public override BaseGnssResult BuildResult()
{
var result = new RangeOrbitResult(this.CurrentMaterial, Adjustment, (RangeOrbitParamNameBuilder)this.MatrixBuilder.GnssParamNameBuilder);
// result.PreviousResult = this.CurrentProduct;
result.BasePrn = this.CurrentBasePrn;
return(result);
}
public override BaseGnssResult Produce(MultiSiteEpochInfo material)
{
//采用导航星历计算卫星初始坐标
var ephService = GlobalNavEphemerisService.Instance;
RangeOrbitResult result = null;
RangeOrbitResult prevResult = null;
double timeDiffer = 1;
int loopCount = 0;
double loopThreshold = 100 / GnssConst.LIGHT_SPEED;
do
{
prevResult = result;
foreach (var site in material)
{
foreach (var sat in site)
{
if (prevResult == null)
{
var emissionTime = sat.RecevingTime - sat.GetTransitTime();
var eph = ephService.Get(sat.Prn, emissionTime);//不改正相对论、钟差等
sat.Ephemeris = eph;
}
else
{
var ephResult = prevResult.EphemerisResults.Get(sat.Prn);
sat.Ephemeris = ephResult.Corrected;
}
//卫星钟差改正，根据计算的卫星钟差改正距离
new Gnsser.Correction.SatClockBiasCorrector().Correct(sat);
}
//直接计算，不用改正
//EpochEphemerisSetter.ReviseEphemerisOnly(site);
}
double old = 0d;
if (prevResult != null)
{
old = prevResult.MaterialObj.BaseEpochInfo.Time.Correction;
}
result = (RangeOrbitResult)base.Produce(material);
if (prevResult != null)
{
timeDiffer = old - result.MaterialObj.BaseEpochInfo.Time.Correction;
int ii = 0;
}
if (loopCount > 6)
{
log.Error("迭代次数达到 " + loopCount + " 次，似乎不收敛！" + timeDiffer);
}
loopCount++;
} while (loopCount < 10 && (prevResult == null || Math.Abs(timeDiffer) > loopThreshold)); //|| prevResult.
return(result);
}
/// <summary>
/// 非差轨道确定
/// </summary>
/// <param name="Material">历元信息</param>
/// <param name="ResultMatrix">平差信息</param>
/// <param name="ParamNameBuilder">钟差估计器</param>
/// <param name="previousResult">上一历元结果</param>
public RangeOrbitResult(
MultiSiteEpochInfo Material,
AdjustResultMatrix ResultMatrix,
RangeOrbitParamNameBuilder ParamNameBuilder,
RangeOrbitResult previousResult = null)
: base(Material, ResultMatrix, ParamNameBuilder)
{
//测站接收机钟差改正
foreach (var site in Material)
{
var clkName = ParamNameBuilder.GetReceiverClockParamName(site.SiteName);
var val = ResultMatrix.Estimated.Get(clkName);
site.Time.Correction = GetTimeCorrectionSeconds(val.Value);
}
//提取星历参数，可以用于改正卫星位置，进行迭代计算
EphemerisResults = new BaseDictionary <SatelliteNumber, EphemerisResult>();
foreach (var site in Material)
{
foreach (var sat in site)
{
var prn = sat.Prn;
Ephemeris estimated = new Ephemeris(sat.Ephemeris.Prn, sat.Ephemeris.Time)
{
XyzDotRms = new XYZ()
};
var clkName = ParamNameBuilder.GetSatClockParamName(prn);
var val = ResultMatrix.Estimated.Get(clkName);
estimated.ClockBias = GetTimeCorrectionSeconds(val.Value);
estimated.ClockBiasRms = val.Rms / GnssConst.LIGHT_SPEED;
var names = ParamNameBuilder.GetSatDxyz(prn);
foreach (var item in names)
{
val = ResultMatrix.Estimated.Get(item);
if (item.Contains(Gnsser.ParamNames.Dx))
{
estimated.XYZ.X = val.Value;
estimated.XyzDotRms.X = val.Rms;
}
if (item.Contains(Gnsser.ParamNames.Dy))
{
estimated.XYZ.Y = val.Value;
estimated.XyzDotRms.Y = val.Rms;
}
if (item.Contains(Gnsser.ParamNames.Dz))
{
estimated.XYZ.Z = val.Value;
estimated.XyzDotRms.Z = val.Rms;
}
}
EphemerisResults[prn] = new EphemerisResult((Ephemeris)sat.Ephemeris, estimated);
}
}
}
