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Publication of FR603663ApublicationCriticalpatent/FR603663A/en
G01S—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
G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
G01S11/02—Systems for determining distance or velocity not using reflection or reradiation using radio waves
G01S11/023—Systems for determining distance or velocity not using reflection or reradiation using radio waves using impedance elements varying with distance
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Physics & Mathematics
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Engineering & Computer Science
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General Physics & Mathematics
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Radar, Positioning & Navigation
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Remote Sensing
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Measurement Of Resistance Or Impedance
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FR603663D1925-03-121925-09-25
Method and device for measuring the distance of the apparatus from the ground in aircraft
ExpiredFR603663A
(en)