| 摘要 |
A weighting coefficient calculator reads "R 1 " to "R 4 " from incoming RSSI signals of serial signals, and sets weighting coefficients in multipliers. The multipliers multiply incoming received signals of the serial signals by the weighting coefficients. The weighting coefficient calculator calculates a total sum of the weighting coefficients that is the total of the weighting coefficients for an adding and dividing processor. The adding and dividing processor calculates a sum of the weighted incoming received signals and divide the sum of the signals by the total sum of the weighting coefficients.
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