Process and device for correlation for use in a doppler radar in

Details Process and device for correlation for use in a doppler radar in Process and device for correlation for use in a doppler radar in

1975-09-22

1977-08-23

Moskowitz, Nelson

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

340 155SC, G01S 902, G01S 728

Patent

active

040443566

ABSTRACT:
In a double correlation device incorporated in a radar installation for muring distance, the transmitted high-frequency signal is modulated, by frequency displacement, by a series of pseudo-random pulses. The first correlation is carried out between each pulse of the series and a delayed version of the series, the delay being chosen to correspond to the distance zone to be swept. The resulting signal undergoes a second correlation with the signal received after reflection from the target and controls a switch in order to deduce information on the distance investigated.

REFERENCES:
patent: 3577144 (1971-05-01), Girault
patent: 3889261 (1975-06-01), Sirven
patent: 3906213 (1975-09-01), Meriauk et al.

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