Radar apparatus

Details Radar apparatus Radar apparatus

2006-07-31

2009-02-24

Tarcza, Thomas H (Department: 3662)

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

Determining distance

C342S147000

Reexamination Certificate

active

07495605

ABSTRACT:
A radar apparatus includes a receiving means that receives a reflected signal, a beat signal generation means that generates beat signals based on the reflected signal, a correlation matrix generation means that calculates correlation matrices based on the beat signals, a storing means that stores previous correlation matrices, an addition means that calculates addition correlation matrices by adding the correlation matrices to the previous correlation matrices, a detection means that detects a frequency component satisfying a predetermined condition by using the beat signals, an extraction means that extracts an extraction matrix corresponding to the detected frequency from the addition correlation matrices, and a direction calculation means that calculates a direction of the object with respect to the radar apparatus based on the extraction matrix.

REFERENCES:
patent: 6121917 (2000-09-01), Yamada
patent: 6646589 (2003-11-01), Natsume
patent: 2001/0015698 (2001-08-01), Tokoro
patent: 2003/0052813 (2003-03-01), Natsume

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