| 摘要 |
The invention proposes an efficient method of determining, in an arbitrary assembly of non-uniformly distributed points, the point which is nearest from a characteristic of a given analog signal. It is particularly applicable to the detection of symbols in a PCM modem. The method comprises the step of considering successive search intervals, each search interval being obtained by splitting up a preceding search interval into two intervals, each interval comprising a number of points, the numbers being equal or different by one, such that one of these two intervals which comprises the received point constitutes the next search interval.
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