Frontiers of Optoelectronics, 2009, 2 (3): 269, 网络出版: 2012-10-08  

Q value analysis of microwave photonic filters

Q value analysis of microwave photonic filters
作者单位
1 Department of Physics, China University of Geosciences, Wuhan 430074, China
2 Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, China
摘要
Abstract
This paper first presents the fundamental principles of the microwave photonic filters. As an example to explain how to implement a microwave photonic filter, a specific finite impulse response (FIR) filter is illustrated. Next, the Q value of the microwave photonic filters is analyzed theoretically, and methods around how to gain high Q value are discussed. Then, divided into FIR filter, first-order infinite impulse response (IIR) filter, and multi-order IIR filter, several novel microwave photonic filters with high Q value are listed and compared. The technical difficulties to get high Q value in first-order IIR filter and multi-order IIR filter are analyzed concretely. Finally, in order to gain higher Q value, a multi-order IIR microwave photonic filter that easily extends its order is presented and discussed.

Lina ZHOU, Xinliang ZHANG, Enming XU. Q value analysis of microwave photonic filters[J]. Frontiers of Optoelectronics, 2009, 2(3): 269. Lina ZHOU, Xinliang ZHANG, Enming XU. Q value analysis of microwave photonic filters[J]. Frontiers of Optoelectronics, 2009, 2(3): 269.

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