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Spectral analysis

Multitaper spectral analysis of atmospheric radar signals

Multitaper spectral analysis of atmospheric radar signals

... Multitaper spectral analysis using sinusoidal taper has been carried out on the backscattered signals received from the troposphere and lower stratosphere by the Gadanki Mesosphere-Stratosphere-Troposphere ...

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Spectral analysis of input spike trains by spike-timing-dependent plasticity.

Spectral analysis of input spike trains by spike-timing-dependent plasticity.

... Spike-timing-dependent plasticity (STDP) has been observed in many brain areas such as sensory cortices, where it is hypothesized to structure synaptic connections between neurons. Previous studies have demonstrated how ...

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The spectral analysis of motion: An "open field" activity test example

The spectral analysis of motion: An "open field" activity test example

... for the purpose of describing the quality of motion we introduced spectral analysis of motion and parameters that are obtained by this method. as these quality describing parameters were not used in any ...

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Intelligent data analysis and model interpretation with spectral analysis fuzzy symbolic modeling

Intelligent data analysis and model interpretation with spectral analysis fuzzy symbolic modeling

... the spectral analysis and quadratic programming parameter ...the spectral analysis, which can be a hurdle for problems with a huge number of ...

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Biomechanics of the cornea evaluated by spectral analysis of waveforms from ocular response analyzer and Corvis-ST.

Biomechanics of the cornea evaluated by spectral analysis of waveforms from ocular response analyzer and Corvis-ST.

... refractive surgery, prior cornea surgery, prior retina surgery, cataract surgery done within last one year, aphakia, refractive error between 25.0D and +3.0D, and astigmatism greater than + 3.0D were not included in the ...

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Proper Orthogonal Decomposition and Spectral Analysis of a Wall-Mounted Square Cylinder Wake

Proper Orthogonal Decomposition and Spectral Analysis of a Wall-Mounted Square Cylinder Wake

... Spectral analysis was performed to a wide range of coordinates, but although there were some differences in the spectra, no discernible pattern was ...the analysis at the core of the vortex in POD ...

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Spectral analysis of embolic signals

Spectral analysis of embolic signals

... Figure 6.1 – Time Frequency representation of a simulated MCA Doppler signal plotted with the estimated normalized power variation over time. The spectral estimator was STFT with 20ms windows and 50% of ...

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Spectral analysis of atmospheric composition: application to surface ozone model–measurement comparisons

Spectral analysis of atmospheric composition: application to surface ozone model–measurement comparisons

... a spectral analy- sis method designed to handle gapped data sets (Lomb, 1976; Scargle, 1982; Horne and Baliunas, 1986; Press and Rybicki, 1989; Press et ...Power Spectral Density), ...

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THE ATMOSPHERIC PRESSURE EFFECT ON MUON DATA NORMALIZATION BY SPECTRAL ANALYSIS STUDIES

THE ATMOSPHERIC PRESSURE EFFECT ON MUON DATA NORMALIZATION BY SPECTRAL ANALYSIS STUDIES

... Figure 1 – Time series of the muon detector’s daily average (non normalized data) for channels: Vertical, North, South, East, West, Northwest, Northeast, Southwest, Southeast and Pressur[r] ...

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Mean scatterer space estimation from ultrasound signals combining singular spectral analysis and entropy

Mean scatterer space estimation from ultrasound signals combining singular spectral analysis and entropy

... Abstract Introduction: Ultrasound (US) is a nonionizing radiation capable of real time imaging at low cost. Its most attractive application is quantitative tissue characterization with the objective of differentiating ...

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Geomagnetic jerks characterization via spectral analysis

Geomagnetic jerks characterization via spectral analysis

... present analysis, we do not consider geomagnetic jerks as singularities defined as disconti- nuities of some α th derivative of the signal, but as an integer derivative ...

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HYPERSPECTRAL HYPERION IMAGERY ANALYSIS AND ITS APPLICATION USING SPECTRAL ANALYSIS

HYPERSPECTRAL HYPERION IMAGERY ANALYSIS AND ITS APPLICATION USING SPECTRAL ANALYSIS

... Hyperion instrument can capture 256 spectra each with 242 spectral bands. (Barry, 2001; Beck, 2003 & Pengra, Bruce W, Johnston, Carol A, Loveland, Thomas R , 2007) . Hyperion covers the area perpendicular to ...

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SPECTRAL ANALYSIS OF BUCK AND SEPIC CONVERTERS

SPECTRAL ANALYSIS OF BUCK AND SEPIC CONVERTERS

... current spectral composition. Figures 3, 4 and 5 show the spectral composition of the current in the MOSFET, the diode current and the output voltage ...

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On Algebraic Spectrum of Ontology Evaluation

On Algebraic Spectrum of Ontology Evaluation

... the spectral analysis (adjacency and incidence matrices, eigenvalues and eigenvectors) and the structural dimension (depth, breadth and density) for ontologies written in ...inherent spectral and ...

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J. Microw. Optoelectron. Electromagn. Appl.  vol.15 número3

J. Microw. Optoelectron. Electromagn. Appl. vol.15 número3

... Abstract — A methodology based on spectral analysis for localization of multiple partial discharges in dielectric region of hydro-generator coils is proposed. This pinpointing of multiple discharges aims to ...

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OR1 R1 O R

OR1 R1 O R

... The phytochemical investigation of Piptadenia gonoacantha (Mart.) J.F. Macbr. (Leguminosae-Mimosoideae), commonly known as “pau jacaré” (alligator stick), afforded sitosterol, campesterol, stigmasterol, the N-benzoyl- ...

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Análise espectral de dados experimentais em busca de modos geodésicos de baixa frequência...

Análise espectral de dados experimentais em busca de modos geodésicos de baixa frequência...

... Spectral analysis from experimental data for search of geodesic low frequency modes in the Tokamak TCABR – São Paulo, 2013.. Dissertação (Mestrado) – Universidade de São Paulo[r] ...

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Influência da dexmedetomidina na concentração expirada do sevoflurano: avaliação pelo índice bispectral, taxa de supressão e análise espectral da potência do eletroencefalograma.

Influência da dexmedetomidina na concentração expirada do sevoflurano: avaliação pelo índice bispectral, taxa de supressão e análise espectral da potência do eletroencefalograma.

... comparing Group I and Group II. No clinically significant changes were observed in hemodynamic parameters. Time for emergence in Groups I and II was 11 ± 0.91 min. and 6.35 ± 0.93 min., respectively (p < 0.05). Time ...

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WATER BODY EXTRACTION FROM MULTI SPECTRAL IMAGE BY SPECTRAL PATTERN ANALYSIS

WATER BODY EXTRACTION FROM MULTI SPECTRAL IMAGE BY SPECTRAL PATTERN ANALYSIS

... Due to the importance for the Earth environment water has been monitored for a long time. Recently remote sensing approach in water recognition has been intensively studied and satellite remote sensing image data has ...

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Determination and analysis of spectral aerosol optical properties by a multi-instrumental approach

Determination and analysis of spectral aerosol optical properties by a multi-instrumental approach

... dust and smoke aerosols at surface level on 20 July. The temporal evolution of RCS at 532 nm obtained from lidar measurements (Fig. 8b) shows the presence of aerosol particles up to 4000 m a.s.l. According to the back ...

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