Communications: directive radio wave systems and devices (e.g. – Determining distance – With frequency modulation
Patent
1976-04-13
1991-10-29
Tubbesing, T. H.
Communications: directive radio wave systems and devices (e.g.,
Determining distance
With frequency modulation
342201, G01S 1332
Patent
active
050619330
ABSTRACT:
A short-range radar system having a unquie method of processing a linear CW signal so as to provide target range information at the time of target detection. The linear FW/CW signal is mixed with a portion of the transmitted signal and with an intermediate frequency ramp signal to produce a difference frequency signal in the form of a frequency ramp which is a function of the range to the target. The ramp signal is then converted to a pulse which is determinative of the range to the target.
REFERENCES:
patent: 3281842 (1966-10-01), Cerar et al.
patent: 3283321 (1966-11-01), Ward
patent: 4161732 (1979-07-01), Longuemare, Jr.
Goss Daniel A.
Macomber Bennie E.
Sheinbein Sol
Sliwka Melvin J.
The United States of America as represented by the Secretary of
Tubbesing T. H.
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