| 摘要 |
<p>A detection device (100), wherein a divided correlation detector (110) repeatedly performs, with regard to the first division pattern, a divided correlation process corresponding to the first division pattern on an input signal (DS) until a correlation peak is detected. With regard to each of the second and subsequent division patterns, the divided correlation detector (110) subjects the input signal (DS) to a divided correlation process corresponding to said division pattern on the condition that a correlation peak was detected by the divided correlation process corresponding to the preceding division pattern, the divided correlation process being performed in proportion to the sample number of the division pattern. When no correlation peak is detected by said divided correlation process, the divided correlation process corresponding to the first division pattern is restarted. It is thereby possible to reduce the power consumed when a target signal pattern having no autocorrelation is detected from an input signal.</p> |
