US 11,959,955 B2
Enhanced anechoic chamber
Jonathan C. Berry, San Jose, CA (US); and Duc H. Vu, Sunnyvale, CA (US)
Assigned to Argo AI, LLC, Pittsburgh, PA (US)
Filed by Argo AI, LLC, Pittsburgh, PA (US)
Filed on Sep. 21, 2020, as Appl. No. 17/027,489.
Prior Publication US 2022/0091170 A1, Mar. 24, 2022
Int. Cl. G01R 29/10 (2006.01); G01S 7/40 (2006.01); G01S 13/931 (2020.01)
CPC G01R 29/105 (2013.01) [G01S 7/4052 (2013.01); G01S 13/931 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A system, comprising:
an anechoic chamber configured to facilitate a measurement using a radar that is under test;
a mounting arm disposed inside the anechoic chamber so as to extend inwards from an internal sidewall of the anechoic chamber and configured to removably position the radar at a location within the anechoic chamber;
an aperture formed through a sidewall of the anechoic chamber, the sidewall being shaped to allow signals transmitted from the radar to travel from an area inside the anechoic chamber, pass through the aperture, and travel to an area outside of the anechoic chamber;
an anechoic material covering an edge of the aperture and configured to reduce diffraction by the edge of the aperture;
a target provided to reflect at least one of said signals back towards the radar positioned within the anechoic chamber, wherein the target is located outside the anechoic chamber at a location within a radar field of view through the aperture and wherein at least one of said signals, reflected by the target during the test, pass through the aperture before reaching the radar.