Velocity deception apparatus

Details Velocity deception apparatus Velocity deception apparatus

1983-09-22

1992-05-05

Barron, Jr., Gilberto

Communications: directive radio wave systems and devices (e.g.,

Radar ew

Ecm

328 55, 328155, 377 43, G01S 738, H03K 5159

Patent

active

051112060

ABSTRACT:
A velocity deception apparatus utilizes a serrodynable digital phase shifter of the Schiffman type where each cell of the phase shifter is driven by an output of a multi-bit counter whose clock input in turn is driven by a voltage-to-frequency converter which has a pulse train output which responds substantially instantaneously to the analog value of a linear or second order function which produces the desired frequency translation. In practice, this performs as a velocity gate stealer which produces slowly changing false doppler frequencies.

REFERENCES:
patent: 3636477 (1972-01-01), Selz
patent: 4297641 (1981-10-01), Sterzer
patent: 4338528 (1982-07-01), Wolkstein
B. M. Schiffmar, A New Class of Broadband Microwave 90.degree. Phase Shifters, IRE Tran. MTT, pp. 232-237, Apr. 1958.

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