CPC Subgroup
G01S 13/82 wherein continuous-type signals are transmitted
Full Title
Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified > Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems > wherein continuous-type signals are transmitted
2 direct subcodes
Child Classifications
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- G01S 13/84 for distance determination by phase measurement