音響波プロープを用いる空間温度モニタリング Atmospheric Temperature Monitoring System Using a Sound Probe

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抄録

A method of realizing a non-contact atmospheric temperature monitoring system using a sound probe is described. The sound probe consists of iterate burst sound of an audible frequency. The burst sound flights from an audio speaker to an electrostatic plane condenser microphone. Time of flight of the sound increases in inverse proportion to a sound propagation velocity which is dependent on the air temperature. The time of flight is acquired by correlation result between a launching burst signal and its detecting signal. This present system has a high-speed time response. Measurement error was within 0.5 degrees at the base line of 3.0m. Experimental results on this temperature monitoring system using the sound probe were in good agreement with the operation principle. This technique has the advantage of having a real-time measurement and a non-contact sensing in atmospheric monitoring.

収録刊行物

  • 電気学会論文誌. E, センサ・マイクロマシン準部門誌 = The transactions of the Institute of Electrical Engineers of Japan. A publication of Sensors and Micromachines Society  

    電気学会論文誌. E, センサ・マイクロマシン準部門誌 = The transactions of the Institute of Electrical Engineers of Japan. A publication of Sensors and Micromachines Society 118(2), 154-160, 1998-02 

    The Institute of Electrical Engineers of Japan

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被引用文献:  11件

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各種コード

  • NII論文ID(NAID)
    10004833254
  • NII書誌ID(NCID)
    AN1052634X
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    13418939
  • NDL 記事登録ID
    4392300
  • NDL 雑誌分類
    ZN31(科学技術--電気工学・電気機械工業)
  • NDL 請求記号
    Z16-B380
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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