nonlinear frequency-domain methods
Study Of Nonlinear SSI Analysis Of Concrete Shear Wall Buildings Using Time Domain And Frequency Domain Approaches
... Figure 10 shows comparison of shear strain time histories of LS-DYNA and ACS SASSI for panels 1 and 9. The shear strains are calculated in LS-DYNA by using displacement at four corner points of each panel. The panel 1 is ...
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Frequency-domain analysis for nonlinear systems with time-domain model parameter uncertainty
... the frequency-domain is the characterisation of ...based methods for analysing uncertainty in the frequency- domain ...similar methods have not yet been developed for analysing ...
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Frequency-Domain Nonlinear Behavioral Modeling Using The Arithmetic Operator Method
... subspace methods [34] to simulate a large-scale circuit ...solver methods [40, ...Galerkin methods has previously been reported in other fields ...Krylov methods, when the input stimulus was ...
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Recent Applications and Advances of Numerical Modeling and Wavefield Inversion in Nondestructive Testing
... version methods considered in this presentation vary from linear schemes, like the Synthetic Aperture Radar (SAR) applied electromagnetics and the Synthetic Aperture Fo- cussing Technique (SAFT) as its counterpart ...
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The Effect of Circuit Training on Resting Heart Rate Variability, Cardiovascular Disease Risk Factors and Physical Fitness in Healthy Untrained Adults
... linear methods (time- and frequency-domain) but these means resulted in loss of information on the dynamic patterns used by cardiovascular regulation systems to adjust heart rate (HR) and blood ...
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Bifurcations for A Single Mode Laser Model with Time Delay in Frequency Domain Methods
... the nonlinear system, in the time domain, assumes a purely imaginary value iω 0 at a particular τ = τ 0 , then the corresponding eigenvalue of the constant matrix G ( iω 0 ; τ 0 ) J ( τ 0 ) in the ...
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Evaluation of forecasting methods from selected stock market returns
... Recently, frequency-domain models, such as spectral analysis, wavelets, and Fourier transformations, have been proposed to improve the forecasting accuracy of financial time ...purely nonlinear ...
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Nonlinear Versatile Tools for Heart Rate Variability Prediction andDiagnosis
... the methods of analysis in the time and frequency domain, there are nonlinear methods which have been demonstrated to extremely useful due to the nonstationary characteristics of HRV ...
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Study on Evaluation Model of Activity and Balance of Autonomic Nervous System Based on AHP
... analysis methods of HRV include time domain analysis, frequency domain analysis and nonlinear ...high frequency components (HF) reflects the PNS level. The low frequency ...
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Evaluation of output frequency responses of nonlinear systems under multiple inputs
... output frequency responses of nonlinear systems under multiple inputs based on the system frequency-domain ...output frequency responses can only be achieved using both system models ...
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Use Of The Hybrid Laplace-Time FEM-BEM Coupling Method In Nonlinear SSI Studies
... hybrid methods, the complete soil-structure system is decomposed into two subdomains which are independently ...hybrid methods is to consider that all nonlinear phenomena are developed in the bounded ...
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Systolic blood pressure but not electrocardiogram QRS duration is associated with heart rate variability (HRV): a cross-sectional study in rural Australian non-diabetics
... outliers); frequency domain, time domain and nonlinear analysis parameters, against three QRS subgroups based on QRS duration ranges (80–100 ms (normal), 101–120 ms (increased risk for cardiac ...
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A Krylov Space Based Finite Element Time Domain Method for Broadband Frequency Domain Solutions
... of methods: time-domain and frequency-domain ...(FDTD) methods have been widely adopted for solving different kinds of wave propagation ...these methods, the field is discretized ...
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Frequency domain energy transfer properties of bilinear oscillators under harmonic loadings
... a frequency near the first natural frequency of the beam using a numerical integration ...perturbation methods to obtain the non-linear normal modes of vibration and the associated period of the ...
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CHARACTERIZATION OF HEART RATE VARIABILITY DURING TOTAL VENOUS ANESTHESIA: A CASE REPORT
... Abstract: The aim of the study was to characterize the heart rate variability in a patient with no comorbidities, submitted to buccomaxillofacial surgery under total venous anesthesia using the linear frequency ...
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Emotion Analysis for Personality Inference from EEG Signals
... There are two types of methods used for image processing namely, analogue and digital image processing. Analogue image processing can be used for the hard copies like printouts and photographs. Image analysts use ...
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Computer-aided analysis of nonlinear microwave analog circuits using frequency-domain spectral balance
... At the circuit level the method of nonlinear currents using power series descriptions of the nonlinearities has been used to model elements in t he nonlinear circuit by introducing contr[r] ...
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Heart rate analysis in normal subjects of various age groups
... with nonlinear indices Poincare plot geometry(SD1,SD2), Approximate Entropy (ApEn), Largest Lyapunov Exponent (LLE) and Detrended Fluctuation ...and nonlinear parameters for four age group normal subjects ...
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Seismic ssi analyses in the nuclear industry: time domain vs. Frequency domain
... time domain SSI approaches impeding its widespread use in the nuclear industry: (1) efficient and reliable modelling of an infinite soil domain; and (2) frequency independent hysteretic material ...
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Fast Nonlinear SSI Analysis Using A Hybrid Time-Complex Frequency Domain Approach
... proposed nonlinear SSI hybrid approach against the “true” nonlinear time integration ...The nonlinear SSI hybrid approach results were also compared favourably with the results obtained by the SwRI ...
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