... Descriptors : *MIRRORS, *POWER SPECTRA, *SURFACE FINISHING, ACCURACY, DENSITY FUNCTIONAL THEORY, ERRORS, GRINDING ...

runs (results not shown) were made with various residual power spectra, including some runs where residuals from flight test data analysis were added to the ...

Analysis of tremor amplitude and frequency is often done in frequency domain from tremor power spectra. Several methods for tremor amplitude estimation from power spectra were described but have not been systematically compared and evaluated. In addition, current methods for tremor amplitude estimation from ...

The theory of the direct Fourier analysis of noise power spectra with finite sampled data is developed. Formulas for planning a measurement for a specified resolution and accuracy are obtained. A quantitative comparison with autocorrelation analysis is given. it is shown that direct Fourier analysis attains comparable ...

A neutron survey was made inside the containment of the Farley Nuclear Plant, Alabama Power and Light Company, Dothan, Alabama, in November 1977. The survey was made to determine the spectra of leakage neutrons and to evaluate the accuracy of albedo neutron dosimeters and a 9-in.-diameter sphere rem meter. The survey also covered ...

Spectrum unfolding is a powerful method that can enhance the readability of experimental energy spectra obtained by detectors of poor resolution. It is applied to the NaI-based monitor. The UMG 3.3 package is used for unfolding the experimental spectra with the response matrix obtained by MCNP4c2. The main parameter influencing the ...

... Title : GENERALIZED COVARIANCES AND POWER SPECTRA FOR DISCRETE TIME SERIES. Descriptive Note : Final rept.,. ...

... Title : ESTIMATES OF THE POWER SPECTRA FOR FULLY DEVELOPED SEAS FOR WIND SPEEDS OF 20 TO 40 KNOTS,. ...

Weak lensing of the CMB changes the unlensed temperature anisotropy and polarization power spectra. Accounting for the lensing effect will be crucial to obtain accurate parameter constraints from sensitive CMB observations. Methods for computing the lensed power spectra using a low-order perturbative expansion are ...

We study the energy losses of the tau lepton in matter through electromagnetic processes at ultrahigh energy. We use both a stochastic and a continuous framework to treat these interactions and compare the flux of tau leptons propagated after some amount of matter. We discuss the accuracy of the approximation of continuous energy losses by studying the propagation in standard ...

We propose an efficient method for generating high accuracy ({approx}1%) nonlinear power spectra for grids of dark energy cosmologies. Our prescription for matching matter growth automatically matches the main features of the cosmic microwave background (CMB) anisotropy power spectrum, thus naturally including ...

... The power spectra are presented as three-dimensional plots and contour plots of power spectral density versus frequency and time. ...

The phase-integral approximation devised by Froeman and Froeman, is used for computing cosmological perturbations in the power-law inflationary model. The phase-integral formulas for the scalar and tensor power spectra are explicitly obtained up to ninth-order of the phase-integral approximation. We show that, the phase-integral ...

... On the Evidence for Mesogranules in Solar Power Spectra PE 61102F SPR 2311 ... VOL 1,1992 MESOGRANULES IN SOLAR POWER SPECTRA ...

... Measurements of scalar power spectra in high Schmidt number turbulent jets ... (U)"Measurements o: scalar power spectra in high Schmidt ...

Jan 26, 2010 ... Temperature and polarization power spectra derived from the WMAP ... Power Spectra, WMAP Seven-Year TT and TE Power Spectra See Fig. ...

Apr 18, 2008 ... TB & EB Power Spectra. ... The TB and EB power spectra are computed using a pseudo-Cl ... but should not be used as exact error bars. ...

... Field Power Spectra and Radial Diffusion Coefficients. ... a Kp-dependent radial diffusion coefficient is computed from the power spectra. ...

The accuracy of ion beam analysis experiments depends critically on the stopping power values available. While for H and He ions accuracies normally better than 5% are achieved by usual interpolative schemes such as SRIM, for heavier ions the accuracy is worse. One of the main reasons is that the experimental data ...

