Measurement

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Measurement is the process or the result of determining the magnitude of a quantity, such as length or mass, relative to a unit of measurement, such as a metre or a kilogram. (Wikipedia.org)






Conferences related to Measurement

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2020 IEEE 16th International Workshop on Advanced Motion Control (AMC)

AMC2020 is the 16th in a series of biennial international workshops on Advanced Motion Control which aims to bring together researchers from both academia and industry and to promote omnipresent motion control technologies and applications.


2019 21st European Conference on Power Electronics and Applications (EPE '19 ECCE Europe)

Energy conversion and conditioning technologies, power electronics, adjustable speed drives and their applications, power electronics for smarter grid, energy efficiency,technologies for sustainable energy systems, converters and power supplies


2019 IEEE 46th Photovoltaic Specialists Conference (PVSC)

Photovoltaic materials, devices, systems and related science and technology


2019 IEEE Applied Power Electronics Conference and Exposition (APEC)

APEC focuses on the practical and applied aspects of the power electronics business. The conference addresses issues of immediate and long term importance to practicing power electronics engineer.


2019 IEEE Industry Applications Society Annual Meeting

The Annual Meeting is a gathering of experts who work and conduct research in the industrial applications of electrical systems.


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Periodicals related to Measurement

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Aerospace and Electronic Systems Magazine, IEEE

The IEEE Aerospace and Electronic Systems Magazine publishes articles concerned with the various aspects of systems for space, air, ocean, or ground environments.


Antennas and Propagation, IEEE Transactions on

Experimental and theoretical advances in antennas including design and development, and in the propagation of electromagnetic waves including scattering, diffraction and interaction with continuous media; and applications pertinent to antennas and propagation, such as remote sensing, applied optics, and millimeter and submillimeter wave techniques.


Applied Superconductivity, IEEE Transactions on

Contains articles on the applications and other relevant technology. Electronic applications include analog and digital circuits employing thin films and active devices such as Josephson junctions. Power applications include magnet design as well asmotors, generators, and power transmission


Automatic Control, IEEE Transactions on

The theory, design and application of Control Systems. It shall encompass components, and the integration of these components, as are necessary for the construction of such systems. The word `systems' as used herein shall be interpreted to include physical, biological, organizational and other entities and combinations thereof, which can be represented through a mathematical symbolism. The Field of Interest: shall ...


Automation Science and Engineering, IEEE Transactions on

The IEEE Transactions on Automation Sciences and Engineering (T-ASE) publishes fundamental papers on Automation, emphasizing scientific results that advance efficiency, quality, productivity, and reliability. T-ASE encourages interdisciplinary approaches from computer science, control systems, electrical engineering, mathematics, mechanical engineering, operations research, and other fields. We welcome results relevant to industries such as agriculture, biotechnology, healthcare, home automation, maintenance, manufacturing, pharmaceuticals, retail, ...


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Most published Xplore authors for Measurement

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Xplore Articles related to Measurement

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Fill level measurement in a closed vessel by monitoring pressure variations due to thermodynamic equilibrium perturbation

2008 IEEE Instrumentation and Measurement Technology Conference, 2008

This paper presents investigations on how to determine the fill level/volume of a fluid in a vessel by means of evaluating the characteristics of pressure changes in the vapor pressure. A laboratory measurement setup is proposed and measurement results for water are presented. Observations and findings may be used for fill level measurement in tanks containing cryogenic fluids without major ...


Comparative magnetic field measurements for homogeneity adjustment of magnetic resonance imaging equipments

2017 11th International Conference on Measurement, 2017

The goal of this paper is to demonstrate three methods for static magnetic field measurement on a whole body magnetic resonance imager. The measured data are serving for computation of feeding currents of correcting coils for the static magnetic field used in NMR imaging. The methods suggest to measure the magnetic field in selected points twice: 1. correcting coils are ...


Generalized phase measurement and processing with application in the time-frequency measurement control and link

2013 Joint European Frequency and Time Forum & International Frequency Control Symposium (EFTF/IFC), 2013

Traditional phase measurement is limited by the identical nominal frequencies of two compared signals. In a lot of applications, there are higher requirements not only on measurement accuracy, but also on the frequency range of compared signals. After years of exploration and efforts, we have discovered some concepts and characteristics which can reflect mutual phase relationship among different frequency signals, ...


Low distortion power amplifier for battery measurement systems

2012 IEEE International Instrumentation and Measurement Technology Conference Proceedings, 2012

Typically a battery is the best choice as electrical energy storage for mobile applications. Design and optimization of the system components are based on simulation of the whole system needing an adequate battery model. For the parameter identification measurement data is needed. This work presents a prototype of a measurement system that is capable of testing and obtaining the required ...


Fast, high accuracy, freely programmable single cell battery measurement system

2015 IEEE International Instrumentation and Measurement Technology Conference (I2MTC) Proceedings, 2015

Batteries are the most practical energy storage for mobile electrical devices. Aiming for more efficient battery systems results in new challenges for developers and scientists. Equipping a mobile device with an adequate battery typically requires an accurate model about the battery's behavior. To establish good models, precision measurements are necessary. In this paper we describe the development and evaluation of ...


