| 摘要 |
PURPOSE: A cross correlation device is provided to improve power efficiency and circuit configuration efficiency. CONSTITUTION: A cross correlation device(100) includes an input signal processor(110), a sample signal processor(120), a shared addition processor(130), a cross correlation processor(140), and a reference signal processor(150). The input signal processor outputs sample signals as many as N which are generated by performing the sampling of inputted signals. The sample signal processor receives N sample signals and outputs multiple sample signal sequences including M sample signals among N sample signals. The reference signal processor outputs reference signal sequences including the reference signals, as many as a number which corresponds to the sample signal sequences. The shared addition processor receives N sample signals, generates addition result values by processing addition by each sample signal group including two or more sample signals, and outputs multiple addition result values. The cross correlation processor receives the sample signal sequences, the reference signal sequences, and the addition result values and produces cross correlation values by performing a cross correlation process between the reference signal sequences and the sample signal sequences by sample signal sequence in parallel. [Reference numerals] (110) Input signal processor; (120) Sample signal processor; (130) Shared addition processor; (140) Cross correlation processor; (150) Reference signal processor; (AA) Input signal
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