SIGNAL DETECTOR, RECEIVER, AND THRESHOLD CALCULATION METHOD

申请公布号：JP2008312054(A)

申请号：JP20070159385

申请日期：2007.06.15

申请公布日期：2008.12.25

申请人：

MITSUBISHI ELECTRIC CORP

发明人：ISHIHARA HIDEKI

分类号：H04B1/707;H04B1/7073

主分类号：H04B1/707

摘要：<P>PROBLEM TO BE SOLVED: To obtain a signal detector which detects a desired signal without erroneously detecting a signal even when amplitude distribution of an input signal is other than Gaussian distribution. <P>SOLUTION: The signal detector includes: a T/N period maximum value detection part 12 which detects the maximum values of amplitude levels of the input signal by every section obtained by dividing a period corresponding to a predetermined period; a T period average value-standard deviation calculation part 13 which calculates an average value and standard deviation of the detected maximum values; a threshold calculation part 14 which calculates thresholds by every predetermined period based on the calculated average value and standard deviation; and a threshold judgment part 15 which detects the desired signal included in the input signal based on comparison results between the calculated threshold values and the amplitude levels. <P>COPYRIGHT: (C)2009,JPO&INPIT

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