FM-CW radar apparatus

Details FM-CW radar apparatus FM-CW radar apparatus

1990-10-11

1991-06-11

Hellner, Mark

Communications: directive radio wave systems and devices (e.g.,

Determining distance

With frequency modulation

342196, G01S 1326

Patent

active

050236180

ABSTRACT:
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 digitization of the beat signals; a first FET processing unit (10) with the object of obtaining at least range information about a target; a second FET 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 FET processing unit (10) and the second FET processing unit (12), suitable for presentation on a display (14).

REFERENCES:
patent: 4568938 (1986-02-01), Ubriaco
patent: 4766436 (1988-08-01), Crepin et al.
patent: 4947354 (1990-08-01), Hethuin

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