Dual-mode structure digital repetitive control

Automatica ◽  
2007 ◽  
Vol 43 (3) ◽  
pp. 546-554 ◽  
Author(s):  
Keliang Zhou ◽  
Danwei Wang ◽  
Bin Zhang ◽  
Yigang Wang ◽  
J.A. Ferreira ◽  
...  
Author(s):  
Zhou Keliang ◽  
Wang Danwei ◽  
Zhang Bin ◽  
Wang Yigang

2009 ◽  
Vol 56 (3) ◽  
pp. 784-791 ◽  
Author(s):  
Keliang Zhou ◽  
Danwei Wang ◽  
Bin Zhang ◽  
Yigang Wang

2020 ◽  
Vol 20 (2) ◽  
pp. 91-95
Author(s):  
Youngje Sung

In this paper, a dual-mode bandpass filter that operates in two different bands is proposed. A circular patch with a small circular hole is set as the basic resonator, and, as the circular hole moves, the linewidth of the ring resonator becomes non-uniform. Consequently, the ring resonator is structurally asymmetric and exhibits a dual-mode characteristic. A gap is formed in the middle of the resonator, a pair of inductors and capacitors is applied to the gap, and the proposed dual-mode structure operates as a dual-band filter. The first resonant frequency <i>f</i><sub>1</sub> is determined by the inductor and capacitor values, and the second resonant frequency <i>f</i><sub>2</sub> is determined by the capacitor values. In addition, the frequency ratio (<i>f</i><sub>2</sub>/<i>f</i><sub>1</sub>) can be adjusted by an appropriate combination of inductor and capacitor values.


2020 ◽  
Vol 67 (6) ◽  
pp. 4946-4956
Author(s):  
Peiling Cui ◽  
Guoxi Zhang ◽  
Zhiyuan Liu ◽  
Bangcheng Han ◽  
Qirui Wang

2020 ◽  
Vol 20 (24) ◽  
pp. 14713-14721
Author(s):  
Jinlei Li ◽  
Gang Liu ◽  
Peiling Cui ◽  
Shiqiang Zheng ◽  
Xi Chen

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