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power spectral density level

A source of illumination for low-noise 'Violin-Mode' shadow sensors, intended for use in interferometric gravitational wave detectors

A source of illumination for low-noise 'Violin-Mode' shadow sensors, intended for use in interferometric gravitational wave detectors

... To this end, the design of the emitter was first optimized, optically, in order to maximize the sensitivity to lateral displacement of silica test fibres (i.e., their shadows) in a complete VM shadow-sensing system. Each ...

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Investigation of Acoustic Emission Caused by Filtration of an Air Flow through a Porous Medium

Investigation of Acoustic Emission Caused by Filtration of an Air Flow through a Porous Medium

... background level after closing the switch and the spectral density of the acoustic emission power are presented in Figures 2(a) and ...emission level is by 20 - 30 dB higher than that ...

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Modeling of Noise Power Spectral Density Analysis for GaN/AlGaN HEMT

Modeling of Noise Power Spectral Density Analysis for GaN/AlGaN HEMT

... Figure 1(b) shows the 2DEG produced between GaN and AlGaN semiconductor materials. Fermi level of both the bands must be equal for the conduction takes place. This is known as the equilibrium state. When we give ...

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Power Spectral Density Error Analysis of Spectral Subtraction Type of Speech Enhancement Methods

Power Spectral Density Error Analysis of Spectral Subtraction Type of Speech Enhancement Methods

... the method is often referred to as power subtraction with oversubtraction. This ad hoc modification significantly de- creases the noise level and reduces the audible artifacts. In addition, it significantly ...

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Statistical Broadband Over Power Lines Channel Modeling - Part 1: the Theory of the Statistical Hybrid Model

Statistical Broadband Over Power Lines Channel Modeling - Part 1: the Theory of the Statistical Hybrid Model

... injected power spectral density (IPSD) limit, noise PSD level, coupling scheme, and BPL topology class where a BPL topology class consists of overhead Medium-Voltage (OV MV) and underground ...

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Power spectral density analysis of ocean wave by using GPS buoy

Power spectral density analysis of ocean wave by using GPS buoy

... The local vertical component of the GPS solution was one of the sea level measures compared with the “truth” obtained through the tide gauge measurement. No comparable “truth” was available for the horizontal ...

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Impact Of Motion-Induced Antenna Pointing Errors In Mobile Satellite Communication

Impact Of Motion-Induced Antenna Pointing Errors In Mobile Satellite Communication

... the Power Spectral Density (PSD) of the ESIM terminal and its antenna pattern is ...appropriate level of the boresight EIRP from the ESIM terminal is established to comply with the ...

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Corrosion Performance of a Novel NiAl-Cu Intermetallic HVOF Protective Coating Part II: High Temperature Corrosion in Molten Salts

Corrosion Performance of a Novel NiAl-Cu Intermetallic HVOF Protective Coating Part II: High Temperature Corrosion in Molten Salts

... the spectral noise resistance studied by Mansfeld et ...noise level in the high frequency range. The slope of the density noise power spectral potential provides information about the ...

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A Numerical Investigation of Human Cough Jet Development and Droplet Dispersion

A Numerical Investigation of Human Cough Jet Development and Droplet Dispersion

... The power spectral density obtained from the LES modelling and HWA measurements is also compared to investigate the the energy transfer from the large-scale to small-scale eddies at the location of ...

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Identification of incident parameters of interference beams using angular power spectral density

Identification of incident parameters of interference beams using angular power spectral density

... every pulse (monitored by a Coherent LabMax-TOP laser power and energy meter). Finally the three laser beams were focused onto the same point on the sample substrate. All the incident angles were set as 4˚ and the ...

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Random Response of a Strongly Nonlinear Oscillator with Internal and External Excitations

Random Response of a Strongly Nonlinear Oscillator with Internal and External Excitations

... The problem of the determination of the power spectral density (PSD) of the system displacement is also addressed. While the PSD of linear systems is im- mediate, for nonlinear systems to writer’s ...

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Power spectral density of velocity fluctuations estimated from phase Doppler data

Power spectral density of velocity fluctuations estimated from phase Doppler data

... the power spectral density ...Other spectral estimator for LDA data was introduced by Nobach et al ...instant. Spectral estimation techniques currently considered the most reliable, are ...

8

EEGgui: a program used to detect electroencephalogram anomalies after traumatic brain injury

EEGgui: a program used to detect electroencephalogram anomalies after traumatic brain injury

... average power and standard deviations for each frequency band must be calculated from the control group to be compared ...group power must deviate from the con- trol power necessary to trigger an ...

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The Influence of Noise Uncertainty and SNR Wall on the Performance of Hybrid Sensing Method

The Influence of Noise Uncertainty and SNR Wall on the Performance of Hybrid Sensing Method

... of spectral density of noise power estimation known as ‘SNR ...of spectral density of noise power estimation, as it has been considered in the literature so ...

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Effect of Chemical Potential on Thermoelectric Power of Bi2Te3 and Bi2Se3

Effect of Chemical Potential on Thermoelectric Power of Bi2Te3 and Bi2Se3

... the spectral conductivity is calculated both from the three-dimensional tight-binding bands and the surface band by taking the energy dependence of group velocity into ...the spectral conductivity from the ...

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Short term spectral estimation with applications

Short term spectral estimation with applications

... error power via the curves plotted in ...error power with time as the parameters adapt to their optimum ...error power against time are shown in Fig. 6.5; here the error power has been ...

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On the effect of antenna coupling on spectrum sensing using a cross correlation spectrum analyser with two antennas

On the effect of antenna coupling on spectrum sensing using a cross correlation spectrum analyser with two antennas

... the power spectra and the cross spectrum at its input. These power spectra will presumably contain a larger portion of noise than the cross spectrum, as that is why a cross correlation receiver is supposed ...

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Analysis of the geomagnetic activity of the D(st) index and self-affine fractals using wavelet transforms

Analysis of the geomagnetic activity of the D(st) index and self-affine fractals using wavelet transforms

... the power exponent also provides information regarding the choice of an appropriate embedding dimension for the dy- namic modelling and forecasting (see, ...

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Automatic modulation classification of digital modulations in presence of HF noise

Automatic modulation classification of digital modulations in presence of HF noise

... Figure 1 shows the block diagram of FB methods in an SDR. The front-end of SDR is the signal detection block which identifies a signal transmission [6]. This block is followed by an AMC which contains a feature extractor ...

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The Variance Profile

The Variance Profile

... the power mean, or H¨older mean, of the spectral density function of the ...the power parameter, the variance profile is a continuous and non-decreasing function of ...fractional power ...

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