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Wide-range tracking technique for process-variation-robust clock and data recovery applications Article

Jun-sheng LV, You LI, Yu-mei ZHOU, Jian-zhong ZHAO, Hai-hua SHEN, Feng ZHANG

Frontiers of Information Technology & Electronic Engineering 2017, Volume 18, Issue 5, Pages 729-737 doi: 10.1631/FITEE.1500410

Abstract: A wide-range tracking technique for clock and data recovery (CDR) circuit is presented.The re-timed and re-multiplexed serial data has a root-mean-square jitter of 6.7 ps.

Keywords： Clock and data recovery Digital loop filter Phase interpolator

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SA-RSR: a read-optimal data recovery strategy for XOR-coded distributed storage systems Research Articles

Xingjun ZHANG, Ningjing LIANG, Yunfei LIU, Changjiang ZHANG, Yang LI

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 6, Pages 858-875 doi: 10.1631/FITEE.2100242

Abstract: In this paper, we propose a random search recovery algorithm, named SA-RSR, to speed up recovery of .SA-RSR uses a simulated annealing technique to search for an optimal recovery solution that reads andtransmits a minimum amount of data.Experimental results in Ceph show that SA-RSR reduces the amount of data required for recovery by upto 30.0% and improves the performance of by up to 20.36% compared to the conventional recovery method

Keywords： Distributed storage system Data reliability and availability XOR-based erasure codes Single-node failure Data recovery

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High-payload completely reversible data hiding in encrypted images by an interpolation technique Article

Di XIAO, Ying WANG, Tao XIANG, Sen BAI

Frontiers of Information Technology & Electronic Engineering 2017, Volume 18, Issue 11, Pages 1732-1743 doi: 10.1631/FITEE.1601067

Abstract: We present a new high-payload joint reversible data-hiding scheme for encrypted images.Instead of embedding data in the encrypted image directly, the content owner first uses an interpolationNext, the data hider embeds the additional data through flipping the most significant bits (MSBs) ofAt the receiver side, before extracting the additional data and reconstructing the image, the receiverextraction and image recovery are free of error.

Keywords： Encrypted image Data hiding Image recovery Real reversibility Interpolation

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Consistency of MGEX Orbit and Clock Products Article

Peter Steigenberger, Oliver Montenbruck

Engineering 2020, Volume 6, Issue 8, Pages 898-903 doi: 10.1016/j.eng.2019.12.005

Abstract: analysis centers of the Multi-GNSS Pilot Project of the International GNSS Service provide orbit and clockThe clock consistency is about 2 cm for GPS, 5 cm for GLONASS and Galileo, and 10 cm for BeiDou-2.

Keywords： system International GNSS Service Multi-GNSS Pilot Project Precise orbit determination Satellite clock

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Improved resilience measure for component recovery priority in power grids

Frontiers of Engineering Management 2021, Volume 8, Issue 4, Pages 545-556 doi: 10.1007/s42524-021-0161-5

Abstract: Consequently, the quick recovery of power grids after disasters has become a new research direction.The recovery priority of failed components after a disaster is determined according to the influenceFinally, based on the data from the 2019 Power Yearbook of each city in Shandong Province, China, theResult shows that the recovery priorities of components with different importance measures vary.

Keywords： resilience measure power grid importance measure component recovery

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Technologies for pollutant removal and resource recovery from blackwater: a review

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 7, doi: 10.1007/s11783-023-1683-3

Abstract:

● Blackwater is the main source of organics and nutrients in domestic wastewater.

Keywords： Blackwater Water-flushing toilet Sanitation Nutrient recovery Water reuse Sustainable development

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Dissolved methane in anaerobic effluent: Emission or recovery?

