00924nam a2200205Ia 4500 CTU_165802 210402s9999 xx 000 0 und d 143.14 621.38132 C454 Chang, Kai Microwave ring circuits and related structures Kai Chang, Lung-Hwa Hsieh Hoboken, N.J J. Wiley 2004 For the past three decades, the ring resonator has been widely used in such applications as measurements, filters, oscillators, mixers, couplers, power dividers/combiners, antennas, and frequency-selective surfaces, to name just a few. The field has continued to expand, with many new analyses, models, and applications recently reported. Microwave circuits,Microwave antennas,Mạch vi ba,Anten vi ba HLoan,Qhieu Trung tâm Học liệu Trường Đại học Cần Thơ