Interfering noise pulse eliminator and its use in a dicke type r

Details Interfering noise pulse eliminator and its use in a dicke type r Interfering noise pulse eliminator and its use in a dicke type r

1982-04-26

1985-03-26

Blum, Theodore M.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

455224, G01S 1386, H04B 110

Patent

active

045076618

ABSTRACT:
An apparatus and method removes interfering noise pulses from low-level ro-frequency signals through the application of a video-frequency circuit which causes detection of interfering pulses above an automatically and dynamically established threshold voltage level. Upon detection of an interfering pulse a control signal activates a hold circuit causing the conventional radiometric circuit to be interrupted during the period of the occurrence of the interfering pulse, thereby blocking passage of the pulse, while simultaneously the voltage level of the video-frequency signal is held constant.

REFERENCES:
patent: 2860333 (1958-11-01), Flowers et al.
patent: 2868970 (1959-01-01), Aitken
patent: 2936451 (1960-05-01), Miller
patent: 3140443 (1964-07-01), Wimberly
patent: 3339144 (1967-08-01), Squires
patent: 3599207 (1971-08-01), Foiani et al.
patent: 3621401 (1971-11-01), Young, Jr. et al.
patent: 3939425 (1976-02-01), Toyoshima
patent: 3953802 (1976-04-01), Morris et al.
patent: 4246441 (1981-01-01), Sugai et al.

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