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A Disambiguation Method for Dual-Comb Sampling Frequency Measurement Based on Phase Analysis

A disambiguation method for dual-comb sampling frequency measurement is proposed and experimentally demonstrated. For dual-comb sampling frequency measurement, multiple solutions may exist if only the frequency information of the output signal is employed for disambiguation. By further exploiting the phase relationship between the intermediate frequencies and the first harmonics of the two sampling rates, most of the ambiguous frequencies can be distinguished in our experiment. The experiment results also indicate that nonideal phase response of the devices will reduce the performance of the method especially in high frequencies. To solve the problem, an improved method, in which the variations of the phases are observed and used to solve the ambiguity, is given so that the method is free from the calibration of the nonideal phase response.

Ketersediaan

Informasi Detail

Judul Seri

JOURNAL OF LIGHTWAVE TECHNOLOGY; Vol.40 No.14 July 15 2022

No. Panggil

-

Penerbit

: .,

Deskripsi Fisik

p. 4674-4681

Bahasa

English

ISBN/ISSN

-

Klasifikasi

NONE

Tipe Isi

-

Tipe Media

-

Tipe Pembawa

-

Edisi

-

Subjek

OPTICAL SIGNAL PROCESSING
MICROWAVE PHOTONIC
FREQUENCY MEASUREMENT
ELECTRONIC WARFARE

Info Detail Spesifik

DOI: 10.1109/JLT.2022.3170080

Pernyataan Tanggungjawab

Xiangrui Li, Aijun Wen, Xiaoyang Li, Hao Zhuo, Jianzhang Zhao

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