Timing adjustment method for radar, and radar apparatus...

Communications: directive radio wave systems and devices (e.g. – Testing or calibrating of radar system – By monitoring

Reexamination Certificate

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C342S088000

Reexamination Certificate

active

11137203

ABSTRACT:
On/off timing of an amplifier and timing of antenna selection are accurately adjusted. When adjusting the on/off timing of the amplifier, modulation of a transmit signal is stopped, and a switch is set so as not to select any one of the antennas, thereby totally reflecting the transmit signal; in this condition, the timing is controlled so that the average value of the output level of a mixer becomes a minimum. When adjusting the antenna selection timing, modulation of the transmit signal is stopped, and a reflective object is placed in close proximity to the antenna; in this condition, the timing is adjusted so that the average value of the output level of the mixer becomes a maximum.

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