Browsing by Author "Dr Gianlucca Lazzi, Committee Member"

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    Investigations of Retrodirective Array Transponders.
    (2003-02-16) Shah, Rachana; Dr Michael Steer, Committee Chair; Dr Gianlucca Lazzi, Committee Member; Dr Griff Bilbro, Committee Member
    Retrodirective arrays, when illuminated by an interrogator signal, transmit a signal back towards the interrogator in the same direction as the incoming signal, without any prior knowledge of the source direction. With a retrodirective array the system efficiently transmits a signal without any digital signal processing. The added feature of being frequency autonomous allows it to transmit back at the same frequency as the incoming signal, without knowing the exact source frequency as well. The system is modelled using a system simulator from Elanix, SystemView Simulink. The system shows good retrodirectivity at various frequencies.