The accuracy of ion beam analysis experiments depends critically on the stopping power values available. While for H and He ions accuracies normally better than 5% are achieved by usual interpolative schemes such as SRIM, for heavier ions the accuracy is worse. One of the main reasons is that the experimental data ...

... by Page of 'Instantaneous Power Spectrum' (IPS). ... Descriptors : *SIGNAL PROCESSING, *POWER SPECTRA, SIGNALS, THESES, SENSITIVITY ...

... INTERNAL WAVES, STOCHASTIC PROCESSES, OCEAN SURFACE, QUANTITY, TWO DIMENSIONAL, WIND, POWER SPECTRA, SPECTRA ...

The computation of the gravitational radiation emitted by a particle falling into a Schwarzschild black hole is a classic problem that was already studied in the 1970s. Here we present a detailed numerical analysis of the case of radial infall starting at infinity with no initial velocity. We compute the radiated waveforms, spectra, and energies for multipoles up to l=6, ...

... (Author). Descriptors : (*WIND, POWER SPECTRA), VELOCITY, METEOROLOGICAL INSTRUMENTS, TOWERS, DIURNAL VARIATIONS, ...

... Title : The Effects of Input Power Spectra on Human Operator Compensatory Tracking. Descriptive Note : Master's thesis,. ...

Power spectra and fluctuations of interplanetary magnetic field from Mariner 4 data for solar active

... Accession Number : ADA259977. Title : On the Evidence for Mesogranules in Solar Power Spectra. Corporate Author : PHILLIPS ...

... Accession Number : ADA261542. Title : Measurements of Scalar Power Spectra in High Schmidt Number Turbulent Jets. ...

... Descriptors : *CARBON DIOXIDE, *INTERFEROMETERS, *LINE SPECTRA, INPUT, POWER SPECTRA, HIGH RESOLUTION, ESTIMATES ...

with the behavior predicted via analyses performed as part of the design process and wind tunnel testing levels assumed in wind tunnel testing. The power spectra are biased and overestimate the level of damping allowing the relative accuracy of the wind tunnel tests to be evaluated. The across-wind response

Abstract. Holistic representations of natural scenes is an effective and powerful source of information for semantic classification and analysis of arbitrary images. Recently, the frequency domain has been successfully exploited to holistically encode the content of natural scenes in order to obtain a robust representation for scene classification. In this paper, we present a ...

We show that the redshift-space quadrupole will be a powerful tool for constraining dark energy even if the baryon oscillations are missing from the monopole power spectrum and bias is scale and time dependent. We calculate the accuracy with which next-generation galaxy surveys such as KAOS will measure the quadrupole ...

Understanding actual characteristics of a power system with recorded time series data is of great importance, for example, to improve the performance of the system. Although system identification is a well-known technique to achieve this goal, its applicability to a certain system should be examined for the particular case because its accuracy highly ...

Mass spectrometry is a powerful tool for the analysis and identification of substances across a broad range of technologies from proteomics and metabolomics through to surface analysis methods used for nanotechnology. A major challenge has been the development of automated methods to identify substances from the mass spectra. Public chemical databases have ...

A multiple coherent states implementation of the semiclassical approximation is introduced and employed to obtain the power spectra with a few classical trajectories. The method is integrated with the time-averaging semiclassical initial value representation to successfully reproduce anharmonicity and Fermi resonance splittings at a level of ...

In this work we present an accurate parameterization of the antineutrino flux produced by the isotopes 235U, 239Pu, and 241Pu in nuclear reactors. We determine the coefficients of this parameterization, as well as their covariance matrix, by performing a fit to spectra inferred from experimentally measured beta spectra. Subsequently we show that flux shape ...

The properties of convective motions on the sun are studied using Kitt Peak Doppler images and power

Jan 24, 2010 ... TT Power Spectra. ... The seven year TT power spectrum is produced by combining the Maximum ... but should not be used as exact error bars. ...

Jul 9, 2008 ... TT Power Spectra. ... The five year TT power spectrum is produced by combining the Maximum ... but should not be used as exact error bars. ...

