Articles with "vmd" as a keyword



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Effect of water immersion on multi- and mono-metallic VMD.

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Published in 2018 at "Forensic science international"

DOI: 10.1016/j.forsciint.2017.12.020

Abstract: The use of vacuum metal deposition (VMD) for fingermark detection has been known for almost 40 years. The technique is applicable on a wide variety of substrates and on wetted items. Several publications compare the… read more here.

Keywords: water immersion; detection; vmd; effect water ... See more keywords
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Quality and protein degradation of golden pompano (Trachinotus blochii) fillets during four drying methods

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Published in 2020 at "Lwt - Food Science and Technology"

DOI: 10.1016/j.lwt.2020.109638

Abstract: Abstract Golden pompano (Trachinotus blochii) fillets were dehydrated by four drying methods including vacuum freeze (VFD), vacuum microwave (VMD), hot air (HAD), and microwave (MD) drying in this study. The quality, water distribution and states,… read more here.

Keywords: quality; protein degradation; vmd; golden pompano ... See more keywords
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A parameter-adaptive VMD method based on grasshopper optimization algorithm to analyze vibration signals from rotating machinery

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Published in 2018 at "Mechanical Systems and Signal Processing"

DOI: 10.1016/j.ymssp.2017.11.029

Abstract: Abstract The mode number and mode frequency bandwidth control parameter (or quadratic penalty term) have significant effects on the decomposition results of the variational mode decomposition (VMD) method. In the conventional VMD method, the values… read more here.

Keywords: mode; vibration; method; vmd method ... See more keywords
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Application of CSA-VMD and optimal scale morphological slice bispectrum in enhancing outer race fault detection of rolling element bearings

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Published in 2019 at "Mechanical Systems and Signal Processing"

DOI: 10.1016/j.ymssp.2018.12.022

Abstract: Abstract The bearing vibration signal with strong non-stationary properties is normally composed of multiple components (e.g. periodic impulses, background noise and other external signal), where periodic impulses relevant to bearing fault are easily contaminated by… read more here.

Keywords: signal; race fault; outer race; csa vmd ... See more keywords
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Periodic impulses extraction based on improved adaptive VMD and sparse code shrinkage denoising and its application in rotating machinery fault diagnosis

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Published in 2019 at "Mechanical Systems and Signal Processing"

DOI: 10.1016/j.ymssp.2019.02.056

Abstract: Abstract The presence of periodic impulses in vibration signals is a typical symptom of localized faults of rotating machinery. It is of great significance to study how to effectively extract the periodic impulses in vibration… read more here.

Keywords: rotating machinery; fault diagnosis; vmd; periodic impulses ... See more keywords
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VMD-Enabled Current-Based Fast Fault Detection Scheme for DC Microgrid

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Published in 2022 at "IEEE Systems Journal"

DOI: 10.1109/jsyst.2021.3057334

Abstract: The utilization of low-voltage direct current (LVdc) distribution system is gaining popularity in recent years due to its numerous advantages. However, the development of efficient fault detection scheme for an LVdc microgrid is a challenging… read more here.

Keywords: detection scheme; fault detection; scheme; fault ... See more keywords
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Designing Anti-Jamming Receivers for NR-DCSK Systems Utilizing ICA, WPD, and VMD Methods

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Published in 2019 at "IEEE Transactions on Circuits and Systems II: Express Briefs"

DOI: 10.1109/tcsii.2019.2891254

Abstract: In this brief, we consider an advanced noise reduction differential chaotic shift keying system in which a single antenna source communicates with a single antenna destination under the attack of a single antenna jammer. We… read more here.

Keywords: method; ica wpd; anti jamming; jamming ... See more keywords
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Bearing failure of reciprocating compressor sub-health recognition based on CAGOA-VMD and GRCMDE

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Published in 2022 at "Advances in Mechanical Engineering"

DOI: 10.1177/16878132221082975

Abstract: The bearing vibration signal of reciprocating compressor has complex, non-stationary, nonlinear, and feature coupling characteristics. A method for sub-health recognition of sliding bearings based on curve adaptive grasshopper optimization algorithm optimize the parameters of variational… read more here.

Keywords: recognition; health recognition; cagoa; sub health ... See more keywords
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EMD and VMD-GWO parallel optimization algorithm to overcome Lidar ranging limitations.

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Published in 2021 at "Optics express"

DOI: 10.1364/oe.415287

Abstract: Pulsed Lidar can obtain rich target information in one pulse, but the echo pulse signal is extremely susceptible to low laser transmitting power and complex target environments, resulting in an amplitude that is too low,… read more here.

Keywords: vmd gwo; vmd; emd vmd; lidar ... See more keywords
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A review on membrane applications and transport mechanisms in vacuum membrane distillation

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Published in 2017 at "Reviews in Chemical Engineering"

DOI: 10.1515/revce-2016-0050

Abstract: Abstract The main aim of this article is to provide a state-of-the-art review of the experimental studies on vacuum membrane distillation (VMD) process. An introduction to the history of VMD is carried out along with… read more here.

Keywords: vacuum membrane; review; vmd; membrane distillation ... See more keywords
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Mechanical Incipient Fault Detection and Performance Analysis Using Adaptive Teager-VMD Method

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Published in 2023 at "Applied Sciences"

DOI: 10.3390/app13106058

Abstract: For large rotating machinery with low speed and heavy load, the incipient fault characteristics of rolling bearings are particularly weak, making it difficult to identify them effectively by direct signal processing methods. To resolve this… read more here.

Keywords: fault; incipient fault; fault characteristics; teager ... See more keywords