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Educational Resources on Measurement

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IEEE.tv Videos

IMS 2011 Microapps - Panel Session: Nonlinear Measurements
Micro-Apps Keynote 2013: Modern RF Measurements and How They Drive Spectrum Analyzer Digital IF Processor Design
IMS 2011 Microapps - A Comparison of Noise Parameter Measurement Techniques
Brooklyn 5G Summit 2014: Channel Measurements Summary by Ted Rappaport
IMS 2012 Microapps - Use of FPGAs for Faster Test Times and Repeatability on Cellular Measurements
IMS 2011 Microapps - Pulsed S-Parameter Measurements Using PXI Instruments
IMS 2011 Microapps - Time Domain Measurements in Waveguide
Brooklyn 5G - 2015 - Andreas F. Molisch - Channel Measurements for Massive MIMO
IMS 2011 Microapps - IQ Mixer Measurements: Techniques for Complete Characterization of IQ Mixers Using a Multi-Port Vector Network Analyzer
IMS 2011 Microapps - Ultra Low Phase Noise Measurement Technique Using Innovative Optical Delay Lines
IMS 2011 Microapps - Waveguide Characteristics and Measurement Errors
IMS 2012 Microapps - Generation and Analysis Techniques for Cost-efficient SATCOM Measurements Richard Overdorf, Agilent
IMS 2012 Microapps - Basic Amplifier Measurements with the RF Vector Network Analyzer (VNA) Taku Hirato, Agilent
Innovative Transmission Line Measurement and Characterization Reduce Time to Repair for Complex Communication Systems: MicroApps 2015 - Keysight Technologies
IMS 2011 Microapps - Vector-Receiver Load Pull - Measurement Accuracy at its Best
IMS 2012 Microapps - Passive Intermodulation (PIM) measurement using vector network analyzer Osamu Kusano, Agilent CTD-Kobe
ISEC 2013 Special Gordon Donaldson Session: Remembering Gordon Donaldson - 7 of 7 - SQUID-based noise thermometers for sub-Kelvin thermometry
I2MTC 2014 Conference Preview
APEC 2012 - Thomas S. Buzak Plenary
5G Wireless A Measurement and Metrology Perspective: MicroApps 2015 - Keysight Technologies

IEEE-USA E-Books

  • Fill level measurement in a closed vessel by monitoring pressure variations due to thermodynamic equilibrium perturbation

    This paper presents investigations on how to determine the fill level/volume of a fluid in a vessel by means of evaluating the characteristics of pressure changes in the vapor pressure. A laboratory measurement setup is proposed and measurement results for water are presented. Observations and findings may be used for fill level measurement in tanks containing cryogenic fluids without major modifications.

  • Comparative magnetic field measurements for homogeneity adjustment of magnetic resonance imaging equipments

    The goal of this paper is to demonstrate three methods for static magnetic field measurement on a whole body magnetic resonance imager. The measured data are serving for computation of feeding currents of correcting coils for the static magnetic field used in NMR imaging. The methods suggest to measure the magnetic field in selected points twice: 1. correcting coils are switched off and 2. measurement of magnetic field changes caused by switching on the feeding current of particular correcting coil in each of selected measuring points. Measurements are realized using: magnetometer based on Hall effect, NMR point magnetometer and gradient echo imaging method applied to circular test tubes. All three measurements measure magnetic field on a circle (12 measuring points) and one point in the center. A set of linear equations, determination of a target function and optimization computations are procedures that provide optimal values of currents for correcting coils. Results of all three methods are compared and discussed. The proposed method is suitable for periodic testing and magnet in homogeneities correction for MRI magnets.

  • Generalized phase measurement and processing with application in the time-frequency measurement control and link

    Traditional phase measurement is limited by the identical nominal frequencies of two compared signals. In a lot of applications, there are higher requirements not only on measurement accuracy, but also on the frequency range of compared signals. After years of exploration and efforts, we have discovered some concepts and characteristics which can reflect mutual phase relationship among different frequency signals, such as Least Common Multiple Period, Phase Difference Quantization Step, Equivalent Phase Comparison Frequency, and the continuous phase group characteristics with the least common multiple period (as the time interval and the quantization step phenomenon that the phase difference of the two different frequency signals will change according to a specific value in one least common multiple period). In the process of experiments, we have discovered ambiguity zone edge effects and measurement method of periodic signal parameter quantization error elimination. We achieved precise frequency source synchronization and link, phase processing and measurement between completely different frequency signals with complex relationship. Through updating concepts, we move phase comparison and processing beyond identical frequency signals and extend to arbitrary frequency signals. Major applications include measurement of transient stability, phase noise measurement, edge effects for accurate frequency measurement method of Serial and Parallel. These breakthroughs promote rapid development in the area of measurement and instrument, and some difficult research problems have been solved.

