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- Title
Broadband Instantaneous Frequency Measurement Using Frequency-to-Time Mapping and Channelization.
- Authors
Li, Shaobo; Liu, Anni; Ma, Xiang; Yu, Wenqi; Liu, Yandan; Li, Yihan; Xing, Guansu
- 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.
- Subjects
MEASUREMENT errors; MICROWAVE measurements; MICROWAVE photonics; SIMULATION methods &; models; PROOF of concept
- Publication
Photonics, 2024, Vol 11, Issue 8, p697
- ISSN
2304-6732
- Publication type
Article
- DOI
10.3390/photonics11080697