Patent classifications
G
PHYSICS
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G01
MEASURING; TESTING
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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
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7/00
Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
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G01S7/02
of systems according to group G01S13/00
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G01S7/024
using polarisation effects
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G01S7/026
involving the transmission of elliptically or circularly polarised waves
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