/// <summary>
/// 三峰绕射损耗
/// </summary>
/// <param name="calcuPara"></param>
/// <returns></returns>
public override float TriplePeakLoss(MultiPeakCalcParam calcuParam)
{
float firstToThirdPeakDistance = calcuParam.DisThirdPeakToTx - calcuParam.DisFirstPeakToTx;
float secondToThirdPeakDistance = calcuParam.DisThirdPeakToTx - calcuParam.DisSecondPeakToTx;
MultiPeakCalcParam param = new MultiPeakCalcParam();
param.TxAbs = calcuParam.TxAbs;
param.FirstPeakAbs = calcuParam.FirstPeakAbs;
param.SecondPeakAbs = calcuParam.SecondPeakAbs;
param.RxAbs = calcuParam.ThirdPeakAbs;
param.DisFirstPeakToTx = calcuParam.DisFirstPeakToTx;
param.DisFirstPeakToRx = firstToThirdPeakDistance;
param.DisSecondPeakToTx = calcuParam.DisSecondPeakToTx;
param.DisSecondPeakToRx = secondToThirdPeakDistance;
param.WaveLen = calcuParam.WaveLen;
float doublePeakLoss = this.DoublePeakLoss(param);
float thirdPeakHeight = calcuParam.ThirdPeakAbs +
(((calcuParam.SecondPeakAbs - calcuParam.ThirdPeakAbs) * calcuParam.DisThirdPeakToTx) / secondToThirdPeakDistance);
MultiPeakCalcParam param2 = new MultiPeakCalcParam();
param2.TxAbs = thirdPeakHeight;
param2.FirstPeakAbs = calcuParam.ThirdPeakAbs;
param2.RxAbs = calcuParam.RxAbs;
param2.DisFirstPeakToTx = calcuParam.DisThirdPeakToTx;
param2.DisFirstPeakToRx = calcuParam.DisThirdPeakToRx;
param2.WaveLen = calcuParam.WaveLen;
return (doublePeakLoss + this.SinglePeakLoss(param2));
}
/// <summary>
/// 三峰损耗计算
/// </summary>
/// <param name="calcuPara"></param>
/// <returns></returns>
public override float TriplePeakLoss(MultiPeakCalcParam calcuPara)
{
float num = calcuPara.DisSecondPeakToTx - calcuPara.DisFirstPeakToTx;
float num2 = calcuPara.DisThirdPeakToTx - calcuPara.DisSecondPeakToTx;
float num3 = 0f;
MultiPeakCalcParam para = new MultiPeakCalcParam();
para.TxAbs = calcuPara.TxAbs;
para.FirstPeakAbs = calcuPara.FirstPeakAbs;
para.RxAbs = calcuPara.SecondPeakAbs;
para.DisFirstPeakToTx = calcuPara.DisFirstPeakToTx;
para.DisFirstPeakToRx = num;
para.WaveLen = calcuPara.WaveLen;
num3 = this.SinglePeakLoss(para);
MultiPeakCalcParam para2 = new MultiPeakCalcParam();
para2.TxAbs = calcuPara.FirstPeakAbs;
para2.FirstPeakAbs = calcuPara.SecondPeakAbs;
para2.RxAbs = calcuPara.ThirdPeakAbs;
para2.DisFirstPeakToTx = num;
para2.DisFirstPeakToRx = num2;
para2.WaveLen = calcuPara.WaveLen;
num3 += this.SinglePeakLoss(para2);
MultiPeakCalcParam para3 = new MultiPeakCalcParam();
para3.TxAbs = calcuPara.SecondPeakAbs;
para3.FirstPeakAbs = calcuPara.ThirdPeakAbs;
para3.RxAbs = calcuPara.RxAbs;
para3.DisFirstPeakToTx = num2;
para3.DisFirstPeakToRx = calcuPara.DisThirdPeakToRx;
para3.WaveLen = calcuPara.WaveLen;
return (num3 + this.SinglePeakLoss(para3));
}
/// <summary>
/// 单峰绕射损耗计算
/// </summary>
/// <param name="calcuPara"></param>
/// <returns></returns>
public virtual float SinglePeakLoss(MultiPeakCalcParam calcuPara)
{
//发射点到第一个山峰的水平距离+第一个山峰到接收点的水平距离=发射点到接收点的水平距离
