Plane earth model and MODIS landcover clutter

models/pel.cc

@@ -0,0 +1,29 @@
+/*****************************************************************************
+*  Plane Earth Path Loss model for Signal Server by Alex Farrant             *
+*  Taken from "Antennas and Propagation for wireless communication systems"  *
+*  ISBN 978-0-470-84879-1                                                    *
+*  10 August 2016							     *
+*  This program is free software; you can redistribute it and/or modify it   *
+*  under the terms of the GNU General Public License as published by the     *
+*  Free Software Foundation; either version 2 of the License or any later    *
+*  version.								     *
+*									     *
+*  This program is distributed in the hope that it will useful, but WITHOUT  *
+*  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or     *
+*  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License     *
+*  for more details.							     *
+*									     */
+
+#include <math.h>
+
+double PlaneEarthLoss(float d, float TxH, float RxH)
+{
+/*
+Plane Earth Loss model 
+Frequency: N/A
+Distance (km): Any
+*/
+	// Plane earth loss is independent of frequency.
+	double dbloss = 40*log10(d) + 20*log10(TxH) + 20*log10(RxH);
+	return dbloss;
+}