METHOD FOR PREVENTING COLLISIONS OF HELICOPTER TO HIGH-VOLTAGE ELECTRIC POWER TRANSMISSION LINES

radar equipment. SUBSTANCE: method involves reading electromagnetic oscillations, which are emitted by high- voltage electric power transmission lines in radio frequency, by means of receiver, which is mounted on helicopter. Values of received signals are measured against reference values. This resu...

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Bibliographische Detailangaben
Hauptverfasser:	VOJNICH B.A, BORISOV V.F, POZDNJAKOVA O.K, PONOMAREV L.I, TROFIMOV V.D, KOTOV JU.V
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	ANALOGOUS ARRANGEMENTS USING OTHER WAVES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION SIGNALLING TESTING TRAFFIC CONTROL SYSTEMS
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Beschreibung
Zusammenfassung:	radar equipment. SUBSTANCE: method involves reading electromagnetic oscillations, which are emitted by high- voltage electric power transmission lines in radio frequency, by means of receiver, which is mounted on helicopter. Values of received signals are measured against reference values. This results in possibility to correct helicopter flight direction. Reading of electromagnetic oscillations is done from several different directions using several receiving antennas, which beam patterns are oriented in different angular sectors of helicopter flight plane. Presence of signal in one of receiving antennas provides possibility to detect position of wires of transmission line with respect to helicopter housing. EFFECT: increased flight safety. 2 dwg