meter precision and 10-m ranging accuracy were achieved. ... accuracy achieved with precision ranging was marginally better than that obtained ...

Demonstration of High-Altitude, Laser Swath Mapping: Achieving the Accuracy Required ... and share many characteristics indicating common genetic histories. ...

Spatial-phase-locked electron-beam lithography (SPLEBL) is a novel approach to achieving very high pattern-placement accuracy, and precision, in electron beam lithography. The accuracy achieved by SPLEBL is essential in order to enable the continuation of...

This paper describes a background calibration method for enhancing the accuracy and linearity of a switched-capacitor digital-to-analog converter. It can be used alone or in combination with mismatch shaping to achieve very high accuracy and linearity combined with high speed. 1.

The high accuracy fuel flowmeter development program is described. A flightworthy meter that measures mass flowrate of aircraft fuels to within + or - 0.25% of reading over a 50:1 range of flow is developed. A study of measurement techniques to achieve th...

The prediction error can be decreased by incorporating with high accuracy estimation and compensation, and the performance of compressed video can be improved. Two fast algorithms of fractional-pixel accuracy video motion estimation are proposed in this paper. After half-pixel accuracy motion estimation, a ...

A one-half order of magnitude accuracy improvement is obtained for an electrostatic gyro strapdown navigation system by using a high-accuracy calibration technique. The system achieves cancellation of instrument errors by rotating the instrument cluster. The instrument errors that do not cancel out with rotation are modeled in a ...

... beam lithography (SPLEBL) is a novel approach to achieving very high pattern-placement accuracy, and precision, in electron beam lithography. ...

... index waveguide and using measured values of surface index and substrate index. Good accuracy was achieved by maintaining tight parameter ...

... result set, which helps a lot in achieving high classification accuracy. By introducing several novel search strategies and pruning methods into the ...

... Also we can see on Fig. 5 that the excellent simulation accuracy is achieved for the atomic oxygen fraction profile within the whole boundary layer ...

This paper describes the design of an optimized combined neutron and gamma detector installed around a measurement well protruding from the floor of a glove box. The objective of this design was to achieve an overall accuracy for the plutonium element con...

In order to better understand the processes resulting in the release of chemical energy, one needs a computational technique of high accuracy. One alternative approach to the current quantum chemistry techniques for molecular studies which holds great pro...

A new cyclone bypass is adopted to prevent collision of dusts and water splash to the sensing element. Poly silicon heater and temperature sensor are used to obtain corrosion resistance and acidity-proof of the sensing element. The signal conditioning LSI compensates sensor characteristic by calculate 3rd order polynomial expression. Micro airflow sensor for automobile with ...

... in order to improve the astrometric accuracy at these ... The accuracy of a celestial reference frame ... the European Space Agency GAIA will achieve ...

We experimentally implement a new method for high-accuracy optical computing using interval arithmetic and the fixed-point theorem. In the implementation, a fixed point of an affine transformation is calculated by a TV feedback system. Employing interval arithmetic, the errors associated with an optical setup can be ignored. We evaluate two constraints on the optical system ...

astrophysical assumptions. To achieve the sub-milliarcsecond astrometric accuracy at op- tical wavelengths parallaxes to Galactic size scales (e.g., Lindegren 2009). Despite the high accuracy, GAIA will suffer from March. Results. We report trigonometric parallaxes for five star-forming regions, with ...

. To achieve the sub-milliarcsecond astrometric accuracy at op- tical wavelengths requires space to Galactic size-scales (e.g., Lindegren 2009). Despite the high accuracy, GAIA will suffer from dust, March. Results. We report trigonometric parallaxes for five star forming regions, with ...

An electron ray tracing program is developed to investigate the overall geometrical and chromatic aberrations in electron optical systems. The program also computes aberrations due to manufacturing errors in lenses and deflectors. Computation accuracy is improved by (1) calculating electrostatic and magnetic scalar potentials using the finite element method with third-order ...

This note is an account of the authors' effort in both understanding the Booster high field orbit and controlling it through displacements of the main combined function magnets. We were able to achieve the second goal with considerable accuracy while havi...

function of the frequency of acquisition and tracking of the GPS signals. ... High- fidelity simulations were performed to study two proposed formation-flying missions. ... improvements achievable using a high-accuracy multi-satellite filter to ...

