Microwave frequency measurement based on photonic sampling analog-to-digital conversion

Yangxue Ma; Zhiyao Zhang; Di Peng; Jinfang Zou; Yong Liu

doi:10.1117/12.2247835

4 November 2016 Microwave frequency measurement based on photonic sampling analog-to-digital conversion

Yangxue Ma, Zhiyao Zhang, Di Peng, Jinfang Zou, Yong Liu

Proceedings Volume 10026, Real-time Photonic Measurements, Data Management, and Processing II; 100260F (2016) https://doi.org/10.1117/12.2247835
Event: SPIE/COS Photonics Asia, 2016, Beijing, China

Abstract

A new microwave photonic approach to microwave frequency measurement with a high resolution and a large bandwidth is proposed. In this method, three photonic sampling analog-to-digital converters (ADCs) with co-prime sampling rates are employed. Three Fourier frequencies acquiring through down-converted analog-to-digital conversion of the unknown microwave signal are utilized to recovery the frequency of the unknown signal. The simulation results show that a microwave frequency measurement system which is feasible for multi-frequency microwave signal achieves a large measurement range of 0-50GHz and an accuracy of±1MHz. In addition, the spur-free dynamic range of 101.1dB-Hz^2/3@50GHz is also numerically demonstrated.

Citation Download Citation

Yangxue Ma, Zhiyao Zhang, Di Peng, Jinfang Zou, and Yong Liu "Microwave frequency measurement based on photonic sampling analog-to-digital conversion", Proc. SPIE 10026, Real-time Photonic Measurements, Data Management, and Processing II, 100260F (4 November 2016); https://doi.org/10.1117/12.2247835

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