A New Frequency Agility Technique against Common-Frequency Interference

Bo Lv; Si Yang Liang; Lin Shi

doi:10.4028/www.scientific.net/AMM.701-702.261

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 701-702A New Frequency Agility Technique against...

A New Frequency Agility Technique against Common-Frequency Interference

Abstract:

Aiming at the problem of common-frequency interference among gun-pointing radars, frequency agility technique was introduced. The reason why existing technique of frequency agility can’t investigate and identify common-frequency interference effectively was analyzed. A new frequency agility technique based on auxiliary channel and full-time reconnaissance and receiving is presented. Auxiliary channel investigates and identifies environmental signals full-time not intermittent, then uses microwave cancellation technique to eliminate local radar’s emission pulses. As a result, when auxiliary channel amplitude is greater than the main channel, it must be common-frequency interference. The above measures guarantee the accurate identification of common-frequency interference.