The requirements for accurate numerical simulation are increasing constantly. Modern high precision physics experiments now exceed the achievable numerical accuracy of standard commercial and scientific simulation tools. One example are optical resonators for which changes in the optical length are now commonly measured to 10^{-15} ...

accuracy, and rate as well as robotic arm operational accuracy achieved by the ... operational accuracy achieved by the human-robot system. Section 2 sets the ...

The accuracy of digital and optical Hough transform (HT) processors is analyzed. New correction techniques to achieve improved accuracy are addressed. A new output format optical HT system using computer generated holograms (CGHs) is described and analyzed and its accuracy is found to be superior to that of digital ...

standard high speed interconnects to achieve better trade-offs during timing tests of their applications. 2 of the extended model to predict the test yield of standard high-speed interconnects, such as PCI Express, Rapid Parameter Max (ps) AL (ps) AY (%) under the defined test environment below Required OTETA to ...

We have developed a fast and high-accuracy three-dimensional (3-D) imaging laser radar that can achieve better than 1-mm range accuracy for half a million pixels in less than 1 s. Our technique is based on range-gating segmentation. We combine the advantages of gated viewing with our new fast technique of 3-D imaging. The system uses a ...

MECC began an education and training programme in 1998 to teach registry staff the standards specified in the Manual of Standards for Cancer Registration. MECC has offered several courses since the project began. Training emphasises the methods required to achieve high levels of accuracy in data abstracting and coding.

The challenge of the high accuracy of certain optical measurements, the long coherence length of light provokes one to search for possibilities to enlarge the neutron coherence length. A proposal is made to achieve this by using a five or a four plate Bon...

From the birth of radar there has been a steady trend to increase the radiated bandwidth to obtain high resolution, extreme accuracy, target identification, and fine imagery. The ultimate radiated waveform to achieve these goals is an impulse. The present...

We propose a micro-hand having two fingers which are controlled with multiple degree of freedom like chopsticks to perform dexterous manipulation. The parallel link mechanism is applied to the micro hand mechanism in order to achieve high accuracy and mul...

digital voltmeter (DVM) is connected through a 10-to-1 divider, so it will read 220 Volts.) The high with an accuracy of a few percent or better. In order to achieve this goal in a conceptually simple way, we look a histogram of the results, and look for the expected exponential decay law. If this sounds simple, it

Magnetic bearings have demonstrated the capability for achieving positioning accuracies at the nanometer level in precision motion control stages. This makes possible the positioning of a wafer in six degrees of freedom with the precision necessary for ph...

A new high-precision measurement of the magnetic moment ratio mu sub He3/mu sub p by an NMR technique is reported. An accuracy of 0.1 ppm was achieved which represents an improvement by a factor of 10 relative to an earlier determination. With this new va...

Dec 31, 2008 ... Dark energy constraints from G(z) are highly complementary to those ... same or better statistical accuracy on w can be achieved by direct, ...

Combined Satellite and Inertial Navigation Systems can achieve extremely high positioning accuracies in the sub meter range even in the dynamic environment of aircraft. This paper presents the concept of the 'Integrated Navigation System' developed at the...

dynamics Satellite (LAGEOS) spacecraft have been at- tributed to unmodeled thermal forces [3,4]. To achieve a high level of orbit accuracy, an accurate model of ...

We report a proof-of-principle experiment on distant clock synchronization. Besides the achievement of picosecond resolution at 3 km distance, this experiment demonstrated a concept for high-accuracy nonlocal timing and positioning based on the quantum feature of entangled states.

During geometry processing, tangent directions at the data points are frequently readily available from the computation process that generates the points. It is desirable to utilize this information to improve the accuracy of curve fitting and to improve ...

The computer simulation of existing buildings presents unique problems and opportunities. A high level of accuracy can only be achieved through optimization of three factors: (1) an intimate understanding of the simulation tool; (2) an intimate understanding of the building to be simulated; (3) careful analysis and critique of output ...

To minimize accountability inventory differences, high accuracy standards are needed to complement recently developed high precision NDA instruments. A program to acquire specific material standards having the highest achievable accuracy was developed and successfully completed. The goal for ...

A Fourier domain (FD) optical coherence tomography (OCT) system is shown to be capable of profilometry with two orders of magnitude better accuracy than the axial imaging resolution of the system. High precision OCT profilometry not only achieves similar accuracy as commercial white light interferometry based ...

