Phase Direction Finder Accuracy Assessment Using an Impulse Radio Signal Ground Reflection Model

Abstract

The results of the accuracy assessment of phase direction finders with horn antennas and antenna arrays made of Vivaldi elements are presented using a mathematical model of pulsed radio signal reflections from the underlying earth's surface. It is shown that the use of the proposed multi-point model of reflections from the earth's surface allows one to analyze and estimate the errors in the direction finding of radio emission sources by a phase direction finder on ground propagation paths of radio waves of various lengths.