We compare a recently derived, resummed high post-Newtonian accuracy effective-one-body (EOB) quadrupolar waveform to the results of a numerical simulation of the inspiral and merger of an equal-mass black-hole binary. We find a remarkable agreement, both in phase and in amplitude, with a maximal dephasing which can be reduced below {+-}0.005 ...

We address the problem of constructing high-accuracy, faithful analytic waveforms describing the gravitational wave signal emitted by inspiralling and coalescing binary black holes. We work within the effective-one-body (EOB) framework and propose a methodology for improving the current (waveform) implementations of this framework based on understanding, ...

The effective-one-body (EOB) formalism contains several flexibility parameters, notably a{sub 5}, v{sub pole}, and a{sub RR}. We show here how to jointly constrain the values of these parameters by simultaneously best-fitting the EOB waveform to two, independent, numerical relativity (NR) simulations of inspiralling and/or coalescing binary black-hole systems: published ...

The effective-one-body (EOB) formalism contains several flexibility parameters, notably a5, vpole, and ?RR. We show here how to jointly constrain the values of these parameters by simultaneously best-fitting the EOB waveform to two, independent, numerical relativity (NR) simulations of inspiralling and/or coalescing binary black-hole systems: published Caltech-Cornell inspiral ...

We present the first attempt at calibrating the effective-one-body (EOB) model to accurate numerical relativity simulations of spinning, nonprecessing black-hole binaries. Aligning the EOB and numerical waveforms at low frequency over a time interval of 1000M, we first estimate the phase and amplitude errors in the numerical waveforms ...

We continue the program of constructing, within the effective-one-body (EOB) approach, high-accuracy, faithful analytic waveforms describing the gravitational wave signal emitted by inspiralling and coalescing binary black holes. We present the comparable-mass version of a new, resummed 3 post-Newtonian (PN) accurate EOB quadrupolar ...

The coalescences of binary black hole systems, here taken to be nonspinning, are among the most promising sources for gravitational wave (GW) ground-based detectors, such as LIGO and Virgo. To detect the GW signals emitted by binary black holes and measure the parameters of the source, one needs to have in hand a bank of GW templates that are both effectual (for detection) and ...

... to) - Title and Subtitle Accurate Identification of Evoked Potentials by Waveform Decomposition Using Discrete Cosine Transform Modeling ...

... Title : Accurate Identification of Evoked Potentials by Waveform Decomposition Using Discrete Cosine Transform Modeling. ...

Binary black hole coalescence is treated semianalytically by a novel approach. Our prescription employs the conservative Skeleton Hamiltonian that describes orbiting Brill-Lindquist wormholes (termed punctures in numerical relativity) within a waveless truncation to the Einstein field equations [G. Faye, P. Jaranowski, and G. Schaefer, Phys. Rev. D 69, 124029 (2004)]. We incorporate, in a ...

A new scheme for computing dynamical evolutions and gravitational radiations for intermediate-mass-ratio inspirals (IMRIs) based on an effective one-body (EOB) dynamics plus Teukolsky perturbation theory is built in this paper. In the EOB framework, the dynamic essentially affects the resulted gravitational waveform for a binary ...

Goal: to obtain highly accurate BBH waveforms (critical for extracting .... We obtained very accurate waveforms using puncture style BSSN ...

... Page 2. Attorney Docket No. 97612 REMOTE BLOOD PRESSURE WAVEFORM ... accurate blood pressure waveform identifies important events in ...

We test the resummation techniques used in developing Pade and effective one body (EOB) waveforms for gravitational wave detection. Convergence tests show that Pade approximants of the gravitational wave energy flux do not accelerate the convergence of the standard Taylor approximants even in the test mass limit, ...

An ultra-linear ramp generator having separately programmable ascending and decending ramp rates and voltages is provided. Two constant current sources provide the ramp through an integrator. Switching of the current at current source inputs rather than at the integrator input eliminates switching transients and contributes to the waveform precision. The triangular ...

