US 12,072,412 B2
Broadband radio frequency imaging surface
Mollie A. Engel, Columbus, OH (US); Douglas A. Thornton, Upper Arlington, OH (US); and Raphael J. Welsh, Powell, OH (US)
Assigned to BATTELLE MEMORIAL INSTITUTE, Columbus, OH (US)
Filed by Battelle Memorial Institute, Columbus, OH (US)
Filed on Dec. 21, 2023, as Appl. No. 18/391,900.
Application 18/391,900 is a continuation of application No. PCT/US2023/028654, filed on Jul. 26, 2023.
Claims priority of provisional application 63/395,515, filed on Aug. 5, 2022.
Prior Publication US 2024/0118412 A1, Apr. 11, 2024
Int. Cl. G01S 13/89 (2006.01); G01S 7/03 (2006.01); G01S 7/40 (2006.01); G01S 13/02 (2006.01); H04B 1/00 (2006.01)
CPC G01S 13/89 (2013.01) [G01S 7/03 (2013.01); G01S 7/4021 (2013.01); G01S 13/0209 (2013.01); H04B 1/006 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A broadband radio frequency (RF) imaging device comprising:
a broadband RF aperture array having at least four array elements and having a bandwidth of at least 700 MHZ;
at least one RF receiver having RF connections with the array elements of the broadband RF aperture array, the RF connections being of length 10 meters or less; and
a computer having a digital data connection to the at least one RF receiver;
wherein each RF receiver is configured to receive broadband RF signal data over a sampling time interval from the broadband RF aperture array, and to digitize the broadband RF signal data to generate digitized broadband RF signal data, and to store the digitized broadband RF signal data locally at the RF receiver; and
wherein the computer is programmed to receive the digitized broadband RF signal data stored locally at the at least one RF receiver and to reconstruct an RF image from the digitized broadband RF signal data received from the at least one RF receiver.