FIELD: radar ranging and radio navigation.
SUBSTANCE: invention relates to radio navigation and can be used in local navigation systems and networks for controlling movement of mobile objects in local navigation areas. Mentioned result is achieved due to, that local phase difference-range-finding radio navigation system comprises two transmitters of high-frequency harmonic signals with common transmitting antenna located on the navigation object, three signal receivers with receiving antennae installed in the reference radio navigation points with known coordinates, three wire communication channels of reference radio navigation points with the central processing station (CPS) and installed in the CPS measuring and computing device having three limiting amplifiers, three frequency dividers, six phase detectors, six analogue-to-digital converters and a navigation object coordinate computer.
EFFECT: increase of system noise-immunity and wider field of space, in range of which unambiguous determination of coordinates of navigation object is possible without reducing accuracy.
1 cl, 4 dwg
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