Calculation of Approximate Attenuation Function of Earth to Ground Wave

Keyword

Numerical Distance,Vertical Polarization,Horizontal Polarization,Attenuation Function of Earth,Ground Wave,Wavelength.

Reference

[1]:『電波伝搬ハンドブック』(細矢良雄).

Remarks

・Approximate Attenuation Function:F(ρ)=(2+0.3*ρ)/(2+ρ+0.6*ρ^2).Reference[1].
・Approximation of ρ(Vertical Polarization)=π*d/(60*λ^2*σ).Reference[1].
・Approximation of ρ(Horizontal Polarization)=60*π*d*σ.Reference[1].

History

・2014/07/31:Layout cahnge.
・2009/12/04:Upload.