The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 16, 2006
Filed:
Jul. 25, 2003
Applicant:
Fritz Steudel, Sudbury, MA (US);
Inventor:
Fritz Steudel, Sudbury, MA (US);
Assignee:
Raytheon Company, Waltham, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01S 13/72 (2006.01);
U.S. Cl.
CPC ...
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.