PROBLEM TO BE SOLVED: To shorten a period of time required for waveform signal processing.SOLUTION: A waveform estimation device includes an estimation part and a calculation part. The estimation part estimates a first vibrational component at frequencies less than a first frequency in a period, by using an input waveform in a period from a current time to a time before half wavelength at the first frequency, in the input waveform corresponding to a traveling locus of a vehicle traveling on a roadway. The calculation part subtracts the first vibrational component from the input waveform, and calculates a second vibrational component at the first frequency or more in the period.SELECTED DRAWING: Figure 3
【課題】波形の信号処理にかかる時間を短縮すること。【解決手段】波形推定装置は、推定部と、算出部とを有する。推定部は、車道を走行する車両の走行軌跡に応じた入力波形において、現時刻から第1周波数の半波長前までの期間の入力波形を用いて、期間における第1周波数未満の第1振動成分を推定する。算出部は、入力波形から第1振動成分を減算して、期間における第1周波数以上の第2振動成分を算出する。【選択図】図3
WAVEFORM ESTIMATION DEVICE, WAVEFORM ESTIMATION METHOD, AND WAVEFORM ESTIMATION PROGRAM
波形推定装置、波形推定方法および波形推定プログラム
2018-11-22
Patent
Electronic Resource
Japanese
IPC: | B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion / G06T Bilddatenverarbeitung oder Bilddatenerzeugung allgemein , IMAGE DATA PROCESSING OR GENERATION, IN GENERAL / G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS |
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