US 12,032,116 B1
Geolocating sources of acoustic signals with a balloon-borne aeroseismometer
Daniel Bowman, Corrales, NM (US); Jerry Rouse, Virginia Beach, VA (US); Siddharth Krishnamoorthy, Pasadena, CA (US); Attila Komjathy, La Crescenta, CA (US); and James Cutts, Pasadena, CA (US)
Assigned to National Technology & Engineering Solutions of Sandia, LLC, Albuquerque, NM (US); and California Institute of Technology, Pasadena, CA (US)
Filed by National Technology & Engineering Solutions of Sandia, LLC, Albuquerque, NM (US); and California Institute of Technology, Pasadena, CA (US)
Filed on Mar. 14, 2022, as Appl. No. 17/694,062.
Int. Cl. G01W 1/08 (2006.01); B64B 1/40 (2006.01); G01S 19/01 (2010.01); G01V 1/01 (2024.01); G01V 7/16 (2006.01); H04W 4/021 (2018.01)
CPC G01W 1/08 (2013.01) [B64B 1/40 (2013.01); G01S 19/01 (2013.01); G01V 1/01 (2024.01); G01V 7/16 (2013.01); H04W 4/021 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An airborne balloon that has a computing system coupled thereto, the computing system comprising:
a processor; and
memory storing instructions that, when executed by the processor, cause the processor to perform acts comprising:
receiving, from an acoustic sensor that is in communication with the computing system on the airborne balloon, an indication that an infrasonic signal has been detected by the acoustic sensor;
receiving, from at least one motion sensor that is in communication with the computing system on the airborne balloon, a signal indicating that a vibration of the airborne balloon occurred concurrently with the infrasonic signal being detected by the acoustic sensor, wherein the signal comprises directional information relating to movement in each of three planes of a reference frame of the airborne balloon; and
computing, based upon the signal received from the at least one motion sensor, a direction of arrival of the infrasonic signal in the reference frame of the airborne balloon, wherein a source of the infrasonic signal is located along the travel path of the infrasonic signal.