Research and Improvement on Interrogational Strategy of Mode S Secondary Surveillance Radar
Usually,the traditional Secondary Surveillance Radar(SSR)works in mode A/C,and mode S SSR works in intermode to obtain response signals through different interrogation strategies.In practical appli-cation,it is found that there are special responders,and there is a missing problem for the intermode.An im-provement interrogation strategy is proposed on based on SSR standard of ICAO in this paper,by analyzing in-terrogation strategies of mode S SSR.This strategy resolves a track occasionally to lose when mode S is com-patible with traditional Mode A/C,and provides constructive suggestions for the application of mode S SSR.
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