Radar indicators with digital processing of video signal

Details Radar indicators with digital processing of video signal Radar indicators with digital processing of video signal

1979-07-30

1982-05-18

Hubler, Malcolm F.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

G01S 706

Patent

active

043307817

ABSTRACT:
The invention relates to an improvement in radar indicators with digital processing of the signal wherein the raw video signal is firstly digitized and stored in temporary memories for subsequent readout at a rate lower than the writing rate, and for some ranges the readout is repeated for more than one time; further for long ranges it includes a pulse stretcher for increasing the brightness of faraway targets; and finally an anti-interference digital processing including a non-linear transfer function of the digitized video signal which is then converted back into analogue video signal for display.

REFERENCES:
patent: 3653042 (1972-03-01), Molho
patent: 3683373 (1972-08-01), Barnes et al.
patent: 4068233 (1978-01-01), Pease et al.
patent: 4107673 (1978-08-01), Gross et al.
patent: 4206461 (1980-06-01), Pease et al.
patent: 4208657 (1980-06-01), Bryden et al.
Safety at Sea, Sep. 1978, "Multiscan for More Information", pp. 45,46.

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