An ultra-linear ramp generator having separately programmable ascending and descending ramp rates and voltages is provided. Two constant current sources provide the ramp through an integrator. Switching of the current at current source inputs rather than at the integrator input eliminates switching transients and contributes to the waveform precision. The triangular ...

An ultra-linear ramp generator having separately programmable ascending and descending ramp rates and voltages is provided. Two constant current sources provide the ramp through an integrator. Switching of the current at current source inputs rather than at the integrator input eliminates switching transients and contributes to the waveform precision. The triangular ...

We investigate the nonadiabatic dynamics of spinning black-hole binaries by using an analytical Hamiltonian completed with a radiation-reaction force, containing spin couplings, which matches the known rates of energy and angular-momentum losses on quasicircular orbits. We consider both a straightforward post-Newtonian-expanded Hamiltonian (including spin-dependent terms), and a version of the ...

By incorporating our silane discharge into an rf bridge circuit, it has been possible to measure the waveform of the incremental current due to the presence of the plasma. This has enabled us to make accurate measurements of the power dissipation in the p...

This thesis investigates the impact of various waveform parameters on the ability to estimate accurately the position of the source of a known data-less emission that is visible to multiple simultaneous collectors. It provides an overview of the basic geo...

We present a detailed descriptive analysis of the gravitational radiation from black-hole binary mergers of nonspinning black holes, based on numerical simulations of systems varying from equal mass to a 6 ratio 1 mass ratio. Our primary goal is to present relatively complete information about the waveforms, including all the leading multipolar components, to interested ...

We present a detailed descriptive analysis of the gravitational radiation from black-hole binary mergers of nonspinning black holes, based on numerical simulations of systems varying from equal mass to a 6?1 mass ratio. Our primary goal is to present relatively complete information about the waveforms, including all the leading multipolar components, to interested researchers. ...

... appropriate interference generation and gating must be incorporated to accurately account for waveform randomness occurring from gate-to-gate. ...

... throughout the 20th and 21st century is the development of a quantifiable model to accurately estimate or explain Core Power Losses (CPL). ...

... environmental parameters that affect the performances of the algorithms are the ... INTRODUCTION Accurate and consistent determinations of the land-water ... ...

Power quality in AC power system depends on the harmonic content of the waveform . To accurately predict the content of harmonic components in a particular ...

We describe progress evolving an important limit of binaries in general relativity: stellar mass compact objects spiraling into much larger black holes. Such systems are of great observational interest. We have developed tools to compute for the first time the radiation from generic orbits. Using global conservation laws, we find the orbital evolution and waveforms for special ...

Current commercial flow cytometers employ analog circuits to produce the feature values of the pulse waveforms that result from particle analysis. The use of analog pulse processing limits the features that can be measured to pulse integral, pulse height, and pulse width, and a large amount of potentially relevant information about the shape of the pulse ...

Accurate knowledge of the gravitational-wave (GW) signal from inspiraling compact binaries is essential to detect these signatures in the data from GW interferometers. With recent advances in post-Newtonian (PN) theory and numerical relativity (NR) it has become possible to construct inspiral-merger-ringdown waveforms by combining both descriptions into ...

One of the most exciting potential sources of gravitational waves for low-frequency, space-based gravitational wave (GW) detectors such as the proposed Laser Interferometer Space Antenna (LISA) is the inspiral of compact objects into massive black holes in the centers of galaxies. The detection of waves from such �extreme mass ratio inspiral� systems (EMRIs) and extraction of information from ...

The Geoscience Laser Altimeter System (GLAS) has acquired over 250 million individual lidar waveforms over forest regions globally; an unprecedented dataset of vegetation heights. We have demonstrated the ability to retrieve accurate vegetation heights using waveform metrics including vertical extent and transformations of the depth of ...

One of the most exciting potential sources of gravitational waves for low-frequency, space-based gravitational wave (GW) detectors such as the proposed Laser Interferometer Space Antenna (LISA) is the inspiral of compact objects into massive black holes in the centers of galaxies. The detection of waves from such 'extreme mass ratio inspiral' systems (EMRIs) and extraction of ...

