Radar apparatus

Details Radar apparatus Radar apparatus

G - Physics

01

S

G01S 13/34 (2006.01) G01S 7/40 (2006.01)

Patent

CA 2095498

Abstract Radar apparatus provided with a transmit generator (1) and antenna means (2) for the transmission of comparatively long, linearly frequency-modulated transmitter pulses. Echo signals are received by antenna means (2) and a heterodyne signal is generated in mixer stage (3). Propagation time differences for different echo pulses are compensated by means of a dispersive delay element (4) incorporated in the radar receiver. Distortion of the echo pulses in the dispersive delay element is corrected on the basis of a Fresnel ripple correction. A Fourier transformation unit (5) transfers the corrected echo pulses to time domain video with low sidelobes.

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