| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a decoder capable of estimating a first order or an approximate value of the first order from inputted signals quickly without including a number of computing units. Ž<P>SOLUTION: A first conversion section 32 converts each of a plurality of input signals to generate a plurality of first conversion signals, based on a first conversion rule. A second conversion section 42 generates a second conversion signal indicating a logical operation result in bit units of the plurality of first conversion signals according to a second conversion table. A third conversion section 52 converts a logical operation signal to generate a third conversion signal indicating the value of the signal of the first order in the plurality of input signals, based on a third conversion rule. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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