time-varying frequency characteristics
A New Approach for Estimation of Instantaneous Mean Frequency of a Time-Varying Signal
... signals’ characteristics such as linearity, rate of fre- quency change, being mono- or multicomponent, and the proximity of the frequency components in the ...one frequency component at a time ...
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Control-focused, nonlinear and time-varying modelling of dielectric elastomer actuators with frequency response analysis
... handle time-variation, although success has been made by the use of bioinspired techniques ...and time-variation of this ...desired frequency response for a control application using the NARX model ...
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A time-frequency analysis approach for condition monitoring of a wind turbine gearbox under varying load conditions
... under varying operating ...the time-frequency analysis method proposed is first applied for the easiest un- derstanding of the challenges ...of varying loads is examined in the simulations and ...
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Channel Characteristics and Performance of MIMO E SDM Systems in an Indoor Time Varying Fading Environment
... Here, the channel autocorrelation was estimated by averaging over the four channels as well as the spatial domain and frequency domain data. The Doppler spectrum, as in the SISO case, was calculated by applying ...
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On the Evolutionary Characteristics of the Acceleration Records Generated From Linear Time-Variant Systems
... the time-varying characteristics of the output signals resulted from Linear Time Variant (LTV) systems using level-crossing ...2) time-varying Impulse Response Function (IRF) ...
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Uncertainty Quantification for a Class of MEMS-based Vibratory Angular Rate Sensors
... dynamic characteristics of ring-based gyroscopes, time response analysis is performed considering the mathematical model derived in the previous ...The time response analysis is then performed ...
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Identification of LOS in Time Varying, Frequency Selective Radio Channels
... the shape of its Doppler spectrum. Hence, in this section, spectral-domain name convention is adopted to emphasize the characteristics of different underlying processes.) (This Doppler spectrum is one of the four ...
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A Study on the Development Direction of a Tire Using Objective Evaluation and Analysis Techniques
... dynamic characteristics of the vehicle while varying the steering input cycle, ISO7401 was used and the analysis was divided into time domain and frequency ...
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Time-Frequency Detection of Slowly Varying Periodic Signals with Harmonics: Methods and Performance Evaluation
... For some applications there is a need to detect time-varying periodic signals with harmonic components. Examples include electrical power signals [1], recorded musical instru- ments [2], and speech signals ...
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Research and Comparison of Time-frequency Techniques for Nonstationary Signals
... in frequency domain. The time-frequency techniques may give a comprehensive description of signals in time-frequency ...five time-frequency analysis methods, i.e., the ...
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Audio Effects Based on Biorthogonal Time Varying Frequency Warping
... on frequency warping. These effects alter the frequency content of a signal via spectral ...given time is related to the input via the Laguerre ...a time-varying frequency ...
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ELECTROCOAGULATION OF FERTILIZER INDUSTRY EFFLUENT USING STEEL ELECTRODES
... the characteristics of fertilizer industry effluent was prepared and electrocoagulated by varying process variables such as pH, time, electrode gap, and current ...
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Time varying fractional cointegration
... using time-varying vector autoregression ...with time and we approximate this vector by a linear combination of orthogonal Chebyshev time ...
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Impulsive control and exponential stability for nonlinear time-varying systems with time-varying delays
... with time-varying delay via impulsive control has been ...chastic time-varying delay systems by utilizing the formula for the variation of parameters and the Cauchy ...with ...
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A Simple Algorithm for the Restoration of Clipped Speech Signal
... We observe that the error using the Kalman filter estimation is much larger that the one using the least square method. Another problem that is encountered is the large computation time. So, in the following ...
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Identification of Radar Signals Based on Time-Frequency Agility using Short-Time Fourier Transform
... using time-frequency rate ...LPI frequency hopping signal of 4-components and 8-components type, whose goal were “to see and not to be ...of frequency modulated continuous waveforms (FMCW) ...
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Servo control system of electric cylinder based on feed forward prediction
... of time delay characteristics, reducing the overshoot and improving the stability of the system as well as accelerating the adjustment process and improving the rapidity of the ...the characteristics ...
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Time-Varying Modeling of Systematic Risk: using High-Frequency Characterization of Tehran Stock Exchange
... Our market portfolio experiences 136 days out of 243 trading days with jumps that is greater than similar researches on S&P500. This ratio is considerable and may be related to some structural properties and ...
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Separation characteristics between time domain and frequency domain of wireless power communication signal in wind farm
... spectral characteristics of ...turbulence characteristics are only determined by the energy dissipation rate and the mo- lecular viscosity ...turbulence characteristics are only determined by the ...
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Geographic variation in the time-frequency characteristics of high-frequency whistles produced by killer whales (Orcinus orca)
... stereotyped whistles in resident killer whales, Orcinus orca , off British Columbia. Whistle sequences in wild killer 636[r] ...
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