2021
DOI: 10.1088/1361-6501/abe741
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A signal analysis and identification scheme for an online multiphase micron-sized particle analyzer system

Abstract: Online microparticle detection is of utmost importance for industrial production. This paper proposes a signal processing and feature identification strategy to achieve particle size statistics for online measurement in a three-phase stirred tank reactor based on the electrical sensing zone (ESZ) method. Signal denoising and de-interference are achieved using the wavelet soft threshold method combined with mathematical morphological filtering. Pulse selection is implemented using pulse width limiting condition… Show more

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Cited by 7 publications
(2 citation statements)
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“…Since Rx has been adjusted to make R X → R 12 , equation ( 7) can be approximately equivalent to equation (8),…”
Section: Calculation Of the Particle Size Using The Wheatstone Bridgementioning
confidence: 99%
See 1 more Smart Citation
“…Since Rx has been adjusted to make R X → R 12 , equation ( 7) can be approximately equivalent to equation (8),…”
Section: Calculation Of the Particle Size Using The Wheatstone Bridgementioning
confidence: 99%
“…However, modern analogue and digital signal processing technologies cannot process low-SNR pulses. This is because various filtering methods, such as adaptive filtering [6], wavelet denoising [7,8], Hilbert-Huang transform denoising [9], and Kalman filtering [10], can also suppress pulse signals while filtering noise, thus leading to signal distortion.…”
Section: Introductionmentioning
confidence: 99%