One way to produce complete inspiral-merger-ringdown gravitational waveforms from black-hole-binary systems is to connect post-Newtonian (PN) and numerical-relativity (NR) results to create �hybrid� waveforms. Hybrid waveforms are central to the construction of some phenomenological models for gravitational-wave (GW) search ...

In the marine controlled-source electromagnetic method, the Earth response varies in frequency; therefore, using a wide range of frequencies may better constrain geological structure than using a single frequency or only a few closely spaced frequencies. Binary waveforms, such as the square wave, provide a number of frequencies, though many are limited in usefulness because of ...

Digital ion trap (DIT) mass spectrometry requires the ability to precisely and accurately produce waveforms. The quality of the mass spectra produced in terms of resolution and mass accuracy depend on the resolution and precision of the applied waveforms. This publication reveals a novel method for the production of arbitrary ...

Shear and compressional velocities of acoustic waveforms in the earth formations surrounding a well bore are measured by analyzing the waveforms propagated through different lengths of substantially the same formation intervals. Phase analysis techniques applied to waveforms windowed for compressional waves are used to determine the ...

The Einstein Telescope (ET) is a proposed third-generation ground-based interferometric gravitational wave detector, for which the target is a sensitivity that is a factor of 10 better than Advanced LIGO and a frequency range that extends down to �1Hz. Such a third-generation interferometer will provide opportunities to test Einstein�s theory of relativity in the strong field and will realize ...

The late part of the gravitational wave signal of binary neutron-star (or black-hole-neutron-star) inspirals can in principle yield crucial information on the nuclear equation of state via its dependence on relativistic tidal parameters. In the hope of analytically describing the gravitational wave phasing during the late inspiral (essentially up to merger) we propose an extension of the ...

This dissertation is concerned with the processing of multicomponent waveforms to extract information on the location and parameters of partially obscured target signals. A multicomponent waveform is a waveform which is comprised of many copies of other basic waveforms which may have been altered in some systematic ...

We study parameter estimation with post-Newtonian (PN) gravitational waveforms for the quasi-circular, adiabatic inspiral of spinning binary compact objects. In particular, the performance of amplitude-corrected waveforms is compared with that of the more commonly used restricted waveforms, in Advanced LIGO and EGO. With restricted ...

We discuss the properties of the effective-one-body (EOB) multipolar gravitational waveform emitted by nonspinning black-hole binaries of masses ? and M in the extreme-mass-ratio limit ?/M=??1. We focus on the transition from quasicircular inspiral to plunge, merger, and ringdown. We compare the EOB waveform to a Regge-Wheeler-Zerilli ...

The first spectral numerical simulations of 16 orbits, merger, and ringdown of an equal-mass nonspinning binary black hole system are presented. Gravitational waveforms from these simulations have accumulated numerical phase errors through ringdown of < or approx. 0.1 radian when measured from the beginning of the simulation, and < or approx. 0.02 radian when ...

Accurate measurement of electrical power above approx.1 MHz is accomplished by reconstruction of the voltage and current waveforms at a lower frequency using a sampling oscilloscope. The low-frequency waveforms are then multiplied in a 4-quadrant tranconductance-type multiplier module.

Impulse radar has proved to be effective in the nondestructive testing of bridge decks composed of layers of dielectric materials such as asphalt, waterproofing membrane, and reinforced concrete. In this work, the waveforms reflected from these materials are modeled and analyzed theoretically. The relative dielectric constants are measured using sample blocks, and the ...

We construct effective-one-body waveform models suitable for data analysis with the Laser Interferometer Space Antenna for extreme mass-ratio inspirals in quasicircular, equatorial orbits about a spinning supermassive black hole. The accuracy of our model is established through comparisons against frequency-domain, Teukolsky-based ...

We compare waveforms obtained by numerically evolving nonspinning binary black holes to post-Newtonian (PN) template families currently used in the search for gravitational waves by ground-based detectors. We find that the time-domain 3.5PN template family, which includes the inspiral phase, has fitting factors (FFs) {>=}0.96 for binary systems with total mass ...

