Doppler radar type speedometer

Details Doppler radar type speedometer Doppler radar type speedometer

1982-05-19

1985-07-02

Tubbesing, T. H.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

343 5DP, G01S 1360

Patent

active

045271607

ABSTRACT:
A Doppler radar type speedometer capable of speed detection without a detection error comprises a Doppler radar signal processing circuit which includes a random access memory. In the circuit, the levels "1" of Doppler radar pulses of individual frequencies are added to the contents of the random access memory which stores the resultant data therein, so that the pulse width can be detected which is provided by the number of levels "1" at the most significant bits of the results stored in the addresses corresponding to a n/2-th output pulse signal of a predetermined number n of output pulse signals arranged in order of pulse widths.

REFERENCES:
patent: 3898653 (1975-08-01), Ban et al.
patent: 4107680 (1978-08-01), Kaplan
patent: 4319245 (1982-03-01), Mawhinney
patent: 4335383 (1982-06-01), Berry
patent: 4359734 (1982-11-01), Bachman

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