DIGITAL RECEIVER OF SATELLITE NAVIGATION Russian patent published in 1997 - IPC

FIELD: radio navigation, location of objects. SUBSTANCE: digital receiver of satellite navigation has antenna, prefilter, amplifier, band-pass filter, mixer, intermediate frequency preamplifier, two channels of frequency conversion including band-pass filters, intermediate frequency amplifiers, mixers, low-pass filters, broadband amplifiers and analog-to-digital converters. Apart from them receiver incorporates controlled generators, frequency dividers, frequency-phase discriminators, integrators, comparator, radio signal processing channels each composed of complex multiplier, two adders, two multipliers and three integrators, digital frequency synthesizer, sine-cosine converter, generator of pseudo-random sequence, former of accumulation interval, multiplexers, multipliers, subtracters, integrators, series-to-parallel code converter, processor and exchange interface. EFFECT: given receiver ensures high accuracy operations with two satellite systems GLOMASS (Russia) and GPS (the USA). 5 dwg