The transient response of an infinite cylindrical antenna in a dissipative medium due to an exponential waveform excitation is calculated via an exact solution in the form of definite integrals, and a simple and accurate asymptotic formula. The transmissi...

A reference step-like pulse generator is described which has been developed at NBS. This generator can be used for accurately characterizing the step response of various kinds of transient recording equipment (oscilloscopes, waveform recorders, transient ...

The authors describe the design and construction of a relatively simple, inexpensive laser interferometer system for accurate measurements of ultrasonic surface displacement waveforms in reasonable friendly environments. The authors show how analysis of a...

A high-accuracy sampling wattmeter was developed at the National Institute of Standards and Technology (NIST) to investigate the feasibility of using waveform sampling techniques for making very accurate power measurements at frequencies from 50 Hz to 100...

Among the challenging unsolved technical problems that have plagued the minds of scientist and engineers throughout the 20th and 21st century is the development of a quantifiable model to accurately estimate or explain Core Power Losses (CPL). Theoretical...

We present new techniques for evolving binary black hole systems which allow the accurate determination of gravitational waveforms directly from the wave zone region of the numerical simulations. Rather than excising the black hole interiors, our approach...

A weakness of traditional methods of seismic event location is their susceptibility to errors in picking arrival times of regional phases such as Pn, Pg, and teleseismic phases. We evaluate the practical utility of waveform cross- correlation as a way to ...

The design of high-performance negative-feedback oscillators is described. These oscillators deliver a signal with an accurate frequency, waveform and amplitude to an inaccurate load. The way in which the feedback stabilizes the transfer of the amplifier ...

ativistic Balmer formula onto the two-body energy for- mula. Moreover, Eq. (3) holds at 2PN and 3PN or-. 671. 1 der 1231. The coefficients 21, z2 and 23 in ...

This paper introduces a method for decomposing the component responses of the evoked potentials. The decomposition was realized by zero-pole modeling of the evoked potentials in the discrete cosine transform (DCT) domain. It was found that the DCT coeffic...

Laser ultrasonic technique has the potential as an access for quantifying skin property for diagnosis and accurate assessment for skin diseases. This paper presents a finite element (FE) modelling technique which studies the effect laser wavelength has on the generated surface acoustic waveforms in a multilayered skin model. By comparison, this paper ...

To investigate the imprint on the gravitational-wave emission from extreme mass ratio inspirals (EMRIs) in nonpure Kerr spacetimes, we have studied the kludge waveforms generated in highly accurate, numerically generated spacetimes containing a black hole and a self-gravitating, homogeneous torus with comparable mass and spin. In order to maximize their ...

Numerical simulations of merging black hole (BH) binaries can provide a limited number of accurate waveforms for generic precessing binaries. Ideally, these simulations should thoroughly sample the emission-direction-dependent waveforms, through suitable choices for the six spins and two masses. By locally fitting the pairwise overlap ...

A new method has been developed to measure local pressure waveforms in large arteries by using ultrasound. The method is based on a simultaneous estimation of distension waveforms and velocity profiles from a single noninvasive perpendicular ultrasound B-mode measurement. Velocity vectors were measured by applying a cross-correlation based technique to ...

Hardware-related delays between the requested and actual start times of the gradient waveforms on each physical axis are of particular importance for multidimensional selective excitation in which the synchronization of gradient and radiofrequency (RF) waveforms is critical. A method is proposed for the accurate calibration of gradient ...

For the last 30 yr, since Tarantola's pioneering theoretical study of waveform inversion, geophysicists and applied mathematicians have utilized a waveform inversion to delineate the earth's structures. However, successful applications of waveform inversion to real data are nominal. The failures are mainly caused by the high ...

This paper presents a study of the sufficient accuracy of post-Newtonian and numerical relativity waveforms for the most demanding usage case: parameter estimation of strong sources in advanced gravitational wave detectors. For black hole binaries, these detectors require accurate waveform models which can be constructed by fusing an ...

