FM radar apparatus

Communications: directive radio wave systems and devices (e.g. – Return signal controls external device – Radar mounted on and controls land vehicle

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Details

342109, 342111, 342112, 342196, G01S13/42;13/60

Patent

active

059054581

ABSTRACT:
An FM radar apparatus detects a distance to and/or a speed of a target not only from peak frequencies of beat signals in respective frequency rise and fall regions but also by reusing the peak frequency in the preceding frequency rise or fall region. As a result, it becomes possible to obtain target data at twice the conventional pitch and hence to detect the target more finely and minutely.

REFERENCES:
patent: 5274380 (1993-12-01), Yatsuka et al.
patent: 5448244 (1995-09-01), Komatsu et al.
patent: 5619208 (1997-04-01), Tamatsu et al.
patent: 5731778 (1998-03-01), Nakatani et al.
patent: 5757307 (1998-05-01), Nakatani et al.

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