We developed a high-resolution absolute optical encode that achieves a resolution of 4,194,304 Division/Rev at a diameter of 34mm, based on the new angle detection principles, by which the two sets of interpolation data of two differing cycles and M-Code data are mixed. This absolute encoder also achieves an ...

This paper describes a technique for achieving accurate numerical simulations of advective transport at large Courant numbers using large time steps. The scheme is called ULTIMATE DISCUS and it implements Leonard's universal flux limiter and QUICKEST algorithms within a semi- Lagrangian treatment of advection. This enables the scheme to achieve monotonic ...

�scale distances. Despite the high accuracy reachable in the optical, GAIA will suffer from dust extinction.7 GHz methanol maser transition is a very valuable astrometric tool, for its large stability present here preliminary results for five of them. We achieve accuracies of up to 51 �as, which still have

discussion of the accuracy and cosine error of pyranometers, and the uncertainty in precipitable water those of the BSRN/ error of pyranometers are examined along with WMO network, to achieve high accuracy compo- radiation measured with a pyranometer/ nent from global measurements. The departure tracking

Controlled potential coulometry is an electrochemical technique of high accuracy and precision and is especially suitable to the analysis of precious metals. Only approx. 5 mg of metal are required for each determination, and an accuracy and precision within 0.1% can be achieved routinely. The technique and its ...

The International Muon Ionization Cooling Experiment (MICE) is devoted to a study of a muon cooling channel capable of giving the desired performance for a Neutrino Factory. One of the goals is achieving an absolute accuracy of measurements of emittance reduction as high as {+-} 0.1%. The paper describes results of a Monte Carlo study ...

... a grid. The interpolation accuracy defines the accuracy that a Tactical Decision Aid (TDA) can achieve. Observations of ...

This paper reviews some past scientific achievements and current objectives of the UK Ariel series of satellites in relation to spacecraft attitude control. It is necessarily very selective. Distinction is drawn between operational pointing accuracy and post facto attitude reconstruction accuracy. The part played by ground control ...

The joint contributions of child effortful control (using inhibitory control and task accuracy as behavioral indices) and positive teacher-student relationships at first grade on reading and mathematics achievement at second grade were examined in 761 children who were predominantly from low-income and ethnic minority backgrounds and assessed to be ...

The joint contributions of child effortful control (using inhibitory control and task accuracy as behavioral indices) and positive teacher-student relationships at first grade on reading and mathematics achievement at second grade were examined in 761 children who were predominantly from low-income and ethnic minority backgrounds and assessed to be ...

The joint contributions of child effortful control (using inhibitory control and task accuracy as behavioral indices) and positive teacher-student relationships at first grade on reading and mathematics achievement at second grade were examined in 761 children who were predominantly from low-income and ethnic minority backgrounds and assessed to be ...

Photon counting detectors have to work at high count rates at synchrotron radiation sources. It is well known that at high count rates, counts may be lost because the time difference between the arrival of two X-rays in the detector can be too small to resolve each count. This is conventionally modelled in the paralyzable deadtime model. In a previous ...

The authors affirm that the ability to deliver a reconnaissance payload over 300 miles from a launch point to better than 35 m can be achieved by using a tightly integrated GPS (Global Positioning System)-inertial system. This system provides navigation, guidance, airframe and payload management functions for an unmanned air vehicle (UAV). High ...

Improving the classification performance is a crucial step of any machine learning method. In order to achieve a better classification Support Vector Machines need to tune parameters and to select relevant variables. To simultaneously perform both targets an embedded approach can be considered. This method consists of a two-layer algorithm where an evolutionary approach ...

... are estimates of optimistic achievable accuracies under field conditions; static test accuracies or manufacturer's quoted accuracies may be greater ...

This paper presents an innovative driving method for an on-chip robot actuated by permanent magnets in a microfluidic chip. A piezoelectric ceramic is applied to induce ultrasonic vibration to the microfluidic chip and the high-frequency vibration reduces the effective friction on the MMT significantly. As a result, we achieved 1.1 micrometre positioning ...

In addressing the problem of achieving high-accuracy real-time speech recognition systems, we focus on recognizing speech from ARPA's 20,000- word Wall Street Journal (WSJ) task, using current UNIX workstations. We have found that our standard approach-us...

