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v2.23

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Bug fixes, multi-core support, Improved diffraction model
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Cloud-RF
2014-08-14 22:22:50 +01:00
parent 6d38e363e5
commit c7fc5903a7
4 changed files with 1428 additions and 215 deletions
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9
hata.cpp
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@@ -37,17 +37,18 @@ compromise for increased speed which adds a realistic diffraction effect.
double ked(double freq, double elev[], double rxh, double dkm){
double obh,obd,rxobaoi=0,d;
obh=0;
obd=0;
obh=0; // Obstacle height
obd=0; // Obstacle distance
dkm=dkm*1000; // KM to metres
// walk along path
for(int n=2;n<(dkm/elev[1]);n++){
d = (n-2)*elev[1]; // no of points * delta = km
//Find dip(s)
if(elev[n] > 0 && elev[n]<(obh+10)){
if(elev[n]<(obh+20)){
// Angle from Rx point to obstacle
rxobaoi = incidenceAngle((obh-(elev[n]+rxh)),d-obd);
@@ -65,7 +66,7 @@ dkm=dkm*1000; // KM to metres
}
if(rxobaoi >= 0){
return (rxobaoi * 3) / (300/freq); // Exaggerate diffraction angle and divide by wavelength (m)
return rxobaoi / (300/freq); // Diffraction angle divided by wavelength (m)
}else{
return 0;
}