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Large spacecraft antennas - New geometric configuration design concepts (1971)

Oliver, R. E · leaf 3

An illustration from Large spacecraft antennas - New geometric configuration design concepts, 1971, leaf 3
MAIN REFLECTOR SUBREFLECTOR ANTENNA AXIS |— FOCUS OF PARABOLA AND HYPERBOLA AXIS OF PARABOLA - AXIS OF HYPERBOLA- Figure 3. Modified Gregorian with hyperbola-generated 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 main reflector surface is a frustum of a cone with its apex at A and with a half cone angle 9.…

Interplanetary spacecraft · Liquid rocket propellants · Solid propellant rocket engines · Space simulators · Technologies · Low thrust propulsion · Mission planning · Physiological effects · Spacecraft components · Telemetry · Combustion control · Computer aided design · Interplanetary flight

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