Spectral Density Function
ISPRA Nuclear Electronics Symposium EUR 4289
... which the noise power variance is aver aged over a measurement time Τ , An underlying assumption in this procedure is that the spectral density function of ' the fluctuations of the var[r] ...
450
Analysis of the Probability Model of Wind Load on the Offshore Wind Turbine
... power spectral density function of fluctuating wind ve- locity through stochastic sampling and using spectrum analysis ...power spectral density function of fluctuating wind ...
7
Estimating the Spectral Power Density Function of Non-Gaussian Second Order Autoregressive Model
... power Spectral Density Function (PSD) of Non-Gaussian second order autoregressive model AR(2)when the random error of model follows Non-Gaussian distribution (discrete and continuous)for different ...
9
Application of gamma densitometry and statistical signal analysis to gas phase velocity measurements in pipeline hydrotransport
... Due to current development of computing such mathematical techniques, as the cross-correlation (CCF) of recorded signals, or their deconvolution, cross-spectral density function (CSDF), and combined ...
6
Random Response of a Strongly Nonlinear Oscillator with Internal and External Excitations
... probability density function of the response X X , ...power spectral density function of the dis- placement the internal excitation is absent as the method of analysis, statistical ...
12
The Variance Profile
... This recognition motivates the introduction of the variance profile as a tool for characterising a stationary stochastic process. The variance profile is defined as the power mean, or H¨older mean, of the spectral ...
27
Statistical estimation of nonstationaryGaussian processes with long range dependence and intermittency
... the spectral density of nonstationary Gaussian processes with stationary increments is of a general and flexible ...The spectral density function of fRBm is thus a special case of this ...
23
On Spectral Representation of Varma Models with Change in Regime
... real–valued function, so ω can be taken in [0, ...the spectral density function of a 2–state MS–AR(1) presents itself as a sort of weighted average spectra of the underlying ...
12
Power Spectra Based Seismic Structural Response Using Cross Correlated Free-Field Earthquake Motions
... Given an actual earthquake in the form of ground acceleration in three principal directions, a smooth power spectral density function can be generated for each d[r] ...
7
Signals features extraction in liquid-gas flow measurements using gamma densitometry. Part 2: frequency domain
... classical spectral analysis based on Fourier Transform (FT) and Short-Time Fourier Transform (STFT) were applied for analysis of signals obtained for water-air flow using gamma ray ...autospectral density ...
6
Recent advances on the semi-parametric estimation of the long-range dependence coefficient
... the spectral density at zero frequency, it is possible to estimate the rate of convergence to zero of the autocovariance coe- cients of the process for large lags (section ...the spectral ...
14
Hartley transform and the use of the Whitened Hartley spectrum as a tool for phase spectral processing
... power spectral density function of the signal, whereas the second function, rather clumsily called the ‘ Whitened Hartley spec- trum ’ , is a function of phase only [19]; the term ‘ ...
8
Power Spectral Density of Dicode Pulse Position Modulation
... different spectral analyzers showed that the software program could not simulate exactly as a spectral ...software spectral analyzer as a real spectral analyzer do ...
6
Density of Function in the Mathematical Analysis
... the function: f (x, y, z) is not monotonous, the concept of average density is meaningful only for those intervals where it is of monotonous sense, and the differential densities ...
8
Coherence and polarisation phenomena in optical systems and fibres for signal processing
... nm and a spectral width of 15.36 nm. The diameter (d) of the first circular aperture (Pq) was 2.5 mm and the focal length of the lens (f) was 30.0 mm. For such a lens/aperture combination the resulting area of ...
232
Power Spectral Density Error Analysis of Spectral Subtraction Type of Speech Enhancement Methods
... for spectral sub- traction type of methods has been ...power spectral density error was introduced, and its mean square error was optimized for power ...
9
Spectral Density Estimation of Continuous Time Series
... studies spectral density estimation of a strictly stationary r-vector valued continuous time series including missing ...the spectral density ...
9
Diffusion in systems with static disorder
... The bare fluctuation expansion for the average Green's function gives also a simple method to determine the mo- tnents of the areratts spectral density, f dee"M(ei in hopping models [r] ...
14
Spectrum sensing based on cumulative power spectral density
... In this paper, we propose new spectrum sensing detec- tors based mainly on the cumulative sum of the power spectral density (PSD) of the received signal 1 . It is known that the PSD of a white noise is ...
19
Spectral imaging of human portraits and image quality
... 1 Imaging Spot Calibration 33 3.2 Spectral Imaging 3.2.2 Spectral Reflectance 3 Optoelectronic Conversion Function .2.3 3.2.4 Spectral Sensitivities 3.3 Spectral 3.4 Statistical Analysis[r] ...
213