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    • 2. 发明授权
    • Adaptive detection method and detector for quantized signals
    • 量化信号的自适应检测方法和检测器
    • US5428644A
    • 1995-06-27
    • US74359
    • 1993-06-10
    • Teuvo Kohonen
    • Teuvo Kohonen
    • H04L27/00H04L25/06H04L27/38H03D1/00H04L27/06
    • H04L27/38H04L25/062
    • The invention relates to an adaptive detection method and detector for detecting signal states of a received quantized signal using a set of reference vectors stored in a memory (11). According to the invention, the detector comprises sampling means (4) for sampling the received signal in a sliding time window; means (2) using a self-organizing map for calculating a first corrected set of reference vectors on the basis of the stored set of reference vectors used in the detection and samples of actual signal states received in the time window; means (3) employing the K-means method or the like for calculating a second corrected set of reference vectors on the basis of the first corrected set of reference vectors and the samples of the actual signal states; and means (9) for updating the set of reference vectors stored in the memory means (11) by the second corrected set of reference vectors.
    • 本发明涉及一种使用存储在存储器(11)中的一组参考矢量来检测接收的量化信号的信号状态的自适应检测方法和检测器。 根据本发明,检测器包括用于在滑动时间窗中采样接收信号的采样装置(4) (2)使用自组织图来基于在时间窗中接收到的在实际信号状态的检测和采样中使用的存储的参考矢量组来计算第一校正的参考矢量集合; 使用K-means方法等的方法(3),用于基于第一校正的参考矢量集合和实际信号状态的采样来计算第二校正的参考矢量集合; 以及用于通过第二校正的参考矢量集更新存储在存储装置(11)中的参考矢量集合的装置(9)。