FIELD: radio engineering.
SUBSTANCE: suggested method provides for balancing of sensitivity distribution along the security border through spatial superposition of two detection zones shifted by phase at 90°, which are generated by adjacent transceivers connected from different ends of common vibrator of symmetrical antenna. Device comprises a central transceiver on an eminence in the centre of secured perimetre with a discrete antenna, which is connected to control and processing unit, which, by a wire line, serially connects a set of N perimetre transceivers with a wire line, which are installed evenly in/on ground/structure along secured perimetre. Sections of wire line that serially connect transceivers perform two functions simultaneously: provision of power supply and vibrators of symmetrical antenna. Continuous and even detection zone is formed.
EFFECT: improved probability of trespasser detection.
3 cl, 9 dwg
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