Multifunctional Microstrip Antennas.
Patent, Filed 10 Jun 86, patented 1 Mar 88,
DEPARTMENT OF THE AIR FORCE WASHINGTON DC
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A microstrip antenna system that is capable of simultaneously transmitting an outgoing circularly polarized wave while receiving an incoming circularly polarized wave using a microstrip patch antenna element and a signal processing network is disclosed. The signal processing system connects the antenna element to a transmitter and receiver and produces a phase-shifted transmitted signal in order to isolate the receiver from the transmitted signal by nulling it.
- Electrical and Electronic Equipment
- Solid State Physics