Navigation receiver with doppler filter gating

Details Navigation receiver with doppler filter gating Navigation receiver with doppler filter gating

1974-11-18

1976-03-23

Wilbur, Maynard R.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

343113DE, G01S 144

Patent

active

039463869

ABSTRACT:
A navigation guidance receiving system for use with a Doppler navigation beacon of the type comprising a commutated linear array for producing a simulated Doppler effect. The receiving system includes a wideband Doppler beat waveform information filter and measurement circuits. Means are also provided to gate the filter output synchronously to allow dissipation of the filter transient response. The result is reduced filter frequency "pulling" and reduced measurement error due to the effect of multipath signals having beat frequencies in the filter rejection band.

REFERENCES:
patent: 3670337 (1972-06-01), Earp et al.
patent: 3774212 (1973-11-01), Eckert et al.

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