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:
Oct. 22, 2002
Filed:
Mar. 15, 2001
Applicant:
Inventors:
Javier Marti-Canales, Leiden, NL;
Leonardus Petrus Ligthart, Zoetemeer, NL;
Assignee:
Agence Spatiale Europeenne (an inter-governmental organization), Paris Cedex, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01Q 3/00 ;
U.S. Cl.
CPC ...
H01Q 3/00 ;
Abstract
A fast, novel method is disclosed which permits to determine the electrical features of an antenna. The antenna is excited with an ultra-short voltage pulse and the far field radiation pattern of the antenna is measured. The resulting time-varying field distribution across the antenna aperture is then reconstructed using time domain holography. A direct analysis of the holographic plot permits the determination a wide range of electrical properties of the antenna.