US 12,216,024 B2
Signal analysis device, signal analysis method, and recording medium
Yuko Ohta, Tokyo (JP); and Reishi Kondo, Tokyo (JP)
Assigned to NEC CORPORATION, Tokyo (JP)
Appl. No. 17/802,410
Filed by NEC Corporation, Tokyo (JP)
PCT Filed Mar. 18, 2020, PCT No. PCT/JP2020/011871
§ 371(c)(1), (2) Date Aug. 25, 2022,
PCT Pub. No. WO2021/186597, PCT Pub. Date Sep. 23, 2021.
Prior Publication US 2023/0085975 A1, Mar. 23, 2023
Int. Cl. G01M 17/00 (2006.01); G01M 17/08 (2006.01)
CPC G01M 17/08 (2013.01) 8 Claims
OG exemplary drawing
 
1. A signal analysis device comprising:
a memory storing instructions; and
at least one processor configured to execute the instructions to perform:
detecting events included in a time-series signal, each event having an event type;
calculating an evaluation value for each event type of the detected events; and
generating a ranking of a plurality of the event types of the detected events based on the evaluation value for each event type.