Phase Fluctuation Cancellation for Uplink Radar Arrays Based on Passive Frequency Mixing

Precise time-difference detections among different radars in uplink radar arrays require ultrastable phase transfer in bidirectional analog optical fiber links. We propose and demonstrate a scheme based on passive frequency mixing to satisfy this requirement in which two continue wave (CW) radio fre...

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Main Authors: Zonglei Li, Lianshan Yan, Bin Luo, Wei Pan
Format: Article
Language:English
Published: IEEE 2018-01-01
Series:IEEE Photonics Journal
Subjects:
Online Access:https://ieeexplore.ieee.org/document/8318389/
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author Zonglei Li
Lianshan Yan
Bin Luo
Wei Pan
author_facet Zonglei Li
Lianshan Yan
Bin Luo
Wei Pan
author_sort Zonglei Li
collection DOAJ
description Precise time-difference detections among different radars in uplink radar arrays require ultrastable phase transfer in bidirectional analog optical fiber links. We propose and demonstrate a scheme based on passive frequency mixing to satisfy this requirement in which two continue wave (CW) radio frequency (RF) signals after passing through double-path of the transport fiber are utilized for dynamic phase fluctuation cancellation in uplink and downlink, respectively. Our scheme has the capabilities on stable phase transfers for both CW and pulsed RF signals. Experimental results show that the phase stability improvements in uplink and downlink are greater than a factor of 30 and a factor of 20 for 2.4-GHz RF signals over a 2-h measurement period along 25-km single mode fiber.
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publisher IEEE
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spelling doaj-art-babf5cb82af4475f8b064fc9cb5e7f4f2025-08-20T02:44:40ZengIEEEIEEE Photonics Journal1943-06552018-01-011021710.1109/JPHOT.2018.28157698318389Phase Fluctuation Cancellation for Uplink Radar Arrays Based on Passive Frequency MixingZonglei Li0https://orcid.org/0000-0002-2517-0394Lianshan Yan1Bin Luo2Wei Pan3Center for Information Photonics & Communications, School of Information Science and Technology, Southwest Jiaotong University, Chengdu, ChinaCenter for Information Photonics & Communications, School of Information Science and Technology, Southwest Jiaotong University, Chengdu, ChinaCenter for Information Photonics & Communications, School of Information Science and Technology, Southwest Jiaotong University, Chengdu, ChinaCenter for Information Photonics & Communications, School of Information Science and Technology, Southwest Jiaotong University, Chengdu, ChinaPrecise time-difference detections among different radars in uplink radar arrays require ultrastable phase transfer in bidirectional analog optical fiber links. We propose and demonstrate a scheme based on passive frequency mixing to satisfy this requirement in which two continue wave (CW) radio frequency (RF) signals after passing through double-path of the transport fiber are utilized for dynamic phase fluctuation cancellation in uplink and downlink, respectively. Our scheme has the capabilities on stable phase transfers for both CW and pulsed RF signals. Experimental results show that the phase stability improvements in uplink and downlink are greater than a factor of 30 and a factor of 20 for 2.4-GHz RF signals over a 2-h measurement period along 25-km single mode fiber.https://ieeexplore.ieee.org/document/8318389/Time/frequency disseminationradio over fiberuplink radar arraydownlink radar arrayclock synchronization
spellingShingle Zonglei Li
Lianshan Yan
Bin Luo
Wei Pan
Phase Fluctuation Cancellation for Uplink Radar Arrays Based on Passive Frequency Mixing
IEEE Photonics Journal
Time/frequency dissemination
radio over fiber
uplink radar array
downlink radar array
clock synchronization
title Phase Fluctuation Cancellation for Uplink Radar Arrays Based on Passive Frequency Mixing
title_full Phase Fluctuation Cancellation for Uplink Radar Arrays Based on Passive Frequency Mixing
title_fullStr Phase Fluctuation Cancellation for Uplink Radar Arrays Based on Passive Frequency Mixing
title_full_unstemmed Phase Fluctuation Cancellation for Uplink Radar Arrays Based on Passive Frequency Mixing
title_short Phase Fluctuation Cancellation for Uplink Radar Arrays Based on Passive Frequency Mixing
title_sort phase fluctuation cancellation for uplink radar arrays based on passive frequency mixing
topic Time/frequency dissemination
radio over fiber
uplink radar array
downlink radar array
clock synchronization
url https://ieeexplore.ieee.org/document/8318389/
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AT lianshanyan phasefluctuationcancellationforuplinkradararraysbasedonpassivefrequencymixing
AT binluo phasefluctuationcancellationforuplinkradararraysbasedonpassivefrequencymixing
AT weipan phasefluctuationcancellationforuplinkradararraysbasedonpassivefrequencymixing