FIELD: determination of flying vehicle coordinates by means of radio aids; forming radar systems determining flying vehicle coordinates in three-dimensional space for short-range navigation, at landing and takeoff.
SUBSTANCE: proposed method consists in forming two radiation sources: in azimuth and elevation angle; outgoing pulses of radiation sources are modulated in time by setting the frequencies; each frequency corresponds to definite magnitude of antenna turn angle; azimuth and elevation angle signals are received on board and angular coordinates of flying vehicle are determined by frequency of modulation of received signal; after detection of flying vehicle on ground and determination of its angular coordinates, outgoing pulses are shaped in form of set of pulses corresponding to coded magnitude of range; range code is decoded on board flying vehicle.
EFFECT: enhanced efficiency and reliability.
6 cl, 3 dwg
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