... Title : Waveforms for Active Sensing: Optical Waveform Design and Analysis for Ballistic Imaging Through Turbid Media. ...

waveforms noninvasively from skull movements, ... of pulsatile components of ICP waveforms. Ampli- ... I. Waveforms of the cranial distance and arterial ...

Sonic waveforms acquired in gas-hydrate-bearing sediments indicate strong amplitude loss associated with an increase in sonic velocity. Because the gas hydrate increases sonic velocities, the amplitude loss has been interpreted as due to intrinsic attenuation caused by the gas hydrate in the pore space, which apparently contradicts conventional wave propagation theory. For a ...

Dayton C. Miller of the Case School of Applied Science assembled a series of instruments for accurate analysis of sound [D. C. Miller, J. Franklin Inst. 182, 285-322 (1916)]. He created the Phonodeik to display and record sound waveforms of musical instruments, voices, fog horns, and so on. Waveforms were analyzed with the Henrici ...

The pecking response of pigeons is usually measured by a transducer that senses the presence or absence of a response. Typically, the response force as a function of time has not been accurately measured. Data were collected using a transducer specially designed to record the waveform of the pecking response in pigeons. Each response on the target surface ...

A general method is presented for estimating the uncertainty in hybrid models of gravitational waveforms from binary black-hole systems with arbitrary physical parameters, and thence the highest allowable initial orbital frequency for a numerical-relativity simulation such that the combined analytical and numerical waveform meets some minimum desired ...

ZERO AUTOCORRELATION WAVEFORMS: A DOPPLER STATISTIC AND MULTIFUNCTION PROBLEMS ... These are called CAZAC waveforms. ...

In this paper, we consider a new approach for estimating the fundamental period in fetal ECG waveforms. The fundamental period contains information that is indicative of the physiological condition of the fetus such as hypoxia and acidemia. Our method is based on the minimization of a cost function that measures the differences between the discrete Fourier transform (DFT) of ...

We report on a nonlinear algorithm which identifies R-wave peaks on the surface electrocardiogram, consistent reference points on the left ventricular pressure waveform and the initiation of the QRS complex on the epicardial electrogram. The algorithm has been used to evaluate data from horses, ponies, dogs and humans at rest and during exercise. It permits rapid, ...

Based on the approach suggested by Tarantola, and Gauthier etal., we show that the alternate use of the step (linear) function basis and the block function (quasi-? function) basis can give accurate full waveform inversion results for the layered acoustic systems, starting from a uniform background. Our method is robust against additive white noise (up to ...

The digital waveform sampling rate converter is an efficient, easy-to-use software system that allows a user to perform the conversion between sampling rates efficiently and accurately. The user does not need to be concerned with the technical details of the package. The user simply needs to answer the questions presented by the package, specifying certain ...

The American Thoracic Society (ATS) recently adopted a new set of 26 standard flow-time waveforms for use in testing both diagnostic and monitoring devices. Some of these waveforms have a higher frequency content than present in the ATS-24 standard volume-time waveforms, which, when produced by a mechanical pump, may result in a pump ...

The increasing sophistication and accuracy of numerical simulations of compact binaries (especially binary black holes) presents the opportunity to test the regime in which post-Newtonian (PN) predictions for the emitted gravitational waves are accurate. In order to confront numerical results with those of post-Newtonian theory, it is convenient to compare multipolar ...

We study black-hole binaries in the intermediate-mass-ratio regime 0.01?q?0.1 with a new technique that makes use of nonlinear numerical trajectories and efficient perturbative evolutions to compute waveforms at large radii for the leading and nonleading (?, m) modes. As a proof-of-concept, we compute waveforms for q=1/10. We discuss applications of these ...

Some dynamic environments are characterized by time histories that are not Gaussian. A more accurate simulation of these environments can be generated if a realization of a non Gaussian time history can be reproduced which has a specified auto spectral density (also called power spectral density) and a specified skewness and kurtosis (not necessarily the skewness and kurtosis ...

