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Home Sensors Radio Beam Sensor for Perimeter Intrusion Protection System

Radio Beam Sensor for Perimeter Intrusion Protection System

Description

The Radio Beam Sensor (sensor) is intended for generating of alarm signal when a person or vehicle crosses guarded perimeter. Transmitting unit radiates pencil beam -fig. 1 along the perimeter, on other end of which the receiving unit is situated in a straight visibility. When any object (person, vehicle etc.) crosses the beam, the level of signal received decreases and sensor generates an alarm signal, which can be translated to any monitoring system.

Innovative Aspect and Main Advantages

Innovation aspect is connected with use of millimeter wave band for operation of the sensor.

Main advantages of the sensor are the following:

  • Hidden of operation because of sensor design – fig. 2 (it is impossible to determine a destination of the sensor and location of radio beam;
  • Capability to detect a creeping intruder that permits to create practically irresistible electronic fence.
  • All-weather operation regardless to fog, heavy rain or snowfall;
  • High noise immunity regarding precipitations, birds and with respect to lightning, power optical sources and outer electromagnetic fields;
  • Low price in comparison with other systems.

Performance specification.

  • Frequency range ––––––––––––––––––––––––––– 35 GHz
  • Max length of a perimeter section ––––––––––––– 300 m
  • Beamwidth at a max length –––––––––––––––––– ≤ 1,0 m
  • Rate of beam crossing –––––––––––––––––––––– 0,01-10 m/s
  • Self-contained power supply ––––––––––––––––– with solar battery.

Areas of Application

The radio beam sensor can be used as a component of intrusion protection systems in large outer perimeters (oil and gas storages, airports, traffic centers, electric power stations (including nuclear power stations) and other protected areas.

Operation principle
Fig. 1 Operation principle

Design of the sensor prototype
Fig. 2 Design of the sensor prototype

Stage of Development

The prototype of the sensor is field tested and available for demonstration.

Contact Details

Usikov Institute of Radiophysics and Electronics, National Academy of Sciences of Ukraine
Contact person: Grigory Khlopov
Address: 12, Acad. Proskury str., 61085, Kharkiv, Ukraine
Tel.: (+38 057) 720 3574
Fax: (+38 057) 315 2105
E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it

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