# IEEE Transactions on Instrumentation and Measurement

## Filter Results

Displaying Results 1 - 25 of 32

Publication Year: 2010, Page(s):C1 - 1497
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• ### IEEE Transactions on Instrumentation and Measurement publication information

Publication Year: 2010, Page(s): C2
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• ### QoS Requirement in the Multimedia Transcoding Service Selection Process

Publication Year: 2010, Page(s):1498 - 1506
Cited by:  Papers (11)  |  Patents (2)
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QoS guarantee is crucial for delivering real-time multimedia over any type of network. This paper proposes QoS-aware multimedia service selection in a heterogeneous network environment. The QoS-aware service selection is based on the nature-inspired routing algorithm, AntNet. The performance evaluation for this selection algorithm is conducted on the multimedia content transcoding system. This pap... View full abstract»

• ### A Multisensor Intelligent Device for Real-Time Multiphase Flow Metering in Oil Fields

Publication Year: 2010, Page(s):1507 - 1519
Cited by:  Papers (16)
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In this paper, a new multiphase flow metering device for real-time measurement of oil, gas, and water flow rates is presented. It is composed of several electrical and acoustic sensors whose signals are digitalized and processed by a multilayer neural network. This latest uses the physical models of multiphase fluids to reduce the complexity of the parameter space while improving its accuracy. Fur... View full abstract»

• ### On the Spatial Averaging of Multiple Narrowband Electromagnetic Field Measurements: Methods and Uncertainty Estimation

Publication Year: 2010, Page(s):1520 - 1536
Cited by:  Papers (9)
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Methods of computational prediction can be used or specific measurements have to be performed for the estimation of human exposure to nonionizing electromagnetic fields at a certain place. According to the exposure standards, the predicted or the measured values have to be spatially averaged in an area representing the dimensions of the human body and compared with the adopted maximum permissible ... View full abstract»

• ### Experimental Investigation on Time Reversal Precoding for Space–Time Focusing in Wireless Communications

Publication Year: 2010, Page(s):1537 - 1543
Cited by:  Papers (16)
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This paper presents the results of indoor wideband measurements investigating the space-time properties of wireless signal transmission with online time-reversal (TR) precoding. The measurements were conducted using a new TR wideband multiple-input-multiple-output (MIMO) channel sounder operating at 2.45 GHz with a bandwidth of 240 MHz. Both line-of-sight (LOS) and non-line-of-sight (NLOS) propaga... View full abstract»

• ### Linear Optical Encoder System With Sinusoidal Signal Distortion Below $-$60 dB

Publication Year: 2010, Page(s):1544 - 1549
Cited by:  Papers (8)
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This paper describes a high-precision linear optical scanner, combining an averaged optical sensor array with appropriate 10-¿m graduated scales on a measurement-fixed plate and a Vernier sliced parallel scale on a reading plate, where the total distortion of the generated quadrature sinusoidal signals below -60 dB was achieved by distributing and mismatching optical edges over a number of si... View full abstract»

• ### Enhanced RBF Network for Recognizing Noise-Riding Power Quality Events

Publication Year: 2010, Page(s):1550 - 1561
Cited by:  Papers (14)
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Once the power signals under measurement are corrupted by noises, the performance of the wavelet transform (WT) on recognizing power quality (PQ) events would be greatly degraded. Meanwhile, directly adopting the WT coefficients (WTCs) has the drawback of taking a longer time for the recognition system. To solve the problem of noises riding on power signals and to effectively reduce the number of ... View full abstract»

• ### A Divide-by-Difference-Filter Based Algorithm for Estimation of Generator Rotor Angle Utilizing Synchrophasor Measurements

Publication Year: 2010, Page(s):1562 - 1570
Cited by:  Papers (15)
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This paper investigates the possibility of using a nonlinear estimator for estimating the internal variables of a synchronous generator, such as the rotor angle, from the data acquired from phasor measurement units (PMUs). A divide-by-difference filter (DDF) has been used for accurate estimation of the rotor angle of the generator. The proposed rotor angle estimator utilizes the measurements of th... View full abstract»

