A purely-lateral position estimation unit (1603) estimates as an estimated purely-lateral position, when a disturbance wave to disturb communication performed in a train is generated while the train is traveling, a position existing in a purely-lateral direction with respect to a position of a generation source of the disturbance wave. A feature extraction unit (1604) extracts a feature of a measured reception power value being a reception power value measured in the train during a disturbance wave generation period wherein the disturbance wave has been generated. A candidate distance extraction unit (1605) extracts, from learning data indicating a plurality of candidate distances being candidates of a distance between the position of the generation source of the disturbance wave and the estimated purely-lateral position, and indicating for each candidate distance, a feature of an estimated reception power value estimated to be measured in the train when the distance between the position of the generation source of the disturbance wave and the estimated purely-lateral position is the candidate distance, a candidate distance for which the feature of the estimated reception power value matches the feature of the measured reception power value, as an extracted candidate distance. A generation source position estimation unit (1606) estimates a position being distant from the estimated purely-lateral position by the extracted candidate distance, as the position of the generation source of the disturbance wave.
DATA PROCESSING DEVICE, DATA PROCESSING METHOD, AND COMPUTER READABLE MEDIUM
2024-04-04
Patent
Electronic Resource
English
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