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Single site electromyograph amplitude estimation
IEEE Transactions on Biomedical Engineering, 1994Previous investigators have experimentally demonstrated and/or analytically predicted that temporal whitening of the surface electromyograph (EMG) waveform prior to demodulation improves the EMG amplitude estimate [1]-[6]. However, no systematic study of the influence of various whitening filters upon amplitude estimate performance has been reported ...
Edward A. Clancy, Neville Hogan
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Multiple site electromyograph amplitude estimation
IEEE Transactions on Biomedical Engineering, 1995Temporal whitening of individual surface electromyograph (EMG) waveforms and spatial combination of multiple recording sites have separately been demonstrated to improve the performance of EMG amplitude estimation. This investigation combined these two techniques by first whitening, then combining the data from multiple EMG recording sites to form an ...
Edward A. Clancy, Neville Hogan
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A nonlinear approach to estimate the amplitude of a signal
[Proceedings] ICASSP-92: 1992 IEEE International Conference on Acoustics, Speech, and Signal Processing, 1992The problem of estimating the amplitude of a signal appears in many aspects of signal processing such as, for example, amplitude modulation in communication theory. When the probability distribution of the noise is unknown, the calculation of the maximum likelihood estimator is impossible.
Pascal Bondon +2 more
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Amplitude estimation with application to system identification
1999 IEEE International Conference on Acoustics, Speech, and Signal Processing. Proceedings. ICASSP99 (Cat. No.99CH36258), 1999We investigate herein the problem of amplitude estimation of sinusoidal signals from observations corrupted by colored noise. A relatively large number of amplitude estimators are described which encompass least squares (LS) and weighted least squares (WLS) methods.
Petre Stoica +2 more
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Estimation of Current Amplitude Pulse
Advanced Materials Research, 2014Method of estimation of current amplitude (~10 kA) pulses constructed by powerful current pulse generator is suggested. It bases on the solution of differential equation current and voltage change on capacitor. The final formula consists of maximum value of capacitor charge, maximum negative voltage value, pulse duration and capacitor value.
Victor Gromov +6 more
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Variational estimate of a breakup amplitude
Physical Review C, 1983Estimates of the correction to the Born amplitude are obtained from a variational principle. A wave packet representation is used to provide an off-shell amplitude in a time-independent theory of collisions. The theory is applied numerically to a breakup reaction p+/sup 3/H..-->..p+n+d.
B. G. Giraud, M. A. Nagarajan
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Estimation of the amplitude of Nonlinear "Anticonvection"
Journal of Engineering Physics and Thermophysics, 2020In systems consisting of two immiscible liquids in the gravity force field, convective instability may set in not only on heating from below, but also on horizontal-homogeneous heating from above, i.e., on stable density stratification of each of the media.
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Exploring the Role of the Amplitude Envelope in Duration Estimation
Perception, 2014A sound's duration provides important information about the event producing it. Although many of the sounds we hear every day are ‘percussive’ in nature (ie resulting from two objects impacting) and therefore exhibit decaying/damped amplitude envelopes, perceptual experiments frequently use tones synthesized with ‘flat’ or abruptly ending envelopes ...
Guillaume T, Vallet +2 more
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Unscented Kalman Filter for frequency and amplitude estimation
2011 IEEE Trondheim PowerTech, 2011This paper introduces a new digital signal processing algorithm for frequency and amplitude estimation based on Unscented Kalman Filter (UKF). The results of computer simulated and realistic synthetic data tests are presented. The initial parameters used during the tests were chosen carefully using an established parameter estimation method, the Self ...
Gonzalez-Longatt, Francisco +4 more
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Estimates on the residue of the scattering amplitude
Asymptotic Analysis, 2002The author considers compactly supported perturbations of the semiclassical Laplacian \(-h^2\Delta\). Let \(z_0(h)\) be a simple resonance close to the real axis, that cannot approach the real axis more than exponentially fast, i.e. \(e^{-C/h} \leq \Im z(h)\). Under some assumptions it is shown that \(z_0(h)\) is also a pole of the scattering amplitude
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