Apr 18, 2008 ... WMAP EE & BB Power Spectra. ... WMAP EE & BB Power Spectra. Description Dataset Id, File Info, File Name. Three Year Binned EE & BB Power ...

Apr 18, 2008 ... Cross-power spectra obtained from all 28 combinations of the 8 ... These 28 cross-power spectra form the basis of the WMAP combined TT power ...

The basic concepts of temperature measurement in power transformers and underground power cables using fiber optic gratings are introduced. The economic benefits of continuous temperature measurements are discussed. The problems encountered in high density applications, i.e. using many sensors in the same power transformer, is ...

... the use of the equation, power plant personnel are ... Descriptors : *FUEL CONSUMPTION, *ELECTRIC POWER PLANTS, ACCURACY, ESTIMATES ...

Fluorescence spectroscopy has been demonstrated to be a powerful tool for characterizing phytoplankton communities in marine environments. Using different fluorescence spectra techniques, it is now possible to discriminate the major phytoplankton groups. However, most of the current techniques are based on fluorescence excitation measurements, which ...

... The 9300 nc para- magnetic resonance absorption spectra of the Mi ... with an accuracy of one gauss using proton resonance, and since ...

This review summarizes the basic rules for the interpretation of atmospheric pressure ionization (API) mass spectra of small molecules written with the style primarily intended for beginners and low-experienced researchers with the mass spectra interpretation. The first and basic step in any interpretation of mass spectra is always the ...

A method is described for stabilizing the inversion of the power spectra of comparatively weak radar

... Descriptors : *OCEAN WAVES, SURFACE WAVES, AIRBORNE, WIND, POWER SPECTRA, LASERS, PROFILOMETERS, OCEANOGRAPHIC ...

... MARINE METEOROLOGY, ATLANTIC OCEAN), (*ATMOSPHERIC MOTION, MARINE METEOROLOGY), WIND, POWER SPECTRA, CURVE ...

... project: calculations of proton fluence spectra that ... SPACE ENVIRONMENTS, DAMAGE, PROTONS, POWER SPECTRA, TABLES(DATA ...

We present a fast, accurate and robust method of accelerating cosmological parameter estimation. The algorithm, called Pico, can compute the CMB power spectrum, matter transfer function and WMAP likelihood in about 20 milliseconds. This is approximately 1500 times faster than CAMB at default accuracies and 250,000 times faster at high ...

The importance of the deformation power spectra in the correlation between mechanical and electrical properties is shown for continuous deformations. The use of power spectra as specification masks for the manufacturing process is suggested. Two set-ups s...

Jul 9, 2008 ... WMAP TT Power Spectra. ... WMAP TT Power Spectra. Description Dataset Id, File Info, File Name. All the files from this table. ADS/Sa. ...

Apr 30, 2008 ... WMAP TE Power Spectra. ... WMAP TE Power Spectra. Description Dataset Id, File Info, File Name. All the files from this table. ADS/Sa. ...

Apr 18, 2008 ... WMAP TE Power Spectra. ... WMAP TE Power Spectra. Description Dataset Id, File Info, File Name. All the Files From This Table ADS/Sa. ...

In the course of experiments on electron-cyclotron resonance heating of plasma in the L-2M stellarator, it was found that, at high specific heating powers, the SXR spectrum was distorted in the entire photon energy range under study (from 1.5 to 15 keV). To determine the character of this distortion, a procedure was proposed for recovering the electron energy distribution ...

We develop a maximum likelihood based method of reconstructing the band powers of the density and velocity power spectra at each wavenumber bin from the measured clustering features of galaxies in redshift space, including marginalization over uncertainties inherent in the small-scale, non-linear redshift distortion, the Fingers-of-God ...

We develop a maximum likelihood based method of reconstructing the band powers of the density and velocity power spectra at each wavenumber bin from the measured clustering features of galaxies in redshift space, including marginalization over uncertainties inherent in the small-scale, non-linear redshift distortion, the Fingers-of-God ...

The PCA-PV Benchmark Facility was used to test the accuracy of neutron transport calculations. Several laboratories in the PCA Blind Test, including vendors of power reactors, calculated the neutron flux-spectra and reaction rates of foil detectors for specified locations in the PCA Benchmark. This was done without prior knowledge of ...

