タイトル(掲載誌)航空宇宙技術研究所報告 = Technical Report of National Aerospace Laboratory TR-863
一般注記This paper describes the algorism and effect of the filtering sampler, which was recently developed as a part of a time series data acquisition system. The fundamental operation is a moving average with the weightings of binomial coefficients over discrete data. Each application of the above operation at every other input timing reduces the sampling rate by half and filters out high frequency noise components. Such fundamental operation is repeatedly applied to the data in cascade, so that the total operation reduces the sampling rate by a factor of any arbitrary number to the power of 2. The algorism reduced the load of the micro-processor for the filtering. The anti-aliasing effect is also found to be excellent in the low frequency region.
資料番号: NALTR0863000
レポート番号: NAL TR-863
連携機関・データベース国立情報学研究所 : 学術機関リポジトリデータベース(IRDB)(機関リポジトリ)
提供元機関・データベース宇宙航空研究開発機構 : 宇宙航空研究開発機構リポジトリ