FIELD: preliminary information processing circuits of receiver of two different satellite navigation systems. SUBSTANCE: signal receiver has antenna, low-noise amplifier, mixer, intermediate-frequency amplifier, reference temperature- stable oscillator, complex signal processing circuit. Goal of invention is achieved by introduced input feeder, wide-band filter of preliminary selection, second low-noise amplifier, first and second band-pass filters, unit of automatic gain control and frequency generator. This results in possibility to receive and process signals from various modern space navigation systems without redundant receiving channels, by means of single receiving circuit. EFFECT: increased functional capabilities, decreased group delay, increased precision, simplified design, decreased power consumption. 6 dwg
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Authors
Dates
1998-04-27—Published
1993-05-25—Filed