TREA

RADIO DIRECTION-FINDING RADIO NAVIGATION DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES ANALOGOUS ARRANGEMENTS USING OTHER WAVES

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  • G01S

Parent Industries

GPHYSICS G01Measuring instruments

Current Industry

G01SRADIO DIRECTION-FINDING RADIO NAVIGATION DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES ANALOGOUS ARRANGEMENTS USING OTHER WAVES

Sub Industries

G01S1/00Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters Receivers co-operating therewith G01S11/00Systems for determining distance or velocity not using reflection or reradiation G01S13/00Systems using the reflection or reradiation of radio waves G01S15/00Systems using the reflection or reradiation of acoustic waves G01S17/00Systems using the reflection or reradiation of electromagnetic waves other than radio waves G01S19/00Satellite radio beacon positioning systems Determining position, velocity or attitude using signals transmitted by such systems G01S2205/00Position-fixing by co-ordinating two or more direction or position line determinations Position-fixing by co-ordinating two or more distance determinations G01S3/00Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received G01S5/00Position-fixing by co-ordinating two or more direction or position line determinations Position-fixing by co-ordinating two or more distance determinations G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
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