Method and device for the removal of ambiguity in distance, appl

Details Method and device for the removal of ambiguity in distance, appl Method and device for the removal of ambiguity in distance, appl

1998-03-27

2000-02-08

Lobo, Ian J.

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

Determining distance

With frequency modulation

342107, 342112, G01S 1332

Patent

active

060232382

ABSTRACT:
Disclosed are a method and a device for the removal of ambiguity in distance. The method computes the distance of the targets detected by the radar using several estimation functions (21, 22, 23). When the estimation functions give substantially the same result, the targets are defined as being in the field of non-ambiguous distances and when the estimation functions give different results, the targets are defined as being in the domain of ambiguous distances. Application especially to frequency-shift keying, continuous-wave radar for automobile traffic control.

REFERENCES:
patent: 3750171 (1973-07-01), Faris
patent: 3750172 (1973-07-01), Tresselt
patent: 4106019 (1978-08-01), Alexander et al.
patent: 5420591 (1995-05-01), Annee et al.
patent: 5504490 (1996-04-01), Brendle et al.
patent: 5598163 (1997-01-01), Cornic et al.
patent: 5646623 (1997-07-01), Walters et al.

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