Pulse radar apparatus

Communications: radio wave antennas – Antennas – Balanced doublet - centerfed

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343 7A, G01S 744

Patent

active

040140180

ABSTRACT:
A receiver for a pulse radar apparatus has a pulse length discriminator in which the amplitude of the received radar signals after detection is sampled at a rate such that there would be a plurality of samples, e.g. 4 to 12 samples in the time duration corresponding to the transmitted pulse length. Processing means are provided giving an output only when the number of successive samples having a predetermined amplitude lies between predetermined limits, e.g. not less than 4 and not greater than 8.

REFERENCES:
patent: 3168732 (1965-02-01), Bretscher
patent: 3349395 (1967-10-01), Carre et al.
patent: 3353177 (1967-11-01), Wilmot
patent: 3430235 (1969-02-01), Bender et al.
patent: 3441932 (1969-04-01), Hamill et al.
patent: 3710384 (1973-01-01), Ashcraft

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