Radar

Details Radar Radar

2007-12-25

2007-12-25

Pihulic, Daniel (Department: 3662)

Communications: directive radio wave systems and devices (e.g.,

Determining velocity

Combined with determining distance

Reexamination Certificate

active

10584256

ABSTRACT:
A radar wherein, in accordance with a peak frequency f1[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 f1[t] and f2[t] in which (f1[t]+f2[t])/2 approximates the predicted fr[t] is extracted as a pair candidate. In addition, f1[t] and f2[t] in which Doppler shift frequency is substantially equal to a Doppler shift frequency calculated from the peak frequency f1[t−nT] of the first projecting portion and the peak frequency f2[t−nT] of the second projecting portion are selected.

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