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:
Mar. 02, 1993
Filed:
Jan. 22, 1991
Applicant:
Inventor:
John Green, Lisbon, CT (US);
Assignee:
The United States of America as represented by the Secretary of the Navy, Washington, DC (US);
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
364723 ;
Abstract
An improved time-interpolation method for digital time-domain beamformers provided. The method determines an input channel value at a known fractional delay as a two-stage process. In a first stage, input channel parameters common to all beams and independent of the known fractional delay are determined. In a second stage, the input channel parameters are weighted and summed for each beam to determine the input channel value at the known fractional delay. Weighting of the parameters is based upon the known fractional delay and the frequency band of interest.