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  • RFID Tag Design Using Spiral Resonators and Defected Ground Structure 

    Veysi, M.; Ahmadi, A.; Karimi, G.; Lalbakhsh, A. (Společnost pro radioelektronické inženýrství, 2017-12)
    This paper presents a simple generalized approach to design a compact chipless radio frequency identification tag. The proposed chipless tag encodes data into the spectral signature using a set of spiral resonators on both ...
  • Sharp Response Microstrip LPF using Folded Stepped Impedance Open Stubs 

    Makki, S. V.; Ahmadi, A.; Majidifar, S.; Sariri, H.; Rahmani, Z. (Společnost pro radioelektronické inženýrství, 2013-04)
    A novel microstrip lowpass filter with high selectivity and wide stopband is proposed that comprises two lateral folded open stubs and a central mirrored semi-circle ended suppressing cell. The proposed filter has cut-off ...