Title :
A note concerning the evaluation of the Sommerfeld integral
Author_Institution :
Hydrotronics, Inc., McLean, VA, USA
fDate :
3/1/1979 12:00:00 AM
Abstract :
Van der Pol´s approximate representation of the Sommerfeld integral is rederived to show that the approximation is valid regardless of the distance between image and point of observation. The only constraint is that the absolute value of the square of the refractive index is great compared to one.
Keywords :
Antennas; Electromagnetic analysis; Integration (mathematics); Attenuation; Conductivity; Dielectric constant; Earth; Frequency; Functional analysis; Geometry; Helium; Refractive index; Tin;
Journal_Title :
Antennas and Propagation, IEEE Transactions on
DOI :
10.1109/TAP.1979.1142081