float txToRxLevelDis = calcuPara.DisFirstPeakToTx + calcuPara.DisFirstPeakToRx;
//这个算是一个发射点到接收点的角度的tan值
float angleInTan = (calcuPara.RxAbs - calcuPara.TxAbs) / txToRxLevelDis;
//山峰高于收发天线连线顶点连线的高度
float fHyper = calcuPara.FirstPeakAbs - (calcuPara.TxAbs + (angleInTan * calcuPara.DisFirstPeakToTx));
//发射点到接收点的直线距离
double txToRxDis = Math.Sqrt((double) (((calcuPara.TxAbs - calcuPara.RxAbs) * (calcuPara.TxAbs - calcuPara.RxAbs)) + (txToRxLevelDis * txToRxLevelDis)));
//意义为：发射点为T，接收点为R，第一个山顶为P，链接发射点到接收点的直线与第一个山顶的交点为Q，这段距离即为线段TQ。
float txToQDis = (((float) txToRxDis) * calcuPara.DisFirstPeakToTx) / txToRxLevelDis;
float qToRxDis = ((float) txToRxDis) - txToQDis;
return this.EdgeDiff(calcuPara.WaveLen, fHyper, txToQDis, qToRxDis);
}
public AtlasDoublePeakLossFixture()
{
MPCP = new MultiPeakCalcParam();
ADL = new AtlasDiffractionLoss();
MPCP.DisFirstPeakToRx = 200f;
MPCP.DisFirstPeakToTx = 200f;
MPCP.DisSecondPeakToRx = 10f;
MPCP.DisSecondPeakToTx = 400f;
MPCP.DisThirdPeakToRx = 200f;
MPCP.DisThirdPeakToTx = 600f;
MPCP.FirstPeakAbs = 200f;
MPCP.RxAbs = 100f;
MPCP.SecondPeakAbs = 100f;
MPCP.ThirdPeakAbs = 150f;
MPCP.TxAbs = 50f;
// MPCP.TxToRxLineLen = 10000f;
MPCP.WaveLen = 0.2f;
}
public LSGTest()
{
MPCP = new MultiPeakCalcParam();
ADL = new AtlasDiffractionLoss();
BDL = new BullingtonDiffractionLoss();
MPCP.DisFirstPeakToRx = 200f;
MPCP.DisFirstPeakToTx = 200f;
MPCP.DisSecondPeakToRx = 10f;
MPCP.DisSecondPeakToTx = 400f;
MPCP.DisThirdPeakToRx = 200f;
MPCP.DisThirdPeakToTx = 600f;
MPCP.FirstPeakAbs = 200f;
MPCP.RxAbs = 100f;
MPCP.SecondPeakAbs = 100f;
MPCP.ThirdPeakAbs = 150f;
MPCP.TxAbs = 50f;
// MPCP.TxToRxLineLen = 10000f;
MPCP.WaveLen = 0.2f;
}
/// <summary>
/// 双峰绕射损耗
/// </summary>
/// <param name="calcuPara"></param>
/// <returns></returns>
public override float DoublePeakLoss(MultiPeakCalcParam calcPara)
{
float firstToSecondPeakDistance = calcPara.DisSecondPeakToTx - calcPara.DisFirstPeakToTx;
MultiPeakCalcParam param = new MultiPeakCalcParam();
param.TxAbs = calcPara.TxAbs;
param.FirstPeakAbs = calcPara.FirstPeakAbs;
param.RxAbs = calcPara.SecondPeakAbs;
param.DisFirstPeakToTx = calcPara.DisFirstPeakToTx;
param.DisFirstPeakToRx = firstToSecondPeakDistance;
param.WaveLen = calcPara.WaveLen;//？
float siglePeakLoss = this.SinglePeakLoss(param);
float secondPeakHeight = calcPara.SecondPeakAbs + (((calcPara.FirstPeakAbs - calcPara.SecondPeakAbs) * calcPara.DisSecondPeakToTx) / firstToSecondPeakDistance);
MultiPeakCalcParam param2 = new MultiPeakCalcParam();
param2.TxAbs = secondPeakHeight;
param2.FirstPeakAbs = calcPara.SecondPeakAbs;
param2.RxAbs = calcPara.RxAbs;
param2.DisFirstPeakToTx = calcPara.DisSecondPeakToTx;
param2.DisFirstPeakToRx = calcPara.DisSecondPeakToRx;
param2.WaveLen = calcPara.WaveLen;
return (siglePeakLoss + this.SinglePeakLoss(param2));
}
public abstract float TriplePeakLoss(MultiPeakCalcParam calcuPara);
public float GetTripleEdgeLoss(MultiPeakCalcParam calcuPara)
