Contiguous subcarrier barrage jamming method and apparatus

Details Contiguous subcarrier barrage jamming method and apparatus Contiguous subcarrier barrage jamming method and apparatus

1968-04-12

1997-04-22

Sotomayor, John B.

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

Radar ew

Ecm

G01S 738, H04K 300

Patent

active

056232667

ABSTRACT:
A method and apparatus for providing a radar jamming signal by simultaneously frequency-modulating a voltage-tunable oscillator with a large-amplitude, periodic, sawtooth waveform and a small-amplitude random waveform. The periodic, sawtooth modulation produces a series of radio frequency spectral lines (subcarriers) of nearly uniform amplitude over a frequency range proportional to the peak-to-peak sawtooth amplitude. The spacing between adjacent subcarriers is equal to the fundamental sawtooth frequency. The secondary random modulation added to the primary sawtooth modulation produce simultaneous, random, frequency modulation of each of the subcarriers created by the primary modulation.

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