Ground station for aircraft landing angle - has alignment of aerials which form directive lobe and which are switched along alignment

摘要

The ground station, for measuring the angle of sight by Doppler effect has a vertical alignment of equidistant aerials. A supply device feeds the aerials and has a switching device which permits simulation of the displacement of a moving radioelectric source. The supply device simultaneously feeds successive aligned aerials so as to create a directive radiating lobe. To simulate an elementary displacement in a given source, the group of simultaneously fed aerials is shifted by one aerial in the sense along the alignment.