| 摘要 |
PROBLEM TO BE SOLVED: To provide a digital movable average filter, in which a circuit scale can be reduced. SOLUTION: This 2n-stage movable average type filter consists delay circuits 1, 3 and 5 and adders 2 and 4 adding input/output signals of the delay circuits 1, 3 and 5 and outputting them to the delay circuits 3 and 5 of the next stages, and the delay circuits 1, 3 and 5 are composed of delay devices of 1, 2 and 4 stages respectively.
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