSystem.Cartesian, wgs84);
double svel = rx.Elevation(sv);
double svaz = rx.Azimuth(sv);
double c1 = model.GetCorrectionL1(time, rx, svel, svaz);
double c2 = model.GetCorrectionL2(time, rx, svel, svaz);
if (svel < 0)
{
c1 = 0;
c2 = 0;
}
line += string.Format("{0} {1,10:f3} {2,10:f3} {3,8:f4} {4,8:f4}",
d.Id, svel, svaz, c1, c2) + "\r\n";
}
return(line);
}