Spectrum-shape discriminating on/off target indicator

Details Spectrum-shape discriminating on/off target indicator Spectrum-shape discriminating on/off target indicator

1971-01-04

1976-06-22

Tubbesing, T. H.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

325477, 343 18E, 328149, H04B 110

Patent

active

039654281

ABSTRACT:
A spectrum-shaped discriminating on/off target indicator which indicates if a signal simultaneously meets prescribed conditions on power level and spectrum shape. Signal power level and spectrum width are simultaneously measured and a DC logic output is obtained only for input signals which have a signal-to-noise ratio equal to, or higher than a preset minimum level though the signal "noise bandwidth" meets the prescribed conditions.

REFERENCES:
patent: 3351927 (1967-11-01), Stinson
patent: 3769591 (1973-10-01), Brown et al.

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