Communications: directive radio wave systems and devices (e.g. – Testing or calibrating of radar system – By monitoring
Reexamination Certificate
2005-10-25
2005-10-25
Gregory, Bernarr E. (Department: 3662)
Communications: directive radio wave systems and devices (e.g.,
Testing or calibrating of radar system
By monitoring
C342S165000, C342S174000, C342S175000, C342S195000, C343S872000
Reexamination Certificate
active
06958725
ABSTRACT:
A system for correcting the effect of radome aberration on line-of-sight signals indicating target position. The aberration is in fact dependent upon both operating frequency and ‘angle-of-look’ and the essence of the present invention is to separate the corrections appropriate to each of these factors. The apparent line-of-sight signals are subjected to a frequency dependent amplification the result being used to address a store of error correction data. The apparent line of sight signals are also used to address a second store of error correction data and the two sets of correction data are added into the apparent line-of-sight signals to give true line-of-sight.
REFERENCES:
patent: 3316549 (1967-04-01), Hallendorf
patent: 3940767 (1976-02-01), DeLano et al.
patent: 4303211 (1981-12-01), Dooley et al.
Moore Trevor Stanley
Price John Clifford
BAE Systems Electronics Limited
Gregory Bernarr E.
Kirschstein et al.
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