• ### Composite Interpolated Fast Fourier Transform With the Hanning Window

Publication Year: 2010, Page(s):1571 - 1579
Cited by:  Papers (13)
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The composite interpolated fast Fourier transform (IpFFT) with the Hanning window is investigated to decrease the estimation variance. This form of composite IpFFT makes use of four consecutive spectral lines around a spectral peak. These four consecutive lines render three estimators using the complex spectrum-based interpolation. The three estimators can be averaged to decrease the variance, and... View full abstract»

• ### Instrument-Based Noncontact Doppler Radar Vital Sign Detection System Using Heterodyne Digital Quadrature Demodulation Architecture

Publication Year: 2010, Page(s):1580 - 1588
Cited by:  Papers (74)
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In this paper, we present a fast solution to build a Doppler radar system for noncontact vital sign detection (VSD) using instruments that are generally equipped in radio-frequency and communication laboratories. This paper demonstrates the feasibility of conducting research on VSD in ordinary radio-frequency laboratories. The system is designed with a heterodyne digital quadrature demodulation ar... View full abstract»

• ### Posture Monitoring System for Context Awareness in Mobile Computing

Publication Year: 2010, Page(s):1589 - 1599
Cited by:  Papers (16)
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The posture of a user is one of the contextual information that can be used for mobile applications and the treatment of idiopathic scoliosis. This paper describes a method for monitoring the posture of a user during operation of a mobile device in three activities such as sitting, standing, and walking. The user posture monitoring system (UPMS) proposed in this paper is based on two major technol... View full abstract»

• ### Compressed Sensing for Surface Characterization and Metrology

Publication Year: 2010, Page(s):1600 - 1615
Cited by:  Papers (22)  |  Patents (1)
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Surface metrology is the science of measuring small-scale features on surfaces. In this paper, a novel compressed sensing (CS) theory is introduced for the surface metrology to reduce data acquisition. We first describe that the CS is naturally fit to surface measurement and analysis. Then, a geometric-wavelet-based recovery algorithm is proposed for scratched and textural surfaces by solving a co... View full abstract»

• ### A Very High Sensitivity RF Pulse Profile Measurement System

Publication Year: 2010, Page(s):1616 - 1623
Cited by:  Papers (2)
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A technique for characterizing the pulse profile of a radio-frequency (RF) amplifier over a very wide power range under fast-pulsing conditions is presented. A pulse-modulated transmitter is used to drive a device under test (DUT) with a phase-coded signal that allows for an increased measurement range beyond standard techniques. A measurement receiver that samples points on the output pulse power... View full abstract»

• ### A Low-Cost Submicrolinear Incremental Encoder Based on 3 $times$3 Fiber-Optic Directional Coupler

Publication Year: 2010, Page(s):1624 - 1633
Cited by:  Papers (5)
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A high-precision displacement sensor has been developed for short-distance measurement with the interferometric method. This sensor uses a 3×3 fiber-optic directional coupler and a high-coherence laser source with 1550-nm wavelength to produce two interference patterns. A Lissajous figure is generated based on these two patterns. The change in displacement can be obtained after signal compari... View full abstract»

• ### Multidimensional Fitness Function DPSO Algorithm for Analog Test Point Selection

Publication Year: 2010, Page(s):1634 - 1641
Cited by:  Papers (20)
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A novel multidimensional fitness function discrete particle swarm optimization algorithm is proposed to optimize analog test point selection. The proposed method uses fault isolation rate and the number of test points to formulate a multidimensional fitness function to search the global minimal test point set, and an elitist set is used to get more than one possible best solution in the des... View full abstract»

• ### An Effective Framework to Evaluate Dynamic Partial Reconfiguration in FPGA Systems

Publication Year: 2010, Page(s):1642 - 1651
Cited by:  Papers (15)
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The most popular representative devices of reconfigurable computing are field-programmable gate arrays (FPGAs). A promising feature of an FPGA is the ability to reuse the same hardware for different tasks at different phases of an application execution. Moreover, the tasks can be swapped on the fly while part of the hardware continues to operate. This is known as dynamic reconfiguration, an... View full abstract»

• ### A Novel Technique for Acquisition and Presentation of Complex Vibration Waveforms

