Communications: directive radio wave systems and devices (e.g. – Determining distance – Phase comparison
Reexamination Certificate
2006-05-16
2006-05-16
Pihulic, Daniel (Department: 3662)
Communications: directive radio wave systems and devices (e.g.,
Determining distance
Phase comparison
C342S095000, C342S097000, C342S107000, C342S133000, C342S139000, C342S140000, C342S146000, C342S192000, C342S194000, C342S196000
Reexamination Certificate
active
07046190
ABSTRACT:
A method and apparatus for determining range of a radar target is provided. Signal samples based on returns of a target during tracking are processed to produce a wideband envelope range estimate for components of target motion. The components of target motion include precession and spin motion. Ambiguous phase values are measured. An unambiguous phase value indicative of range is produced from the wideband envelope range estimate and measured ambiguous phase values.
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Daly,Crowley,Mofford & Durkee,LLP
Pihulic Daniel
Raytheon Company
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