Differential Lobing in Sidelobe Suppression Systems |
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| Authors: | Marchetti G Picchi G Verrazzani L |
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| Institution: | Centro di Studio per i Metodi e i Dispositivi di Radiotrasmissione Consiglio Nazionale delle Ricerche Via Diotisalvi 2, Pisa, Italy; |
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| Abstract: | The sidelobe suppression function in the secondary surveillance radar system is analyzed when separate main and control antenna are used. Their vertical lobing structures are not matched with each other, so a differential lobing pattern comes out whose maxima and minima are enveloped by smooth curves depending on vertical displacement of phase centers and horizon cutoff rates. The developed analysis provides a method for the evaluation of the system performance for any antenna configuration and for the determination of design guidelines. |
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