Lightning subjects overhead power lines to severe effects, and because it gives rise to back flashover, the wave crest value and wave front duration are particularly important, but since it consists of a high-voltage, large-current discharge its nature has been difficult to pin down. So far there have been no accurate waveforms obtained for lightning ...

Fourier analysis is usually employed for the computation of blood flow in arteries. Although the orthogonality of Fourier eigenfunctions guarantees the accurate mathematical modeling of the blood pressure and flow waveforms, the physics behind this objective function is frequently missing. We propose a new method to account for the blood pressure and flow, ...

The two-body dynamics in general relativity has been solved perturbatively using the post-Newtonian (PN) approximation. The evolution of the orbital phase and the emitted gravitational radiation are now known to a rather high order up to O(v8), v being the characteristic velocity of the binary. The orbital evolution, however, cannot be specified uniquely due to the inherent freedom in the choice ...

Accurate mapping of fluvial environments with airborne bathymetric LiDAR is challenged not only by environmental characteristics but also the development and application of software routines to post-process the recorded laser waveforms. During a bathymetric LiDAR survey, the transmission of the green-wavelength laser pulses through the water column is ...

The evolutionary history of the test criteria for lightning testing of aerospace systems and avionics equipment is presented along with a summary of the salient features and the rationale for selection of the parameters specified in the documents. Test criteria are set forth in terms of the various current and voltage waveforms to be used in lightning tests. The simulation ...

Edwards Lifesciences has recently introduced the FloTrac sensor and Vigileo monitor system for monitoring cardiac output continuously. It does not require thermodilution or dye dilution, but rather bases its calculations on arterial waveform characteristics in conjunction with patient demographic data. It is unique among arterial waveform cardiac output ...

Multichannel vibroseis reflection surveys are prevalent in the land exploration seismic industry because of benefits in speed and cost, along with reduced environmental impact when compared to explosive sources. Since the downgoing energy must travel through the shallow subsurface, an improved model of near-surface velocity can in theory substantially improve the resolution of deeper reflections. ...

We present an accurate approximation of the full gravitational radiation waveforms generated in the merger of noneccentric systems of two nonspinning black holes. Utilizing information from recent numerical relativity simulations and the natural flexibility of the effective-one-body (EOB) model, we extend the latter so that it can successfully match the ...

The authors have observed consistent broadband, regional, three-component P waveforms from a set of 11 explosions that occurred at the former Soviet test site in Kazakhstan during 1988 and 1989 and have modeled most of the prominent features in these waveforms to determine upper mantle structure beneath central Eurasia. Using a subset of events as a source ...

One of the objectives of NASA DESDynI (Deformation, Ecosystem Structure and Dynamics of Ice) Mission is to characterize terrestrial ecosystems with respect to biomass, biodiversity, and disturbance/change through time. Forest degradation, which was defined by the UNFCCC (COP-13) as any forest that has experienced a loss, is an important aspect of forest disturbance. DESDynI, utilizes both lidar ...

The need for providing accurate and reliable templates for detecting gravitational waves from the LIGO and LISA gravity wave detectors has fueled the numerical relativity effort toward solving the binary black hole problem. The waveforms from these simulations are vital in extending the mass reach of the ground based detectors to include the intermediate ...

Wide--angle Fourier-- or dual--domain derivations of one--way wave equations (e.g., phase--screen and wide-- angle exponential propagator methods) can accurately simulate seismic waveforms for many forward propagation problems. Although these techniques can be considered computationally efficient methods when compared to more complete ...

This article presents the use of new remote sensing data acquired from airborne full-waveform lidar systems for hydrological applications. Indeed, the knowledge of an accurate topography and a landcover classification is a prior knowledge for any hydrological and erosion model. Badlands tend to be the most significant areas of erosion in the world with the ...

We propose a strategy to overcome the high sensitivity to early-time noise of the Laplace-domain waveform inversion. In deep-sea seismic data, this problem is particularly crucial to obtaining accurate velocity structures. To this end, rather than simply filtering or muting early-time data, we propose replacing the original, noise-contaminated direct waves ...

