| 摘要 |
A radar wherein, in accordance with a peak frequency f 1[ t-nT] of a first projecting portion at a predetermined timing t-nT, a center frequency fr[t] of peak frequencies of first and second projecting portions at a current measurement timing t is predicted, and f 1[ t] and f 2[ t] in which (f 1[ t]+f 2[ t])/2 approximates the predicted fr[t] is extracted as a pair candidate. In addition, f 1[ t] and f 2[ t] in which Doppler shift frequency is substantially equal to a Doppler shift frequency calculated from the peak frequency f 1[ t-nT] of the first projecting portion and the peak frequency f 2 [t-nT] of the second projecting portion are selected.
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