Results 101 to 110 of about 3,095,615 (291)
Shock and Vibration, 2016 Shock pulse method is a widely used technique for condition monitoring of rolling bearing. However, it may cause erroneous diagnosis in the presence of strong background noise or other shock sources. Aiming at overcoming the shortcoming, a pulse adaptive
Jinbao Yao, Baoping Tang, Jie Zhao
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Diagnosis of bolt loosening using reflected ultrasonic pulse
Nihon Kikai Gakkai ronbunshu, 2019 Diagnosis of the bolt loosening is important in the industrial field and the medical field such as dental implants. This study proposes a new non-destructive testing method for the bolt loosening using ultrasonic pulse projected to the side of the bolt ...
Ren KADOWAKI, Shoki IKEDA, Takumi INOUE
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An instantaneous frequency-based computation of transparent motion [PDF]
We extend the principle of phase-based techniques for measuring optical flow and binocular disparity to multiple motion estimation. Using quadrature filter pairs, we estimate phase gradients (instantaneous frequency) from independent bandpass channels ...
Atherton, T. J. +2 more
core
Advanced Functional Materials, EarlyView.We present a scalable EC/TC hybrid smart window using a DCPE that enables tunable solar modulation (ΔTsol:15–43%), fast electrochromic switching (<90 s), and strong thermal blocking (10–14°C reduction). HPMC improves thermal stability, while an optimized ISL enhances EC performance.
Soyeon Kim +4 more
wiley +1 more source
Instantaneous Frequency Estimation Using Stochastic Calculus and Bootstrapping
EURASIP Journal on Advances in Signal Processing, 2005 Stochastic calculus methods are used to estimate the instantaneous frequency of a signal. The frequency is modeled as a polynomial in time. It is assumed that the phase has a Brownian-motion component. Using stochastic calculus, one is able to develop a
Abutaleb A
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, 2002 An adaptive approach to the estimation of the instantaneous frequency (IF) of nonstationary mono- and multicomponent FM signals with additive Gaussian noise is presented. The IF estimation is based on the fact that quadratic time-frequency distributions (
Boashash, Boualem +3 more
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Advanced Functional Materials, EarlyView.A gradient‐engineered all‐paper sensor is fabricated by integrating MXene and in situ grown AgNPs within hierarchical cellulose networks. The device breaks the sensitivity–detection range trade‐off through cascaded conductive pathways, enabling ultrahigh pressure sensitivity, humidity–pressure decoupled dual‐mode sensing, and outstanding EMI shielding,
Ao Li +7 more
wiley +1 more source
Time-dependent estimates of concentration mean and variance for replicated instantaneous heavy gas releases [PDF]
, 1991 This report presents sets of time-dependent estimates of concentration mean, standard deviation and variance for a series of replicated instantaneous releases of heavy gas carried out in a wind tunnel at Warren Spring Laboratory.
Goodall, GW
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Real-Time Wave Energy Converter Control Using Instantaneous Frequency
Applied SciencesWave Energy Converters (WECs) rely on effective Power Take-Off (PTO) control strategies to maximize energy absorption under dynamic sea conditions.
Inyong Kim +5 more
doaj +1 more source
Retracted: Automatic Music Classification Model Based on Instantaneous Frequency and CNNs in High Noise Environment. [PDF]
J Environ Public Health, 2023 Environmental And Public Health JO.
europepmc +1 more source