Pulse doppler radar receiver having a moving curve transit time

Details Pulse doppler radar receiver having a moving curve transit time Pulse doppler radar receiver having a moving curve transit time

1976-07-29

1977-10-18

Tubbesing, T.H.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

G01S 942

Patent

active

040548724

ABSTRACT:
A pulse Doppler radar receiver has a moving curve transit time filter which provides a differentiating effect, whereby in order to avoid interferences due to overdriving ahead of the moving curve filter, the reception signals are limited temporarily, preferably with the help of an analog-digital converter, and specially produced auxiliary voltage values are inserted during the duration of limitation, as signal voltages, which are to be processed. The auxiliary voltage values are formed of the original signal path which is provided before limitation in such a way that, during limitation, the original voltage values are changed by an opposite voltage to such an extent that the remaining auxiliary voltage values do not cause overdriving, and the envelope of the original signal path is thereby maintained.

REFERENCES:
patent: 3950748 (1976-04-01), Busy

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