A new Fourier Transform Ion Cyclotron Resonance mass spectrometer based on a permanent magnet with an atmospheric pressure ionization source was designed and constructed. A mass resolving power (full-width-at-half-maximum) of up to 80,000 in the electron ionization mode and 25,000 in the electrospray mode was obtained. Also, a mass measurement accuracy at ...

We extend the WKB method for the computation of cosmological perturbations during inflation beyond leading order and provide the power spectra of scalar and tensor perturbations to second order in the slow-roll parameters. Our method does not require that the slow-roll parameters be constant. Although leading and next-to-leading results in the slow-roll ...

Current cosmology analyses with SNe Ia standardize their luminosity distance measurements using corrections for light curve shape and color, achieving accuracies of 8 - 10%. We present a variety of alternative methods based upon spectral measurements. These include Flux Ratios, which can standardize distances to 6% using only near-max spectra, and Excess ...

The National Radiation Protection Institute in Prague is about to use a commercially available multi-element whole-body thermoluminescence dosimeter for its radiation personnel. During the phase of practical verification of the method, the dosimeter was tested, among others, in mixed neutron-photon fields in the area of interim storages for spent nuclear fuel of the Czech nuclear ...

We develop a new method to reconstruct the power spectrum of primordial curvature perturbations P(k) by using both the temperature and polarization spectra of the cosmic microwave background (CMB). We test this method using several mock primordial spectra having nontrivial features including the one with an oscillatory component, and ...

The combination of molecular simulations and thermal neutron scattering is a powerful tool to analyze the dynamics of macromolecular systems on pico- to nanosecond time scales. The main goal is the assignment of parts of the neutron spectrum to specific molecular motions or to a certain type of motion. We show recent examples where Molecular Dynamics simulations and normal ...

Fluctuation-enhanced sensing comprises the analysis of the stochastic component of the sensor signal and the utilization of the microscopic dynamics of the interaction between the agent and the sensor. We study the relationship between the measurement time window and the statistical error of the measurement data in the simplest case, when the output is the mean-square value of the stochastic ...

This work compares a carefully designed experiment to measure photoemission with the predictions of three different codes (CEPXS/ONETRAN, TIGERP, and TIGER) for the complex bremsstrahlung spectra typical of very intense pulsed power x-ray generators. The Monte Carlo codes TIGER and TIGERP can calculate the net photon-induced electron emission but accurate ...

The acoustic vibrational spectra of impacted rock slabs were examined at the Denver Research Center, US Bureau of Mines, in an attempt to characterize the behavior of partially detached mine roof rocks. The ultimate goal of this study was to develop a technique or instrument that could provide a quick, accurate, quantifiable measure of mine roof stability. The ...

Non-linear power spectra, at various redshift z, will be measured by the next generation mass probes, and this will allow to investigate the nature of DE. Seemingly, to exploit such data, we however need high precision spectral predictions, spanning the functional space of w(a) DE state equations, for the admitted cosmological parameter ranges. In this ...

... seen in the force and moment coefficient power spectra ... as seen in the power spectra are ... Vortices, Aerodynamic forces, Coefficients, Drag, Strouhal ...

... of flames from three different pyrotechnic flare formulas burning at ambient ... useful for prediction of radiant power spectra of magnesium-alkali nitrate ...

The Effect of Direct Current Bias in the. Computation of Power Spectra. E. R. Rodemich. Communications Systems Research Section. We determine the effect of ...

The power spectra of the wideband (10 Hz to 100 kHz) magnetic field signals in a number of lightning

... Title : Power Spectra of Computer Simulated Frequency Modulation with Digital Minimum Shift Keying and Voice Input. Descriptive Note : Final rept. ...

... Title : POWER SPECTRA AND NOISE-REDUCING QUALITIES OF LASA BEAMS. Descriptive Note : Seismic data laboratory rept.,. ...