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 4, doi: 10.1007/s11783-022-1537-4

Abstract: Although several dissolved methane recovery methods have been developed, their engineering feasibilityperspective, we thus intend to offer additional insights into the cost-benefit of dissolved methane recovery

Keywords： Anaerobic treatment Municipal wastewater Dissolved methane Methane recovery Carbon emission

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Power-efficient dual-edge implicit pulse-triggered flip-flop with an embedded clock-gating scheme Article

Liang GENG,Ji-zhong SHEN,Cong-yuan XU

Frontiers of Information Technology & Electronic Engineering 2016, Volume 17, Issue 9, Pages 962-972 doi: 10.1631/FITEE.1500293

Abstract: A novel dual-edge implicit pulse-triggered flip-flop with an embedded clock-gating scheme (DIFF-CGS)is proposed, which employs a transmission-gate-logic (TGL) based clock-gating scheme in the pulse generationThis scheme conditionally disables the inverter chain when the input data are kept unchanged, so redundanttransitions of delayed clock signals and internal nodes of the latch are all eliminated, leading toimprovement of 41.39% to 56.21% in terms of power consumption, compared with its counterparts at 10% data-switching

Keywords： Low power Flip-flop Implicit Clock-gating scheme Dual-edge

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China Launched the First Wastewater Resource Recovery Factory in Yixing

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 1, doi: 10.1007/s11783-021-1496-1

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Highly selective and green recovery of lithium ions from lithium iron phosphate powders with ozone

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 6, Pages 749-758 doi: 10.1007/s11705-022-2261-0

Abstract: contain high-value metals other than lithium, it is therefore necessary to strike a balance between recoveryHere, we describe a selective recovery process that can achieve economically efficient recovery and anAdjusting the acid concentration and amount of oxidant enables selective recovery of lithium ions.

Keywords： lithium iron phosphate powder stoichiometric number selective leaching lithium recovery

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Design and simulation of a standing wave oscillator based PLL

Wei ZHANG,You-de HU,Li-rong ZHENG

Frontiers of Information Technology & Electronic Engineering 2016, Volume 17, Issue 3, Pages 258-264 doi: 10.1631/FITEE.1500210

Abstract: A standing wave oscillator (SWO) is a perfect clock source which can be used to produce a high frequencyclock signal with a low skew and high reliability.This PLL can be used not only as a clock source, but also as a clock distribution network to providehigh quality clock signals.

Keywords： Standing wave oscillator (SWO) Clock distribution Phase locked loop (PLL) Varactor

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“NEW” resource recovery from wastewater using bioelectrochemical systems: Moving forward with functions

Akshay Jain, Zhen He

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 4, doi: 10.1007/s11783-018-1052-9

Abstract:

Resource recovery from wastewater is a key function of bioelectrochemical

Keywords： Bioelectrochemical systems Resource recovery Wastewater treatment Energy Nutrients

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Sustainability of metal recovery from E-waste

Biswajit Debnath, Ranjana Chowdhury, Sadhan Kumar Ghosh

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 6, doi: 10.1007/s11783-018-1044-9

Abstract:

Metal recovery techniques from electronic waste reported in literature

Metal recovery processes followed in Industries

Sustainability analysis of metal recovery processes

Keywords： E-waste Metal recovery Metal Recovery from E-waste (MREW) Sustainability

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Creep and recovery behaviors of magnetorheological elastomers

Weihua LI, Yang ZHOU, Tongfei TIAN, Gursel ALICI,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 3, Pages 341-346 doi: 10.1007/s11465-010-0096-8

Abstract: This paper presents experimental and modeling study of creep and recovery behaviors of magneto-rheological

Keywords： magneto-rheological elastomers (MREs) creep recovery linear viscoelastic model

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Two Ways Pseudo Range Time Synchronization for Navigation Satellite Clock

Tan Shusen

Strategic Study of CAE 2006, Volume 8, Issue 12, Pages 70-74

Abstract:

Aiming at the demand of time synchronization, the navigation satellite two-way clock pseudo rangeComparing with other navigation satellite clock synchronization ways, this way was provided with advantagesthe first section of the paper the meaning and status of time synchronization of navigation satellite clockThe error of the navigation satellite clock synchronization affects users' position and precisionThe difference between them is clock bias.

Keywords： navigation satellite pseudo range time synchronization