High altitude pulse doppler fuze

Details High altitude pulse doppler fuze High altitude pulse doppler fuze

1970-11-20

1978-05-09

Tubbesing, T. H.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

F42C 1304

Patent

active

040890007

ABSTRACT:
A high altitude pulse doppler ordnance fuze which includes a plate pulsed cillator having an integrated loop antenna. A modulator coupled to the plate pulses the oscillator to provide main and secondary pulses. The main pulse produced in the oscillator is radiated to a target and the echo therefrom interacts with the secondary pulse produced in the oscillator to provide grid current variation indicative of doppler signal. Gate circuitry, including a differentiating circuit, monostable multivibrators, and a reset network, is responsive to the modulator output to gate a detector to detect the grid current variation and, therefore, obtain doppler information upon interaction of the echo and secondary pulse signals.

REFERENCES:
patent: 3603999 (1971-09-01), Palleiko
patent: 3833905 (1974-09-01), Apstein
patent: 4032918 (1977-06-01), Masin

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