{
return this.JudgeFres(calcuPara, 3);
}
/// <summary>
/// 计算三峰损耗
/// </summary>
/// <param name="calcuPara"></param>
/// <param name="altitudes"></param>
/// <param name="peaks"></param>
/// <param name="TxToRxLen"></param>
/// <returns></returns>
private short CalculateThreePeak(MultiPeakCalcParam calcuPara, short[] altitudes, int[] peaks, float TxToRxLen)
{
calcuPara.FirstPeakAbs = altitudes[peaks[0]];
calcuPara.SecondPeakAbs = altitudes[peaks[1]];
calcuPara.DisSecondPeakToTx = this.m_DifLossCalcPara.CalcResolution * peaks[1];
calcuPara.DisSecondPeakToRx = TxToRxLen - calcuPara.DisSecondPeakToTx;
calcuPara.ThirdPeakAbs = altitudes[peaks[2]];
calcuPara.DisThirdPeakToTx = this.m_DifLossCalcPara.CalcResolution * peaks[2];
calcuPara.DisThirdPeakToRx = TxToRxLen - calcuPara.DisThirdPeakToTx;
return (short)this.GetTripleEdgeLoss(calcuPara);
}
/// <summary>
/// 根据绕射点的个数 计算单峰、双峰、三峰损耗值
/// ps：这代码就是个垃圾……by cc
/// </summary>
/// <param name="calcuPara"></param>
/// <param name="InFresPeakNum"></param>
/// <returns></returns>
private float JudgeFres(MultiPeakCalcParam calcuPara, int InFresPeakNum)
{
float loss = 0f;
if (InFresPeakNum == 0)
{
return 0f;
}
if (InFresPeakNum == 1)
{
loss = this.m_CalcDifLossMethod.SinglePeakLoss(calcuPara);
}
if (InFresPeakNum == 2)
{
loss = this.m_CalcDifLossMethod.DoublePeakLoss(calcuPara);
}
if (InFresPeakNum == 3)
{
loss = this.m_CalcDifLossMethod.TriplePeakLoss(calcuPara);
}
return loss;
}
/// <summary>
/// 计算单峰损耗
/// </summary>
/// <param name="calcuPara"></param>
/// <returns></returns>
public float GetEdgeLoss(MultiPeakCalcParam calcuPara)
{
return this.m_CalcDifLossMethod.SinglePeakLoss(calcuPara);
}
/// <summary>
/// 计算绕射损耗
/// </summary>
/// <param name="altitudes"></param>
/// <param name="peaks"></param>
/// <param name="txAbs"></param>
/// <param name="rxAbs"></param>
/// <param name="TxToRxLen"></param>
/// <param name="TxToRxLineLen"></param>
/// <returns></returns>
private short EdgeLossSelect(short[] altitudes, int[] peaks, float txAbs, float rxAbs, float TxToRxLen, float TxToRxLineLen)
{
MultiPeakCalcParam calcuParam = new MultiPeakCalcParam();
short edgeLoss = 0;
calcuParam.WaveLen = 300f / this.m_DifLossCalcPara.Frequency;
calcuParam.TxToRxLineLen = TxToRxLineLen;
calcuParam.TxAbs = txAbs;
calcuParam.RxAbs = rxAbs;
if (peaks.Length != 0)
{
calcuParam.DisFirstPeakToTx = peaks[0] * this.m_DifLossCalcPara.CalcResolution;
calcuParam.DisFirstPeakToRx = TxToRxLen - calcuParam.DisFirstPeakToTx;
}
if (peaks.Length == 0)
{
edgeLoss = 0;
}
else if (peaks.Length == 1)
{
calcuParam.FirstPeakAbs = altitudes[peaks[0]];
edgeLoss = (short)this.GetEdgeLoss(calcuParam);
}
else if (peaks.Length == 2)
{
edgeLoss = this.CalculateTwoPeak(calcuParam, altitudes, peaks, TxToRxLen);
}
else
{
edgeLoss = this.CalculateThreePeak(calcuParam, altitudes, peaks, TxToRxLen);
}
if (edgeLoss < 0)
{
edgeLoss = 0;
}
return edgeLoss;
}