A Clock Distribution and Synchronization Scheme Over Optical Links for Large-Scale Physics Experiments

Hu, Yang; Wang, Yonggang; Kuang, Jie; Wu, Bo

doi:10.1109/tns.2021.3070589

“…For high time resolution, it is crucial that the front-end electronics have high bandwidth and a high SNR. The time resolution of the FPGA-based TDC was found to be 3.9 ps in a previous work of ours [435]. We therefore implement the TDC that can measure narrow pulse widths, of which the time resolution will be better than 5 ps.…”

Section: Readout Electronicsmentioning

confidence: 93%

STCF conceptual design report (Volume 1): Physics & detector

Achasov

¹

,

Ai

²

,

An

³

et al. 2023

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Exaggerated anticipatory anxiety is common in social anxiety disorder (SAD). Neuroimaging studies have revealed altered neural activity in response to social stimuli in SAD, but fewer studies have examined neural activity during anticipation of feared social stimuli in SAD. The current study examined the time course and magnitude of activity in threat processing brain regions during speech anticipation in socially anxious individuals and healthy controls (HC). Method Participants (SAD n = 58; HC n = 16) underwent functional magnetic resonance imaging (fMRI) during which they completed a 90s control anticipation task and 90s speech anticipation task.

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“…The synchronization model proposed in this paper is based on the assumption of link symmetry, and the fiber asymmetry will introduce synchronization deviation. In order to reduce the asymmetry of optical fiber, a synchronization method using optical circulators has been proposed [28]. However, the high cost and large space limit its engineering application, which is unsuitable for CSNS.…”

Section: Reduction Of Optical Fiber Asymmetrymentioning

confidence: 99%

A clock synchronization and trigger distribution scheme for China Spallation Neutron Source

Li¹,

Cao²,

Wang³

et al. 2024

J. Inst.

0

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Exaggerated anticipatory anxiety is common in social anxiety disorder (SAD). Neuroimaging studies have revealed altered neural activity in response to social stimuli in SAD, but fewer studies have examined neural activity during anticipation of feared social stimuli in SAD. The current study examined the time course and magnitude of activity in threat processing brain regions during speech anticipation in socially anxious individuals and healthy controls (HC). Method Participants (SAD n = 58; HC n = 16) underwent functional magnetic resonance imaging (fMRI) during which they completed a 90s control anticipation task and 90s speech anticipation task.

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“…The key technology of our DAQ design is the unified fiber network between detector modules and the central control board. Benefiting from the powerful SerDes connector that modern FPGAs provide, the data transmission and clock distribution over one fiber connection is now available [19] for the PET DAQ system. The electronics performance test shows that such a fiber network can achieve 11 ps clock synchronization precision and a 2.5 Gbps data transmission rate, which is sufficient for the application of the PET scanner.…”

Section: Data Acquisition Systemmentioning

confidence: 99%

Development of a compact and cost-effective PET detector module for a small-animal PET system with FESA ASIC

Wang

¹

,

Wang

²

,

Zhang

³

et al. 2022

Get access via publisher Add to dashboard Cite

Exaggerated anticipatory anxiety is common in social anxiety disorder (SAD). Neuroimaging studies have revealed altered neural activity in response to social stimuli in SAD, but fewer studies have examined neural activity during anticipation of feared social stimuli in SAD. The current study examined the time course and magnitude of activity in threat processing brain regions during speech anticipation in socially anxious individuals and healthy controls (HC). Method Participants (SAD n = 58; HC n = 16) underwent functional magnetic resonance imaging (fMRI) during which they completed a 90s control anticipation task and 90s speech anticipation task.

show abstract

A Clock Distribution and Synchronization Scheme Over Optical Links for Large-Scale Physics Experiments

Cited by 10 publications

References 19 publications

STCF conceptual design report (Volume 1): Physics & detector

STCF conceptual design report (Volume 1): Physics & detector

A clock synchronization and trigger distribution scheme for China Spallation Neutron Source

Development of a compact and cost-effective PET detector module for a small-animal PET system with FESA ASIC

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