FlatEarthCurveCorrection.cpp File Reference

Calculates the groundwave using the flat Earth approximation with curvature correction. More...

Functions
double	ITS::Propagation::LFMF::FlatEarthCurveCorrection (const std::complex< double > delta, const std::complex< double > q, const double h_1__km, const double h_2__km, const double d__km, const double k, const double a_e__km)
	Calculates the groundwave field strength using the flat Earth approximation with curvature correction.

Detailed Description

Calculates the groundwave using the flat Earth approximation with curvature correction.

Function Documentation

FlatEarthCurveCorrection()

double ITS::Propagation::LFMF::FlatEarthCurveCorrection	(	const std::complex< double >	delta,
		const std::complex< double >	q,
		const double	h_1__km,
		const double	h_2__km,
		const double	d__km,
		const double	k,
		const double	a_e__km )

Calculates the groundwave field strength using the flat Earth approximation with curvature correction.

References:

• NTIA Report 99-368 "Medium Frequency Propagation Prediction Techniques and Antenna Modeling for Intelligent Transportation Systems (ITS) Broadcast Applications", Nicholas DeMinco. Eq (31)
• J. Wait, "Radiation From a Vertical Antenna Over a Curved Stratified Ground", Journal of Research of the National Bureau of Standards Vol 56, No. 4, April 1956 Research Paper 2671

Parameters

[in]	delta	Surface impedance
[in]	q	Intermediate value -j*nu*delta
[in]	h_1__km	Height of the higher antenna, in km
[in]	h_2__km	Height of the lower antenna, in km
[in]	d__km	Path distance, in km
[in]	k	Wavenumber, in rad/km
[in]	a_e__km	Effective earth radius, in km

Returns

Normalized field strength in mV/m