FM-CW Fuze

Details FM-CW Fuze FM-CW Fuze

1967-03-16

1982-11-23

Hubler, Malcolm F.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

102214, 343 7PF, G01S 1332, F42C 1304

Patent

active

043608124

ABSTRACT:
In this disclosure is described a FM-CW radar distance measuring system. By onventional means a frequency modulated continuous wave signal is generated and transmitted toward a target. A sample of the transmitted signal is compared with the received target return signal in a mixer. A second sample of the transmitted signal which is delayed by an amount proportional to the time required for a signal to travel to the target and return is compared with the first sample in a second mixer. The outputs of the two aforementioned mixers are amplified and compared in a third mixer, and the Doppler component is selected for use in indicating the distance to the target.

REFERENCES:
patent: 3229286 (1966-01-01), Samuel et al.
patent: 3256520 (1966-06-01), Blitz
patent: 3419861 (1968-12-01), Resnik et al.

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