Frequency measuring apparatus
作者： Masayoshi Todorokihara
DOI:
关键词: Electronic engineering 、 Filter (signal processing) 、 Signal 、 Process (computing) 、 Binary number 、 Moving average 、 Computer science 、 Acoustics 、 Low-pass filter 、 Stage (hydrology) 、 Value (computer science)
摘要: A frequency measuring apparatus includes: a counter section adapted to count signal including pulse for predetermined time period, and output binary value corresponding of the signal; low pass filter perform filtering process on value, wherein includes first stage second filter, is moving average which input, provides with high-frequency component reduced, performs an calculation provide reduced.
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