Enhancements in power spectra of the solar-wind ion flux in the frequency neighborhood of 0.5 Hz had

Apr 30, 2008 ... The TE, BB, and EE power spectra are computed using a pseudo-Cl estimator for the region outside the 5yr polarization mask in P and outside ...

... Title : Characteristics of Geomagnetic Power Spectra on Land and Sea in the Period Range 0.2 to 400 Seconds. Descriptive Note : Master's thesis,. ...

... a Kp-dependent radial diffusion coefficient DLL is ... Bass (2005), CRRES electric field power spectra and radial diffusion coefficients, J. Geophys ...

Subsidiary peaks in power spectra of Ci and Kp /magnetic indices/ attributed to amplitude modulation

It has been known for 35 years that phase correction of FTICR data can in principle produce an absorption-mode spectrum with mass resolving power as much as a factor of 2 higher than conventional magnitude-mode display, an improvement otherwise requiring a (much more expensive) increase in magnetic field strength. However, temporally dispersed excitation followed by ...

The structural elucidation of small molecules using mass spectrometry plays an important role in modern life sciences and bioanalytical approaches. This review covers different soft and hard ionization techniques and figures of merit for modern mass spectrometers, such as mass resolving power, mass accuracy, isotopic abundance ...

The structural elucidation of small molecules using mass spectrometry plays an important role in modern life sciences and bioanalytical approaches. This review covers different soft and hard ionization techniques and figures of merit for modern mass spectrometers, such as mass resolving power, mass accuracy, isotopic abundance ...

ASTRA and Cornell University have a joint project underway to develop an inverse diffraction tomography algorithm suitable for a two-dimensional array of GPS receivers located in the equatorial region. A significant component of the research involves development of an accurate, realistic electro-magnetic propagation forward model that goes from the GPS satellites to the array of ground receivers. ...

The H I 21 cm transition line is expected to be an important probe into the cosmic dark ages and epoch of reionization. Foreground source removal is one of the principal challenges for the detection of this signal. This paper investigates the extragalactic point source contamination and how accurately bright sources (gsim1 Jy) must be removed in order to detect 21 cm emission with upcoming radio ...

This resource helps guide an experiment figuring out how a hockey stick's flex affect shooting power and accuracy

... ACCURACY, ELECTRIC POWER PRODUCTION, CONTAMINATION, STATIONKEEPING, MICROPULSATIONS, PLASMA ENGINES, PLASMA ...

... stated in terms of comparison standards experimentally determined ... EQUIPMENT, BONES, SPEECH, POWER SUPPLIES, ACCURACY, STABILITY ...

Improved Wentzel-Kramers-Brillouin (WKB)-type approximations are presented in order to study cosmological perturbations beyond the lowest order. Our methods are based on functions which approximate the true perturbation modes over the complete range of the independent (Langer) variable, from subhorizon to superhorizon scales, and include the region near the turning point. We employ both a ...

Comparisons with integral measurements have demonstrated the accuracy of CINDER codes and libraries in calculating aggregate fission-product properties, including neutron absorption, decay power, and decay spectra. CINDER calculations have, alternatively, been used to supplement measured integral data describing fission-product decay ...

Theories in which gravity is weaker on cosmological scales have been proposed to explain the observed acceleration of the universe. The nonlinear regime in such theories is not well studied, though it is likely that observational tests of structure formation will lie in this regime. A class of alternative gravity theories may be approximated by modifying Poisson's equation. We have run ...

Theories in which gravity is weaker on cosmological scales have been proposed to explain the observed acceleration of the universe. The nonlinear regime in such theories is not well studied, though it is likely that observational tests of structure formation will lie in this regime. A class of alternative gravity theories may be approximated by modifying Poisson�s equation. We have run N-body ...

The high-throughput gas chromatography/mass spectrometry (GC/MS) technology offers a powerful means of analyzing a large number of chemical and biological samples. One of the important analyses of GC/MS data is compound identification. In this work, novel spectral similarity measures based on the discrete wavelet and Fourier transforms were proposed. The proposed methods are ...

