FIELD: radio engineering.
SUBSTANCE: serial reflection of flat wave of signal radiated by radar station antenna in near zone, from fixed and movable mirrors arranged between radar station antenna and antennas of echo signals. Adjustment of inclination angle of movable mirror provides for radiation of echo signals antennas only at rated angles of RS antenna sighting. At the same time number of antennas and imitators of echo signals is not more than maximum number of targets simultaneously radiated with a directivity pattern of RS antenna in the whole sector of scanning.
EFFECT: reduced requirements to dimensions of echo-free chamber in transverse direction at simultaneous reduction of number of antennas and imitators of echo signals.
2 dwg
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