Resolving angular ambiguity

Details Resolving angular ambiguity Resolving angular ambiguity

1977-03-10

1979-01-23

Blum, Theodore M.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

G01S 502

Patent

active

041363426

ABSTRACT:
Angular ambiguity, particularly in measurements made in radio interferometers, is resolved by comparing an ambiguous value for a desired angle with an unambiguous value for an angle which is ideally equal to the desired angle but which may differ from it by an error angle less than .pi.. For example, ambiguity in the phase difference between a pair of widely-spaced antennas may be resolved by reference to the sum of two unambiguous phase differences between each of those antennas and an intermediate antenna. The effect on the ambiguity-resolution process of certain sources of phase errors in practical systems can be eliminated, leaving a large tolerance to remaining errors.

REFERENCES:
patent: 3889267 (1975-06-01), Lucas et al.

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