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Photonics
Volume 11
Issue 8
10.3390/photonics11080697
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This is an early access version, the complete PDF, HTML, and XML versions will be available soon.
Article

Broadband Instantaneous Frequency Measurement Using Frequency-to-Time Mapping and Channelization

by
Shaobo Li
1,2,3,
Anni Liu
1,2,
Xiang Ma
1,2,
Wenqi Yu
1,2,
Yandan Liu
1,2,
Yihan Li
3 and
Guansu Xing
1,2,*
1
China Electronics Technology Group Corporation 54th, Shijiazhuang 050299, China
2
Hebei Key Laboratory of Photonic Information Technology and Application (PITA), Shijiazhuang 050299, China
3
School of Electrical and Information Engineering, Beihang University, Beijing 100191, China
*
Author to whom correspondence should be addressed.
Photonics 2024, 11(8), 697; https://doi.org/10.3390/photonics11080697 (registering DOI)
Submission received: 15 June 2024 / Revised: 25 July 2024 / Accepted: 25 July 2024 / Published: 27 July 2024
(This article belongs to the Topic The Extended Technological Platform Based on Optics and Microwaves: Conventional and Hybrid Solutions)
Review Reports Versions Notes

Abstract

A photonic instantaneous microwave frequency measurement scheme based on frequency-to-time mapping and channelization is proposed. An unknown signal is divided into four channels and mixed with a broadband linear frequency-modulated signal. The frequency information is converted to the time domain, and the frequency measurement range has been expanded due to channelization. A simulation system has been constructed to demonstrate the effectiveness of the proposed method. A proof-of-concept experimental result shows that the frequency measurement errors can be kept in 20 MHz with a 10 MHz resolution, and the frequency measurement range is 1 GHz to 39 GHz.
Keywords: microwave frequency measurement; channelization; Optisystem; microwave photonics microwave frequency measurement; channelization; Optisystem; microwave photonics

Share and Cite

MDPI and ACS Style

Li, S.; Liu, A.; Ma, X.; Yu, W.; Liu, Y.; Li, Y.; Xing, G. Broadband Instantaneous Frequency Measurement Using Frequency-to-Time Mapping and Channelization. Photonics 2024, 11, 697. https://doi.org/10.3390/photonics11080697

AMA Style

Li S, Liu A, Ma X, Yu W, Liu Y, Li Y, Xing G. Broadband Instantaneous Frequency Measurement Using Frequency-to-Time Mapping and Channelization. Photonics. 2024; 11(8):697. https://doi.org/10.3390/photonics11080697

Chicago/Turabian Style

Li, Shaobo, Anni Liu, Xiang Ma, Wenqi Yu, Yandan Liu, Yihan Li, and Guansu Xing. 2024. "Broadband Instantaneous Frequency Measurement Using Frequency-to-Time Mapping and Channelization" Photonics 11, no. 8: 697. https://doi.org/10.3390/photonics11080697

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