Large spacecraft antennas - New geometric configuration design concepts (1971)
Oliver, R. E · leaf 3
Figure 3. Modified Gregorian with hyperbola-generated subreflector ANTENNA AXIS SUBREFLECTOR Figure 4. IWodified Gregorian with ellipse-generated subreflector Multiple-Reffectioo Conical Antenna The basic principle of the multiple-reflection conical antenna concept is illustrated in Figure 5. The…