Procedure for the elimination of interference in a radar unit of the FMCW type
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United States of America Patent
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Oct 22, 2002
Grant Date -
Mar 7, 2002
app pub date -
May 12, 1999
filing date -
Oct 17, 1996
priority date (Note) -
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Abstract
This invention concerns a procedure for the elimination of interferences, such as pulses and linear chirps, in a radar unit of the FMCW type. According to the procedure, the useable signal in the form of a beat signal, is subjected to time-frequency division of the type STFT for division of the signal into narrow-band frequency bands. Interference is detected and eliminated in each frequency band, after which the time signal freed from interference and its Discrete Fourier Transform, DFT, are calculated from the time-frequency division in narrow-band frequency bands.
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