FIELD: physics, navigation.
SUBSTANCE: invention relates to radio navigation and can be used in local navigation systems and networks to control movement of mobile objects in local navigation areas. The system includes two high-frequency harmonic signal transmitters with a common transmitting antenna mounted on the navigation object, three receivers for said signals with receiving antennae mounted at reference radio navigation points with known coordinates, three measurement channels (differential frequency forming channels), three phase detectors, three analogue-to-digital converters and a navigation object coordinate computer. Each measurement channel includes a balance mixer, a narrow-band filter, a limiting amplifier and a resonance amplifier, connected in series.
EFFECT: high accuracy of locating a navigation object and noise-immunity of the system.
2 dwg
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