Double-difference waveform inversion is a promising tool for quantitative monitoring for enhanced geothermal systems (EGS). The method uses time-lapse seismic data to jointly inverts for reservoir changes. Due to the ill-posedness of waveform inversion, it is a great challenge to obtain reservoir changes accurately and efficiently, ...

Electrical dosimetry issues are discussed in relation to electrical stun devices (ESDs). A measure of effectiveness is based on a 'threshold factor,' FT, calculated with a myelinated nerve model that simulates stimulation of a reference-case neuron (20 �m diameter, 1 cm distant). Several ESDs were measured in the laboratory using resistive loads of 100-1000 ? some included air gaps bridged via ...

Travel time is the reciprocal of speed and is a useful measure of road congestion and traffic variable that is used in many intelligent transportation system strategies such as route guidance, incident detection, and traveler information systems. Previously, speeds were mainly acquired from double inductive loops configured as speed traps, because single loop speed estimates based on assumptions ...

Binary neutron-star systems represent one of the most promising sources of gravitational waves. In order to be able to extract important information, notably about the equation of state of matter at nuclear density, it is necessary to have in hands an accurate analytical model of the expected waveforms. Following our recent work, we here analyze more in ...

New ultrasonic inspection techniques have been implemented to evaluate cement bond and casing conditions. These techniques, relying on state of the art downhole, high-speed waveform digitization, can successfully determine cement voids and channels and also provide accurate bond information in the presence of a microannulus. The downhole microprocessor ...

Accurate neuron models at the level of the single cell are composed of dendrites described by a large number of compartments. The network-level simulation of complex nervous systems requires highly compact yet accurate single neuron models. We present a systematic, numerically efficient and stable model order reduction approach to reduce the complexity of ...

This paper describes the basis of an alternative approach for accurately locating faults on teed feeders and the technique developed utilizes fault voltages and currents at all three ends. The method is virtually independent of fault resistance and largely insensitive to variations in source impedance, teed and line configurations, including line untransposition. The paper ...

During this contract's performance period, we intend to complete the development of a method for determining crust and upper mantle structure in seismic regions and evaluate its capacity to produce sufficiently accurate models for locating hypocenter of s...

The transient response of an infinite cylindrical antenna in a dissipative medium due to an exponential waveform excitation is calculated via an exact solution in the form of definite integrals, and a simple and accurate asymptotic formula. The transmission-line solution is shown to be a limiting case of the exact solution obtained. By-products of this ...

In addition to the accurate matter and horizon dynamics of the collapse of rotating stars to black holes, we present the first three-dimensional calculations of the gravitational wave emission in such a process. The initial models are polytropes which are dynamically unstable and near the mass-shedding limit. The waveforms have been extracted using a ...

An HVdc fault location scheme is described which relies on very precise detection of the time of arrival of fault created surges at both ends of the line. Such detection is achieved by a very accurate data acquisition and processing system combined with the time reference signals provided by a global positioning system receiver. Extensive digital simulation is carried out to ...

An experimental investigation was conducted into the effectiveness with which aero-optic aberrations imposed turbulent flows is called "aero-optics." The phase characteristics of the initial light beam can be restored, computation of the conjugate waveform is predicated on an accurate determination of the original aero-optic

Gravitational waves generated by inspiralling compact binaries are investigated to the second-post-Newtonian (2PN) approximation of general relativity. Using a recently developed 2PN-accurate wave generation formalism, we compute the gravitational wavefor...

Constraint Hamiltonian dynamics is used in an effective one-body approach to study relativistic gravitational two-body system with spin-orbit interaction. Radii of circular orbits, approximate location of innermost stable circular orbit (ISCO), periastron shift, and gravitomagnetic clock effect in the orbit of a non-spinning body around a slowly spinning ...

... this methodology of seismic comparison, treating P and S waveforms and solutions ... Figure 3 shows the waveform fit between the observed P and S ...

... In particular, we find that the waveform solutions obtained ... Descriptors : *WAVEFORMS, *ITERATIONS, *DESIGN CRITERIA, *RADAR, METRICS ...

