public QueryResult ExecuteAntennaQuery(AntennaQuery query)
{
var queryResult = new QueryResult();
queryResult.HasResult = false;
var results = _antennas.Values.Select(antenna => antenna.Match(query)).Where(x => x.IsMatch).OrderByDescending(x => x.IsMarginMatch).ToList();
if (results.Count > 0)
{
queryResult.HasResult = true;
queryResult.BestMatch = results.First();
queryResult.OtherMatches = results.Skip(1).ToList();
}
return(queryResult);
}
public MatchResult Match(AntennaQuery query)
{
var result = new MatchResult(this);
result.Dimensions = GetClosestDimensionMap(DimensionMaps, query.BandRanges[0].F0_Normalized);
var freqValueMap = GetClosestFreqValueMap(VSWRMaps, query.BandRanges[0].F0_Normalized);
if (freqValueMap == null)
{
freqValueMap = GetClosestFreqValueMap(FreqGainMaps, query.BandRanges[0].F0_Normalized);
}
var f0_lib = freqValueMap.F0_Normalized;
var f0_input = query.BandRanges[0].F0_Normalized;
result.Scale = f0_input == 0 ? 0 : f0_lib / f0_input;
foreach (var querybandRange in query.BandRanges)
{
var vswrMap = GetClosestFreqValueMap(VSWRMaps, querybandRange.F0_Normalized);
var freqGainMap = GetClosestFreqValueMap(FreqGainMaps, querybandRange.F0_Normalized);
// BandWidth
if (vswrMap != null)
{
if (vswrMap.BandWidth < querybandRange.BandWidth)
{
return(result);
}
}
else if (freqGainMap != null)
{
if (freqGainMap.BandWidth < querybandRange.BandWidth)
{
return(result);
}
}
var thetaGainMap = GetClosesThetaValueMap(ThetaGainMaps, querybandRange.F0_Normalized);
// Gain
if (query.Gain != null)
{
if (freqGainMap != null)
{
if (freqGainMap.GetValueByFreq(querybandRange.F0_Normalized) < query.Gain.Value)
{
return(result);
}
// Marginal gain
if (freqGainMap.GetValueByFreq(querybandRange.LowerBound.NormalizedFreq) < query.Gain.Value || freqGainMap.GetValueByFreq(querybandRange.UpperBound.NormalizedFreq) < query.Gain.Value)
{
result.IsMarginMatch = false;
return(result);
}
}
else if (thetaGainMap != null && thetaGainMap.MaxValue < query.Gain.Value)
{
return(result);
}
}
// 3dB Width
if (query._3dBWidth != null && thetaGainMap != null && (double)Math.Abs(thetaGainMap._3dBWidth - query._3dBWidth.Value) / (double)query._3dBWidth > 0.05)
{
return(result);
}
// VSWR
if (query.VSWR != null && vswrMap != null && vswrMap.GetValueByFreq(querybandRange.F0_Normalized) > query.VSWR.Value * 1.1)
{
return(result);
}
if (query.AxialRatio != null)
{
var arMap = GetClosestFreqValueMap(AxialRatioMaps, querybandRange.F0_Normalized);
if (arMap != null)
{
if (arMap.GetValueByFreq(querybandRange.F0_Normalized) < query.AxialRatio.Value)
{
return(result);
}
// Marginal gain
if (arMap.GetValueByFreq(querybandRange.LowerBound.NormalizedFreq) < query.AxialRatio.Value || arMap.GetValueByFreq(querybandRange.UpperBound.NormalizedFreq) < query.AxialRatio.Value)
{
result.IsMarginMatch = false;
return(result);
}
}
}
// Cross Polarization
var crossPolarizationMap = GetClosesThetaValueMap(CrossPolarizationMaps, querybandRange.F0_Normalized);
if (query.CrossPolarization != null && crossPolarizationMap != null && crossPolarizationMap.MaxValue < query.CrossPolarization.Value)
{
return(result);
}
}
// Polarization
if (query.Polarizations != null)
{
foreach (var polarization in query.Polarizations)
{
if (!Tags.Contains(polarization, StringComparer.InvariantCultureIgnoreCase))
{
return(result);
}
}
}
if (query.Efficiency != null && Efficiency != null && Efficiency < query.Efficiency)
{
return(result);
}
// TODO: Axial Ratio
result.IsMatch = true;
return(result);
}