This paper presents a novel scheme to generate and detect Brillouin dynamic grating in a polarization-maintaining optical fiber based on one laser source. Precise measurement of Brillouin dynamic grating spectrum is achieved benefiting from that the pump, probe and readout waves are coherently originated from the same laser source. Distributed discrimination of strain and ...

... Title : Effect of the Dimensions of the Specimens on the Accuracy of Determination of the Cracking Resistance of High-Alloy Steels,. ...

Some theoretical fundamentals of monotone high accuracy methods are presented. The conditions for the construction of monotone, total variation diminishing (TVD) and following difference schemes are described. The peculiarities of high accuracy and implic...

By measurement of the frequency of a vibrational overtone transition in the molecular hydrogen ion HD{sup +}, we demonstrate the first optical spectroscopy of trapped molecular ions with submegahertz accuracy. We use a diode laser, locked to a stable frequency comb, to perform resonance-enhanced multiphoton dissociation spectroscopy on sympathetically cooled HD{sup +} ions at ...

This paper describes how various technologies are used to achieve the desired performance in a high current magnet power converter system. It is hoped that the discussions of the design approaches taken will be applicable to other power supply systems where stringent requirements in stability, accuracy and reliability must be met.

This paper describes the design of an optimized combined neutron and gamma detector installed around a measurement well protruding from the floor of a glove box. The objective of this design was to achieve an overall accuracy for the plutonium element concentration in gram-sized samples of plutonium oxide powder approaching the {approximately}0.1--0.2% ...

Elemental composition determination of volatile organic compounds through high mass accuracy and isotope pattern matching could not be routinely achieved with a unit-mass resolution mass spectrometer until the recent development of the comprehensive instrument line-shape calibration technology. Through this unique technology, both m/z ...

The purpose of incorporating stereotactic methodology into neurosurgical operations is to achieve a consistently high degree of accuracy in localizing intracranial targets. Therefore, the limits of resolution for the operation are a function of the accuracy of the particular stereotactic frame system. The total ...

A high accuracy 3D electromagnetic finite element field solver employing quadratic hexahedral elements and quadratic mixed-order one-form basis functions will be described. The solver is based on an object-oriented C++ class library. Test cases demonstrate that frequency errors less than 10 ppm can be achieved using modest ...

A high accuracy 3D electromagnetic finite element field solver employing quadratic hexahedral elements and quadratic mixed-order one-form basis functions will be described. The solver is based on an object-oriented C++ class library. Test cases demonstrate that frequency errors less than 10 ppm can be achieved using modest ...

In this paper we present accurate methods for the numerical solution of the Boltzmann equation of rarefied gas. The methods are based on a time splitting technique. The transport is solved by a third order accurate (in space) positive and flux conservative (PFC) method. The collision step is treated by a Fourier approximation of the collision integral, which guarantees spectral ...

A lidar system from an orbital platform is used to simulate the measurement of winds in the atmosphere using different scattering regimes. A high-resolution Fabry-Perot interferometer with a multiple-ring anode detector is used in the simulations. The main factors that limit the accuracy and spatial resolution of the measurement, such as laser bandwidth, ...

We present techniques for the tropospheric delay calibration, which is the key to increasing the accuracy of the phase-referencing astrometry with Very Long Baseline Interferometry (VLBI). We study three methods, and make a comparison of these methods to discuss the accuracy in calibration. Our results show that all three methods can calibrate the ...

Analysis to define an optimal data plan and to define achievable accuracy levels in determination of

A three-dimensional range camera is a state-of-the-art imaging technology that has strong potential for various closerange high-precision measurement applications. One such application is the measurement of structural deformation under external loading conditions. Deformation tests have been conducted on two concrete beams with and without steel-reinforced polymer sheets in an ...

Pattern Recognition is a useful tool for deciphering movement intent from myoelectric signals. Recognition paradigms must adapt with the user in order to be clinically viable over time. Most existing paradigms are static, although two forms of adaptation have received limited attention. Supervised adaptation can achieve high accuracy ...

... Accession Number : ADA107425. Title : The Effect of Ionospheric Variability on the Accuracy of High Frequency Position Location. ...

... Accession Number : ADA035516. Title : Development of a High Accuracy Luminance Calibration Service for Radioluminous Sources. ...