METHOD FOR SIMULATION OF TARGET AND ITS SIMULATOR IN PULSE-DOPPLER RADAR (MODIFICATIONS) Russian patent published in 2004 - IPC

Abstract RU 2234107 C1

FIELD: radar engineering, applicable in monitoring facilities of pulse-Doppler radars.

SUBSTANCE: the method consists in the fact that at simulation of a target initial attenuation of signals of the simulated target occurs in the network of successive transduction of signals of intermediate and heterodyne frequencies of the master oscillator to the carrier frequency of the outgoing pulses and simulated target; they are attenuated at the input of the network or in the points of gating of target signals to the limits providing their subsequent external attenuation without any influence of parasitic permeation to the radar receiver of pulses of the simulated target at the carrier frequency. An auxiliary IF oscillator is introduced in the target simulator at the input of the network of successive transduction for control of the output signal and its frequency, use is also made of a mode-of-operation switch and an OR gate. Modifications of the target simulator are available with regulators of initial attenuation in the points of gating of simulated target signals and alternation of the mode-of-operation switch.

EFFECT: enhanced decoupling (electric leak-proofness) of the simulated target in the target radar master oscillator to a level preventing its parasitic permeation to the radar receiver without an additional screening of the master oscillator construction.

5 cl, 5 dwg

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RU 2 234 107 C1

Authors

Surzhikov L.Ja.

Matjushin A.S.

Gol'Denberg V.A.

Dates

2004-08-10Published

2002-12-20Filed