RECEIVER FOR USER EQUIPMENT OF GLOBAL SATELLITE NAVIGATION SYSTEM Russian patent published in 1997 - IPC

Abstract RU 2100821 C1

FIELD: satellite navigation, in particular, preliminary information processing circuits in two different global navigation systems. SUBSTANCE: device has two antennas, two band-pass filters of preliminary selection, first, second and third low-noise amplifiers, microwave commutator, reference oscillator with constant temperature, which output is connected to input of first generator of reference frequency grid. In addition device has phase shift, first and second intermediate frequency amplifiers, first and second automatic gain control units, and analog- to-digital converter. Goal of invention is achieved by introduced third to seventh mixers, second generator of reference frequency grid, third intermediate frequency amplifier, first, second and third low-pass filters, fourth band-pass filter, first, second and third low frequency amplifiers, second and third analog-to-digital converters. EFFECT: possibility of simultaneous and independent processing of signals from two different satellite navigation systems in two different information processing channels. 4 dwg

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RU 2 100 821 C1

Authors

Basjuk M.N.

Otoladze Eh.I.

Sadyrin V.Ju.

Smaglij A.M.

Dates

1997-12-27Published

1996-06-24Filed