Phase error cancellation method for fm-cw radar

Details Phase error cancellation method for fm-cw radar Phase error cancellation method for fm-cw radar

G - Physics

01

S

G01S 13/34 (2006.01) G01S 7/35 (2006.01)

Patent

CA 2309109

A signal processing method is presented for FM-CW radar where coherency in time of the mixer output signal is restored between the frequency sweep intervals, by the cancellation of the phase error (shift) between consecutive intervals. The restoration of coherency allows much higher resolution of the frequency spectra to be achieved, thus - improving the spatial resolution of the radar and reducing the dead zone. At the same time, the signal processing method allows for automatic correction of the frequency sweep function.

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