FM-CW radar

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

342 71, 342100, G01S 1393

Patent

active

052743802

ABSTRACT:
A switching type FM-CW radar, the type of FM-CW radar improved to reduce FM-AM conversion noise, is further improved to reduce interference by radar waves from other vehicles and echo waves returned from them. A switching circuit is provided at the transmitter side, and its switching frequency is set at a different value for each individual vehicle. Furthermore, the switching frequency of an interfering wave is measured, in accordance with which the switching frequency of the switching circuit is changed.

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patent: 4901083 (1990-02-01), May et al.
patent: 5087918 (1992-02-01), May et al.
patent: 5134411 (1992-07-01), Adler
patent: 5181037 (1993-01-01), Komatsu

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