FIELD: radiolocation.
SUBSTANCE: protective device contains serially connected circuits for protection from wideband and narrowband interference, and also device for stabilization of false alarm level. Device additionally contains multiplier and block for selecting impulse by form, inputs of which are connected to output of stabilization device of false alarm level, output of selection block is connected to second input of multiplier, and output of multiplier is output of whole device. Also, impulse selection block may be made in form of serially connected base clipper, differentiating device, two-sided clipper, second differentiating device and threshold device.
EFFECT: suppression of interference, structure of which coincides with structure of probing signal; preservation of dynamic range of output signals of receiver.
2 cl, 3 dwg
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