FIELD: physics.
SUBSTANCE: narrow-directed emission of a signal takes place through N spatially distributed weakly directional channels using N weakly directional identical antennae. The reflected signal is received by each of the N weakly directional antenna sub-arrays. Separation of the antenna excitation channels and signal reception is realised using circulators. In each of the N reception channels, a complex envelope of its output signal is formed. Matched filtration takes place through conversion of quadrature components of the received signal to digital form and calculation of the two-dimensional resultant of the received and emitted signals which are presented in digital form. As a result, the response of the radar station is formed as a bivariate function on the "delay time-Doppler frequency shift" plane which displays distribution of objects according to range, radial speed and reflection coefficient.
EFFECT: higher energy potential of the radar station.
1 dwg
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