Seismic attribute benchmarking on instantaneous frequency [PDF]
, 2019 The complex seismic trace analysis is a widely applied and versatile method for computing seismic attributes. Instantaneous frequency is an important complex trace attribute, and it is generally used for identifying specific seismic events, such as ...
Tjåland, Egil +5 more
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Evaluation of internal boundary surface using instantaneous frequency of ultrasonic pulse
Nihon Kikai Gakkai ronbunshu, 2015 An evaluation technique of internal boundary surface using instantaneous frequency of ultrasonic pulse is proposed. The instantaneous frequency represents a variation of the frequency of the ultrasonic pulse waveform from moment to moment. In this paper,
Takumi INOUE +2 more
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A new technique for instantaneous frequency rate estimation [PDF]
, 2002 This letter introduces a two-dimensional bilinear mapping operator referred to as the cubic phase (CP) function. For first-, second-, or third-order polynomial phase signals, the energy of the CP function is concentrated along the frequency rate law of ...
O'Shea, Peter J.
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Photonics-enabled sub-Nyquist radio frequency sensing based on temporal channelization and compressive sensing [PDF]
, 2014 A novel approach to sensing broadband radio frequency (RF) spectrum beyond the Nyquist limit based on photonic temporal channelization and compressive sensing is proposed.
Wang, Chao +3 more
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An instantaneous frequency analysis method of stay cables
Journal of Low Frequency Noise, Vibration and Active Control, 2021 This paper presents and evaluates in detail a conjugate-pair decomposition method for tracking the instantaneous frequency of a vibration signal by processing only three (or more) most recent data points, and Probability Box theory was employed to obtain
Rumian Zhong, P Frank Pai
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Wideband High-Speed and High-Accuracy Instantaneous Frequency Measurement System
IEEE Photonics Journal, 2023 A new photonic-assisted instantaneous frequency measurement system is presented. It overcomes the latency problem in the reported structures based on the frequency-to-time mapping technique or the frequency-to-power mapping technique that involves a long
Chongjia Huang +3 more
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An iterative method for instantaneous frequency estimation [PDF]
, 2021 In this paper, we propose an iterative method to estimate the instantaneous frequency of a signal based on the discrete evolutionary transform (DET). The DET provides a representation for non-stationary signals and a time-frequency kernel that permits us
Yalcin, M, Akan, A, Chaparro, LF
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Adaptive noise cancelling and time–frequency techniques for rail surface defect detection [PDF]
, 2015 Adaptive noise cancelling (ANC) is a technique which is very effective to remove additive noises from the contaminated signals. It has been widely used in the fields of telecommunication, radar and sonar signal processing.
Liang, B. +11 more
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Novel multivariate methods to track frequency shifts of neural oscillations in EEG/MEG recordings
NeuroImage, 2023 Instantaneous and peak frequency changes in neural oscillations have been linked to many perceptual, motor, and cognitive processes. Yet, the majority of such studies have been performed in sensor space and only occasionally in source space. Furthermore,
C. Vidaurre +7 more
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A Comparison of Different Techniques for Induction Motor Rotor Fault Diagnosis [PDF]
, 2012 The problem of failures in induction motors is a large concern due to its significant influence over industrial production. Therefore a large number of detection techniques were presented to avoid this problem.
Gu, Fengshou +5 more
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