Fitting a six parameter model waveform to over ocean experimental data from the waveform samplers in

... feature vectors from the waveform, and (3 ... Descriptors : *PROGRAMMING MANUALS, *ALGORITHMS, *WAVEFORMS, *PATTERN RECOGNITION ...

... herein are rela- tive to the use of an LFM waveform without the ... consider the impact of the whitening filter in combination with optimal waveforms. ...

... Title : Preliminary Report on Pulse Compression Waveforms and Their Application to Waveform Agility. Descriptive Note : Technical rept. ...

... of Unsynchronized FDM Waveforms BE White ... ON THE CLOSE PACKING OF UNSYNCHRONIZED FDM WAVEFORMS BE WHITE Group 67 ...

... Title : On Waveform Multigrid Method. ... Waveform relaxation, Multigrid, Spectral radius, Fourier-Laplace, Steady-state problem. ...

... waveform signal epochs to the input layer of ... forms no longer causes the interconnection weights to ... correctly identify each of the distinct waveforms. ...

... Monaural and Binaural Processing of Complex Waveforms AFOSR Grant (G) ... Monaural and Binaural Processing of Complex Waveforms ...

... describe the optimization of an information theoretic criterion for radar waveform design. The method is used to design radar waveforms suitable for ...

... Title : EMPFIT: A Computer Code for Fitting EMP Waveforms that Facilitates the Calculation Waveforms that Facilitates the Calculation of the Fourier ...

... using scaled Detection of Frequency-Hopped Waveforms Embedded in Interference Waveforms with Noise John Weber ...

... Accession Number : ADA497957. Title : Detection of Frequency-Hopped Waveforms Embedded in Interference Waveforms with Noise. ...

Page 1. Communication Channel Estimation and Waveform Design: ... February 2010 Communication Channel Estimation and Waveform Design: ...

... processing unit is used to synthesize an arbitrary waveform and create a ... address space and placed into an independent waveform generation unit. ...

... object of the present invention to provide an arbitrary waveform generator. ... of signals, or all signals to form a unique waveform generation sequence ...

We describe a high-performance time-resolved fluorescence (HPTRF) spectrometer that dramatically increases the rate at which precise and accurate subnanosecond-resolved fluorescence emission waveforms can be acquired in response to pulsed excitation. The key features of this instrument are an intense (1??J/pulse), high-repetition rate (10 kHz), and short ...

We describe a high-performance time-resolved fluorescence (HPTRF) spectrometer that dramatically increases the rate at which precise and accurate subnanosecond-resolved fluorescence emission waveforms can be acquired in response to pulsed excitation. The key features of this instrument are an intense (1 ?J/pulse), high-repetition rate (10 kHz), and short ...

Recent breakthroughs in numerical relativity enable one to examine the validity of the post-Newtonian expansion in the late stages of inspiral. For the comparison between post-Newtonian (PN) expansion and numerical simulations, the waveforms in terms of the spin-weighted spherical harmonics are more useful than the plus and cross polarizations, which are used for data analysis ...

Recent breakthroughs in numerical relativity enable one to examine the validity of the post-Newtonian expansion in the late stages of inspiral. For the comparison between post-Newtonian (PN) expansion and numerical simulations, the waveforms in terms of the spin-weighted spherical harmonics are more useful than the plus and cross polarizations, which are used for data analysis ...

Accurate and rapid CMT inversion is important for seismic hazard analysis. We have developed an algorithm for very rapid CMT inversions in a 3D Earth structure model and applied it on small to medium-sized earthquakes recorded by the Southern California Seismic Network (SCSN). Our CMT inversion algorithm is an integral component of the scattering-integral (SI) method for ...

Multisensor applications rely on effectively managing sensor resources. In particular, next-generation multifunctional agile radars demand innovative resource management techniques to achieve a common sensing goal while satisfying resource constraints. We consider an active sensing platform where multiple waveform-agile radars scan a hostile surveillance area for targets. A ...