  • Low distortion power amplifier for battery measurement systems

    Typically a battery is the best choice as electrical energy storage for mobile applications. Design and optimization of the system components are based on simulation of the whole system needing an adequate battery model. For the parameter identification measurement data is needed. This work presents a prototype of a measurement system that is capable of testing and obtaining the required measurements from batteries with capacities from a few mAh for embedded devices to several hundred Ah for hybrid electric vehicles and electric vehicles.

  • Fast, high accuracy, freely programmable single cell battery measurement system

    Batteries are the most practical energy storage for mobile electrical devices. Aiming for more efficient battery systems results in new challenges for developers and scientists. Equipping a mobile device with an adequate battery typically requires an accurate model about the battery's behavior. To establish good models, precision measurements are necessary. In this paper we describe the development and evaluation of a fast, highly accurate and freely programmable battery measurement system. The system consists of a current source which can sink and source currents up to 32 A in a frequency range from DC to 20 kHz, combined with a high resolution measurement of current, voltage and temperature.

  • Measurement Capability of Scanning Microwave Microscopy: Measurement Sensitivity Versus Accuracy

    Here, we investigate the measurement capability of a near-field scanning microwave microscope (SMM) using an atomic force microscope with several types of matching circuits for the characterization of high-permittivity dielectric materials. A fixed impedance matching circuit is generally used in SMM products. In this paper, we propose two types of passive interferometer circuits for the application of SMM systems in laboratories. Both systems are useful for operators without knowledge of microwave measurements; however, they are somewhat limited in their measurement ranges and accuracy when performing high-reflection measurements in the characterization of high- permittivity dielectric materials. Thus, we investigate the stability and the accuracy of SMMs with both setups for measurements on high-permittivity dielectric materials; here, we show that an SMM with an interferometric circuit can achieve a low data distribution and a high-dynamic range, and is, therefore, capable of quantitatively characterizing high-permittivity dielectric materials over frequencies higher than approximately 8 GHz.

  • The NIST project for the electronic realization of the kilogram

    The project Electronic Realization of the Kilogram has rebuilt the National Institute of Standards and Technology (NIST) watt balance, which has been fully operational for nine months. Short-term noise is at an all-time low with overnight runs exhibiting standard deviations of parts in 10/sup 8/. Recent improvements are discussed that have led to this enhanced performance, as are several significant error tests. Present watt results (i.e., Planck's constant) are now within 1 /spl mu/W/W of CODATA values, but error checking to report a more precise value has not been completed.

  • Laser Confocal Interference Multi-Parameter Measurement Method for Spherical Lens

    This letter proposes a new, comprehensive laser confocal interference multi- parameter measurement method (CIMPM) to improve the measurement accuracy and efficiency for the multiple parameters of a spherical lens. By integrating laser confocal and sphere interference measurement techniques, the proposed CIMPM uses the laser confocal focusing technique to measure the radius, thickness, and refractivity of a spherical lens, and uses laser interference measurement technique to measure the surface figure. So, this technique achieves high accuracy comprehensive multi-parameter measurements of a spherical lens on a single instrument. Experiments indicate that the proposed CIMPM can achieve a measurement accuracy of 9 ppm for the radius, 3.2.×10-4for the thickness, 1.6.×10-4for the refractivity, and a peak to valley of λ/20 for the surface figure.

  • Precision Measurement System for the Calibration of Phasor Measurement Units

    Phasor measurement units (PMUs) are used for monitoring, protection, and control of smart grids. Characterization of PMUs to national standards of measurement is important to assure reliability and consistency of PMUs across the industry and is required by documentary standards. At the National Measurement Institute, Australia, we have developed a calibration system to provide some calibration points for the characterization of PMUs under steady- state conditions that can be compatible with standard tests. This paper describes the operation and calibration of the system with emphasis on traceability to national standards of measurement.

  • Brief overview of methods for measurement uncertainty analysis: GUM uncertainty framework, Monte Carlo method, characteristic function approach

    The basic working tool in measurement uncertainty analysis, as advocated in recent discussions related to the possible revision of the Guide to the expression of uncertainty in measurement (GUM), and in particular by its Supplements, is the state-of-knowledge distribution about the quantity derived based on the currently available information. The GUM uncertainty framework (GUF) provides a method for assessing uncertainty based on the law of propagation of uncertainty and the characterization of the output quantity by a Gaussian distribution or a scaled and shifted t-distribution. Supplement 1 is concerned with the propagation of probability distributions through a measurement model as a basis for the evaluation of measurement uncertainty, and its implementation by a Monte Carlo method (MCM). Supplement 2 describes a generalization of MCM to obtain a discrete representation of the joint probability distribution for the output quantities of a multivariate model. An alternative tool to form the state-of-knowledge probability distribution of the (scalar) output quantity in linear measurement model, based on the numerical inversion of its characteristic function, which is defined as a Fourier transform of its PDF. Here we present brief overview and some remarks on applicability of these approaches for uncertainty analysis, with emphasized focus on the Characteristic function approach (CFA).




Jobs related to Measurement

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