Communications: directive radio wave systems and devices (e.g. – Determining distance – With frequency modulation
Patent
1994-01-21
1995-08-15
Hellner, Mark
Communications: directive radio wave systems and devices (e.g.,
Determining distance
With frequency modulation
342122, G01S 1308
Patent
active
054423619
ABSTRACT:
A microwave transceiver using a reflection pumped mixer includes an electromagnetic signal generator, a subreflector, a reflector of electromagnetic signals from the subreflector, a mixer, circulator, and processing circuitry to relate electromagnetic signal frequency differences to the range of a target from the transceiver. Such frequency differences are detected by the mixer from the captured electromagnetic signals reflected distant targets and reflected electromagnetic signals from the subreflector.
REFERENCES:
patent: 5153546 (1992-10-01), Stove
patent: 5280290 (1994-01-01), Evans
Peters Steven J.
Voyce Kenneth G.
Cooper Kenneth J.
Hellner Mark
Redman Mary Y.
The Boeing Company
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