Variable threshold signal detecting apparatus

Details Variable threshold signal detecting apparatus Variable threshold signal detecting apparatus

1977-09-09

1979-09-25

Tubbesing, T. H.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

G01S 734

Patent

active

041692632

ABSTRACT:
A variable threshold detecting circuit for use with radar signals where a given target will appear with the same intensity on the screen whether the target is nearby or far away. The 1/R.sup.4 decrease in amplitude of the returned radar signal is compensated for by discharging an integrating circuit and using the output voltage of the integrating circuit as the threshold to a threshold detector for passing only the radar signals exceeding the threshold.

REFERENCES:
patent: 4023168 (1977-05-01), Bruder et al.

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