アナログ・ディジタル変換器出力の実時間圧縮 Real-Time Compression of Analog-to-Digital Converter Outputs

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抄録

We describe a fast lossless data compression algorithm suitable for digitized data taken at regular time intervals, such as outputs from analog-to-digital converters (ADCs). It is designed on the assumption that the present value can be predicted approximately from the past values, and that the distribution of the prediction error is approximately Gaussian with zero mean and small and slowly changing standard deviation. Unlike many offline compression tools such as LH and gzip, our algorithm does not need future values to encode the present value. This property is important for real-time transmission of compressed data on the network. The algorithm is to be integrated into our data acquisition system for the Large Helical Device (LHD) experiments at the National Institute for Fusion. Science (NIFS).

収録刊行物

  • プラズマ・核融合学会誌 = Journal of plasma and fusion research

    プラズマ・核融合学会誌 = Journal of plasma and fusion research 73(10), 1135-1140, 1997-10-25

    プラズマ・核融合学会

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各種コード

  • NII論文ID(NAID)
    110003826780
  • NII書誌ID(NCID)
    AN10401672
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    09187928
  • NDL 記事登録ID
    4332787
  • NDL 雑誌分類
    ZM35(科学技術--物理学)
  • NDL 請求記号
    Z15-8
  • データ提供元
    CJP書誌  NDL  NII-ELS  NDL-Digital 
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