The high-throughput gas chromatography-mass spectrometry (GC-MS) technology offers a powerful means of analyzing a large number of chemical and biological samples. One of the important analyses of GC-MS data is compound identification. In this work, novel spectral similarity measures based on the discrete wavelet and Fourier transforms were proposed. The proposed methods are ...

Stark-shift measurements using emission spectroscopy are a powerful tool for advancing understanding in many plasma physics experiments. The authors use simultaneous 2-D-spatial and time-resolved spectra to study the electric field evolution in the 20 TW Particle Beam Fusion Accelerator II ion diode acceleration gap. Fiber optic arrays transport light from ...

Accurate predictions on non-linear power spectra, at various redshift z, will be a basic tool to interpret cosmological data from next generation mass probes, so obtaining key information on Dark Energy nature. This calls for high precision simulations, covering the whole functional space of w(z) state equations and taking also into account the admitted ...

An ultrashort and ultraintense pulses combination method is proposed, based on the spectral combination of parallel laser pulses, with complementary spectra, in chirped pulse amplification (CPA) laser systems. In a proof-of-principle experiment, it is demonstrated that two long pulses of 330 fs can be overlapped in a collinear way, to produce a shorter pulse, of 190 fs. As a ...

... Descriptors : *INPUT, POWER LEVELS, AUXILIARY, ENVIRONMENTS, PROBABILITY DISTRIBUTION FUNCTIONS, RATES, POWER SPECTRA ...

... power, average electrical power, root mean square and instantaneous current and voltage, arc radii, spectra, and average absorption as well as the ...

A procedure is presented for calculating the power spectrum of the class of digital continuous-phase

... Descriptors : *WIND, *POWER SPECTRA, FREQUENCY, TABLES(DATA), PERTURBATIONS, OSCILLATION, FUNCTIONS(MATHEMATICS ...

... is to present both the experimental procedures employed and the data obtained from measurements of the temporal power spectral density of the ...

... female sockets which prevents intrusion of polyurethane ... power spectrum, produced by FFT. Power spectra of approxixately ...

... Accession Number : ADA952583. Title : Influence of Resolving Power on Measurement of Correlations and Spectra of Random Fields. ...

... approximate. Atmospheric structure, ARMA Modeling, Power spectral density analysis, Two dimensional power spectra. ...

... of the estimated values and of three CALCOMP plots of: the sample auto covariance (ACV) functions, the power spectral density (PSD), and a ...

In a context of automation of cryo-electron microscopy, we developed a novel method for improving visibility of diffraction rings in the power spectra of cryo-electron micrographs of vitreous ice (without carbon film or high concentration of diffracting material). We used these enhanced spectra to semi-automatically detect and remove ...

Results on the size spectra of the extensive air showers, in the size range 100,000 N 10 to the 7th power, recorded with two different triggering requirements are presented. The difference in the power indices of two spectra indicates a functional relatio...

Power spectra of the fluctuations of the geomagnetic field were obtained for the frequency range of 0.4-40 Hz using an optically pumped Cesium vapor magnetometer. The spectra display a gradual decrease in slope at low frequencies with zero slope occurring...

By analyzing backscattered echo signal power spectra and thereby obtaining backscatter coefficient vs. frequency data, the size of sub-resolution scatterers contributing to echo signals can be estimated. Here we investigate tradeoffs in data acquisition and processing parameters for reference phantom based backscatter and scatterer size estimations. RF ...

... OCCULTATION, COUPLING(INTERACTION), DISPERSING, ATMOSPHERIC TEMPERATURE, ATMOSPHERIC MOTION, POWER SPECTRA ...

... ANALYSIS, POWER SPECTRA), (*INTEGRAL TRANSFORMS, *COMPUTER PROGRAMMING), FOURIER ANALYSIS, CONFIDENCE LIMITS ...

... PARAMETERS, WHITE NOISE, THESES, POWER SPECTRA, CORRELATION, MATHEMATICAL PREDICTION, COEFFICIENTS, BANDWIDTH. ...

... Laser characteristics, including emission spectra, power output, and threshold current densities, have been measured in detail. ...

