Communications: directive radio wave systems and devices (e.g. – Radar transponder system – Navigational
Patent
1993-11-16
1995-12-19
Sotomayor, John B.
Communications: directive radio wave systems and devices (e.g.,
Radar transponder system
Navigational
342 32, 342 40, G01S 1376, G01S 1387
Patent
active
054772257
ABSTRACT:
Apparatus for associating target reply signals with target signatures, wherein each reply signal is received from a target transponder within a selectable time period, and further wherein each target signature comprises a first set of parameter values that identify a target position and movement relative to an interrogating aircraft, the apparatus including reply processor means for producing a target report for each reply signal, the target report having a second set of parameter values; and report processing means for: 1) comparing each target report with each target signature to identify which report/signature pairs are potential matches, each comparison between a target report and a target signature being based on comparisons of corresponding parameter values to produce a probability of match for each parameter comparison; and 2) identifying which report/signature matches are best based on comparison of each report/signature potential match with each other potential report/signature potential match including comparison of the parameters' probabilities of match. An improved method for compensating inaccurate bearing data is also provided.
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Huston Robert S.
Young Eddie L.
B F Goodrich FlightSystems, Inc.
Lewis Leonard L.
Sotomayor John B.
Zitelli William E.
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