Communications: directive radio wave systems and devices (e.g. – Radar for meteorological use
Patent
1993-11-30
1997-04-22
Hellner, Mark
Communications: directive radio wave systems and devices (e.g.,
Radar for meteorological use
G01S 1300
Patent
active
056232675
ABSTRACT:
The sky is scanned with transmitted radar pulse beam of electromagnetic radiation from a high gain antenna with a narrow viewing angle. Weather echos from the radar pulse are monitored with a low gain receiving antenna that has a wide, or moderate, viewing angle of the sky. The source location of echo signals along the direction of the radar pulse beam path are defined by synchronizing the sampling of the echo signal at the receiving station with the transmission of radar pulses at the transmitting station. The receiving station defines the location of an echo signal source by knowing the locations of the transmitting and receiving antennas, the pointing angle of the transmitted beam and the relative time between transmission of the radar pulse and receipt of each echo signal sample along the transmitted beam path. The relative time can be defined by synchronizing the sampling of the echo signal with each transmitted pulse.
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patent: 5136296 (1992-08-01), Roettger et al.
patent: 5175551 (1992-12-01), Rubin
patent: 5235341 (1993-08-01), Effland et al.
"Bistatic Radars" by M. R. B. Dunsmore; Alta Frequenza, vol. LVIII, No. 2 Mar.-Apr. 1989, pp. 53-79.
"Synchronization Aspects for Bistatic Radars" by C.K. Bovey and C.P, Horne; Plessy Research, Roke Manor UK; pp. 22-25.
"Principles of Independent Receivers for use with Co-operative Radar Transmitters" by J. G. Schoenenberger et al; The Radio and Electronic Engineer, vol. 52, No. 2, Feb. 1982; pp. 93-101.
Article entitled "Measuring Winds With Pulsed C-Band Radar" in NASA Technical Briefs, Oct. 1989, p. 28, by C. Lennon et al.
Hellner Mark
Knearl Homer L.
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