光电子快报(英文版), 2014, 10 (5): 374, Published Online: Oct. 12, 2017
Instantaneous microwave frequency measurement based on hybrid microwave photonic filter
Abstract
A novel photonic technique for instantaneous microwave frequency measurement based on hybrid microwave photonic filter (HMPF) is proposed and experimentally demonstrated. The HMPF is composed of an all-pass filter and a band-pass filter with negative coefficients. By properly controlling the power relationship between the all-pass filter and the band-pass filter, the HMPF can realize a monotonic frequency response, and then a unique relationship between the output power and the input frequency is established. A high measurement resolution can be achieved for a given frequency range.
XU En-ming, WANG Qi, WANG Fei, LI Pei-li. Instantaneous microwave frequency measurement based on hybrid microwave photonic filter[J]. 光电子快报(英文版), 2014, 10(5): 374.