... TURBULENCE, SIMULATION, INTERACTIONS, WIND TUNNELS, MAGNETIC FIELDS, ELECTRON DENSITY, POWER SPECTRA, PLASMAS ...

Maximum entropy power spectra of the ionospheric electron density were constructed to enable PINY to

... Descriptors : *DATA PROCESSING, *ACCELEROMETERS, *ELECTRONIC RECORDING SYSTEMS, VIBRATION, AIRBORNE, POWER SPECTRA ...

... Descriptors : *ATMOSPHERICS, *RADIO SIGNALS, *RADIOFREQUENCY POWER, REFRACTOMETERS, SCATTERING, SPECTROGRAPHY ...

... TEST REACTORS, *RESEARCH REACTORS, REACTOR SHUTDOWN, REACTOR CONTROL, POWER SPECTRA, NOISE ANALYZERS ...

We have estimated the power spectra of density fluctuations produced by cosmic strings with neutrino

... analyses of the correlation of infrasonic microbarometric disturbances ... POWER SPECTRA, SPECTRUM SIGNATURES, STATISTICAL ANALYSIS. ...

... PREDICTIONS, MODELS, PROCESSING, POWER, PITCH DISCRIMINATION ... SPECTRA, RESIDUALS, SIGNALS, ALLOCATIONS, SEPARATION. ...

... BEAMS, *CERENKOV RADIATION, EMISSION, COMPUTATIONS, THESES, MICROWAVES, POWER SPECTRA, COHERENT RADIATION. ...

... PRESSING, POWER SPECTRA, TOPOGRAPHY, DEPTH, ESTIMATES, SURFACES, APPROXIMATION(MATHEMATICS), COEFFICIENTS, LEAST ...

... capability of the clutter spectrum. ... MODELS, PERFORMANCE(ENGINEERING), RESOLUTION, THESES, POWER SPECTRA, RADAR ...

... Descriptors : *TURBULENCE, *POWER SPECTRA, *TIDAL CURRENTS, SHEAR PROPERTIES, TRANSFER FUNCTIONS, ENERGY, VISCOUS ...

In coming years, 21cm tomography has the potential to probe the Epoch of Reionization, the preceding Dark Ages, and fundamental physics with unprecedented levels of accuracy. Before this potential can be realized, however, 21 cm tomography will have to deal with the issue of foreground contamination. We present a unified matrix formalism for performing foreground cleaning and ...

Raman spectroscopy has been recognized to be a powerful tool for label-free discrimination of cells. Sampling methods are under development to utilize the unique capabilities to identify cells in body fluids such as saliva, urine or blood. The current study applied optical traps in combination with Raman spectroscopy to acquire spectra of single cells in ...

Fast Fourier transform spectroscopy has proved to be a powerful method for study of the secondary structure of proteins since peak positions and their relative amplitude are affected by the number of hydrogen bridges that sustain this secondary structure. However, to our best knowledge, the method has not been used yet for identification of proteins within a complex matrix ...

In this work we present an accurate parameterization of the antineutrino flux produced by the isotopes {sup 235}U, {sup 239}Pu, and {sup 241}Pu in nuclear reactors. We determine the coefficients of this parameterization, as well as their covariance matrix, by performing a fit to spectra inferred from experimentally measured beta spectra. Subsequently we ...

The LIFE2 code is a fatigue/fracture mechanics code that is specialized to the analysis of wind turbine components. This code permits the analysis of both time series and frequency domain data. Two frequency-domain stress spectra techniques contained in this code are used to analyze the measured frequency loads spectra from the Northern ...

We report calculations of the Raman and Raman optical activity (ROA) spectra of methyl-?-D-glucose utilizing density functional theory combined with molecular dynamics (MD) simulations to provide an explicit hydration environment. This is the first report of such combination of MD simulations with ROA ab initio calculations. We achieve a significant improvement in ...

For transport and interim storage of spent fuel elements from power reactors and vitrified highly active waste (HAW) from reprocessing, various types of casks are used. The radiation exposure of the personnel during transportation and storage of these casks is caused by mixed photon-neutron fields and, frequently, the neutron dose is predominant. In operational radiation ...