Importance

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Abstract

Two of three receivers of a receiver-indicator are tuned to the frequencies of a first guided station and first guiding station, second guided station and second guiding station, respectively, and a third receiver is tuned to the frequency of a repeater station. The first and second receivers are connected to inputs of a first signal shaper for shaping electric signals corresponding to the best frequency between the first guided and guiding stations and to the input of a second signal shaper for shaping electric signals corresponding in the heat frequency between the second guided and guiding stations. The third receiver is connected to a third signal shaper for shaping electric signals corresponding to the beat frequency between the first guided and guiding stations and to a fourth signal shaper for shaping electric signals corresponding to the beat frequency between the second guided and guiding stations. The outputs of the first and third signal shapers are connected to inputs of a first digital follow-up phase meter, and the outputs of the second and fourth signal shapers are connected to the inputs of the second digital follow-up phase meter. Connected to the outputs of the first and second shapers are inputs of digital units for automatic frequency adjustment and multiplication, whose outputs are connected to the inputs of the first and second digital follow-up phase meters. A count pulse generator is connected to other inputs of the automatic frequency adjustment units.

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