Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Patent
1976-07-15
1978-01-17
Wilbur, Maynard R.
Communications: radio wave antennas
Antennas
Balanced doublet - centerfed
343 12MD, G01S 942, G01S 906
Patent
active
040694828
ABSTRACT:
The specification discloses a radar sensor for detecting short-range, slowly moving objects and using the range versus time data to develop a prediction of the time at which the range of the object will be at a minimum to the sensor. The sensor uses a pulse transmission of a radio frequency signal with object reflections being received and detected. Subsequent signal processing eliminates returns from clutter and stationary objects so that signals from low velocity objects can be detected. Computations are performed in a digital processor to compute an estimate of the time and of the range when the object will be closest to the sensor.
REFERENCES:
patent: 3142822 (1964-07-01), Martin
patent: 3745571 (1973-07-01), Chwastyk et al.
patent: 3789244 (1974-01-01), Provanzano
patent: 4001826 (1977-01-01), Moulton
McCray Peter M.
Parker Clarence B.
Taylor L. Lamoyne
Bissell Henry M.
General Dynamics Corporation
Goodwin Lawrence
Johnson Edward B.
Wilbur Maynard R.
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