Fm-cw radar apparatus

Details Fm-cw radar apparatus Fm-cw radar apparatus

G - Physics

01

S

343/26

G01S 13/536 (2006.01) G01S 13/34 (2006.01)

Patent

CA 2027652

An FM-CW radar apparatus is provided with: a transmitter unit (1, 2, 3) for the emission of frequency- modulated continuous carrier waves of bandwidth B; a receiver unit (6, 7) for the reception of echo signals reflected by a target, producing target-representing beat signals; a signal processing unit, to which the beat signals are applied, provided with: an A/D converter unit (8) for the sampling and digitisation of the beat signals; a first fast fourier transform (FFT) processing unit (10) with the object of obtaining at least range information about a target; a second FFT processing unit (12) with the object of obtaining at least high resolution information about a target; a control unit (13), which makes the output signals, generated by the first FFT processing unit (10) and the second FFT processing unit (12), suitable for presentation on a display (14).

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