Publication Year: 2010, Page(s):1652 - 1662
Cited by:  Papers (3)
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Oscilloscopes are traditionally used for the graphical presentation and analysis of electrical waveforms. In many experiments, waveform acquisition and live presentation forms the heart of the problem. In particular, data acquisition and presentation of repeating complex signals like sine sweep in vibration generation and testing and frequency-modulated signals in radar and sonar applications offe... View full abstract»

• ### An FPGA-Integrated Time-to-Digital Converter Based on Two-Stage Pulse Shrinking

Publication Year: 2010, Page(s):1663 - 1670
Cited by:  Papers (32)
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We present the design and test results of a new time-to-digital converter based on the cyclic pulse shrinking method and implemented in a field-programmable gate array (FPGA) device. The pulse shrinking is realized in a loop containing two complementary delay lines. The first line shrinks, and the second line stretches the duration time of a circulating pulse; hence, the length ratio of the lines ... View full abstract»

• ### An Innovative Method for Thermal Characterization of Automotive Electronic Devices Based on CNNs

Publication Year: 2010, Page(s):1671 - 1677
Cited by:  Papers (2)
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In this paper, a new approach for the thermal characterization of power electronic devices is introduced. The new method is based on cellular nonlinear networks (CNNs). By using the proposed technique, the thermal impedance of the device can be derived by processing a series of thermal maps, which can be acquired from a single experimental trial. In contrast, the most common technique (the delta d... View full abstract»

• ### An Improved Helical Resonator Design for Rubidium Atomic Frequency Standards

Publication Year: 2010, Page(s):1678 - 1685
Cited by:  Papers (3)
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The slow-wave structure (SWS) can be used as the resonant cavity for rubidium atomic frequency standards (RAFSs), in which the longitudinal component of the magnetic field can enable the rubidium atoms' participation in the stimulated transitions. In this paper, an improved helix SWS based on good propagation characteristics as a helical resonator for RAFS is designed. The theoretical analysis is ... View full abstract»

• ### Wireless Communication and Power Supply Strategy for Sensor Applications Within Closed Metal Walls

Publication Year: 2010, Page(s):1686 - 1692
Cited by:  Papers (12)
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Passive or semiactive wireless sensors, i.e., sensors that require neither wires nor external power supply/batteries, are attractive for many measurement problems. Standard approaches based on Radio Frequency Identification technology usually have difficulties when a fairly conductive matter such as steel or a large amount of water is in the vicinity of the devices. This paper investigates methods... View full abstract»

• ### Depth Evaluation of Shallow Surface Cracks in Metals Using Rectangular Waveguides at Millimeter-Wave Frequencies

Publication Year: 2010, Page(s):1693 - 1704
Cited by:  Papers (22)
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This paper presents a resonant technique, which is founded on previous extensive work on millimeter-wave surface crack detection and sizing, for the accurate depth evaluation of long and shallow surface damages (scratches or cracks), which are represented as rectangular slots, in metal plates. A crack in a metal plate may be considered a short-circuited rectangular waveguide, which presents certai... View full abstract»

• ### A Specific Absorption Rate Measurement Method Using Fiber Optic Thermal Sensors

Publication Year: 2010, Page(s):1705 - 1714
Cited by:  Papers (8)
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The specific absorption rate (SAR) is an indicator of the thermal effects caused by microwave exposure in biological tissues. Electric field probe scanning has been used as a practical SAR evaluation technology until now. A measurement standard is necessary for any physical quantity. In general, the existence of a standard constructed with a physically different procedure is important in uncertain... View full abstract»

• ### A Temperature Compensation Circuit for Thermal Flow Sensors Operated in Constant-Temperature-Difference Mode

Publication Year: 2010, Page(s):1715 - 1721
Cited by:  Papers (30)  |  Patents (2)
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This paper presents a new temperature compensation technique for thermal flow sensors that are operated in a constant-temperature-difference (CTD) mode by means of a simple analog circuit. The resistive heater of a thermal flow sensor is maintained at a constant temperature some tens of Kelvins above fluid temperature with the help of a Wheatstone bridge circuit. In case of a change in media tempe... View full abstract»

## Aims & Scope

Papers are sought that address innovative solutions to the development and use of electrical and electronic instruments and equipment to measure, monitor and/or record physical phenomena for the purpose of advancing measurement science, methods, functionality and applications.

Full Aims & Scope

Editor-in-Chief