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# IEEE Transactions on Instrumentation and Measurement

## Filter Results

Displaying Results 1 - 25 of 36

Publication Year: 2012, Page(s):C1 - 1
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• ### IEEE Transactions on Instrumentation and Measurement publication information

Publication Year: 2012, Page(s): C2
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• ### A 10-kV Linear Current-Mode Power Amplifier for Capacitive Actuators

Publication Year: 2012, Page(s):2 - 8
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High-voltage linear pulse amplifiers with current output are advantageous for driving piezoelectric or electrorheological actuators because the inherent current ripple of switched-mode power converters can be avoided. The new amplifier provides output voltages up to 10 kV with an output current of 200 mA. Low quiescent currents of 0.6 mA minimize static power loss. Nested feedback loops are applie... View full abstract»

• ### Choosing Between Terminal and Independently Based Gain and Offset Error in the ADC Histogram Test

Publication Year: 2012, Page(s):9 - 16
Cited by:  Papers (2)
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To recover the analog voltage at the input of an analog-to-digital converter (ADC) from its digital output, one needs to know at least the ADC gain and offset. For high-accuracy measurements, it is necessary to estimate the actual values of these parameters since they are usually different from the ideal values (one and zero, respectively). This estimation inevitably has an uncertainty, which cont... View full abstract»

• ### An Interpolation-Based Calibration Architecture for Pipeline ADC With Nonlinear Error

Publication Year: 2012, Page(s):17 - 25
Cited by:  Papers (9)
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The linearity of a pipeline analog-to-digital converter (ADC) is mainly limited by capacitor mismatch and finite operational amplifier (OPAMP) gain, which cause large power and design difficulty in modern nanometer CMOS processes for high-resolution pipeline ADCs. It is a trend of developing digital calibration techniques to compensate the analog error in pipeline stages. This paper systematically... View full abstract»

• ### Signal Denoising With Random Refined Orthogonal Matching Pursuit

Publication Year: 2012, Page(s):26 - 34
Cited by:  Papers (9)
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In this paper, an efficient sparse recovery algorithm called random refined orthogonal matching pursuit (RROMP) is proposed for signal denoising. Given a noisy signal, the RROMP algorithm first generates several sparse representations of it by applying a multi-selection strategy and a false discovery rate (FDR) control, instead of seeking the sparsest one. The multi-selection strategy accelerates ... View full abstract»

• ### Measurement of a Container Crane Spreader Under Bad Weather Conditions by Image Restoration

Publication Year: 2012, Page(s):35 - 42
Cited by:  Papers (9)
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Recently, anti-sway systems for container crane spreaders have played an important role in efficiently handling cargo at terminals. A camera-based measurement system for the anti-sway systems, which consists of two reference marks on the upper surface of the spreader and a camera mounted on the crane's trolley, has been developed. However, the quality of the reference marks in images taken in bad ... View full abstract»

• ### Transfer Function Estimation of Telephone Lines from Input Impedance Measurements

Publication Year: 2012, Page(s):43 - 54
Cited by:  Papers (3)
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The ability of a specific telephone line to support a certain digital subscriber line (DSL) service is determined by its downstream and upstream data rates, which are mainly dependent on the line's transfer function. In this way, methods for transfer function estimation play an important role on proper DSL deployment. Most of the existing methods derive the transfer function via line topology iden... View full abstract»

• ### A Model-Based Approach to the Protection of the Steering Mechanism of High-Power Antennas Placed in a Nuclear Fusion Tokamak

Publication Year: 2012, Page(s):55 - 63
Cited by:  Papers (1)
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In most applications where motors control several degrees of freedom of a mechanical system, there is the necessity to implement protection that is able to stop the motors when the mechanical system reaches the extreme positions of its workspace. When the mechanical system is located in a hostile environment and/or when the limit positions define a complex surface, the protection strategy cannot b... View full abstract»

• ### A Filter Bank and a Self-Tuning Adaptive Filter for the Harmonic and Interharmonic Estimation in Power Signals

Publication Year: 2012, Page(s):64 - 73
Cited by:  Papers (27)
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We present a method that combines a filter bank (FB) system with adaptive filtering to estimate parameters describing the harmonics and the interharmonics present in power signals. The proposed method decomposes the input power signal using an FB system that is a modular binary tree structure with the fundamental FBs arranged successively in each stage. The fundamental FB is designed to separate t... View full abstract»

• ### Widely Linear Adaptive Frequency Estimation of Unbalanced Three-Phase Power Systems

Publication Year: 2012, Page(s):74 - 83
Cited by:  Papers (50)
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A novel technique for online estimation of the fundamental frequency of unbalanced three-phase power systems is proposed. Based on Clarke's transformation and widely linear complex domain modeling, the proposed method makes use of the full second-order information within three-phase signals, thus promising enhanced and robust frequency estimation. The structure, mathematical formulation, and theor... View full abstract»

• ### Eccentric Bus-Bar Testing Method of the Shielding Effect of a Heavy Current Transformer With Shielding Coils

Publication Year: 2012, Page(s):84 - 92
Cited by:  Papers (2)
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To equivalently and effectively test the shielding effect of a heavy current transformer (HCT) with shielding coils in a laboratory, an eccentric bus-bar testing method has been used to simultaneously simulate the effect of primary bus bar and adjacent bus bar since 1970s. However, there has not yet been an effective way to determine the crucial parameters, particularly the eccentric distance, whi... View full abstract»

• ### Covariance-Matrix-Based Uncertainty Analysis for NVNA Measurements

Publication Year: 2012, Page(s):93 - 102
Cited by:  Papers (9)
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This paper studies the systematic uncertainties of nonlinear vector network analyzer (NVNA) measurements and presents a covariance-matrix-based method to analyze the uncertainty propagation from calibration standards and hardware to error model terms and effective measurements. Analytic deductions of the Jacobians for frequency-domain quantities are proposed, dealing with the complex NVNA measurem... View full abstract»

• ### Experimental Verification of Formulas for Variances of Plane Parameters Fitted to Three-Dimensional Imaging Data

Publication Year: 2012, Page(s):103 - 110
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Nonlinear least squares method is applied to fit a plane to 3-D imaging data. Two different error functions used in fitting are tested: orthogonal and directional. Variances of fitted parameters are calculated either from a single data set using derived earlier analytical formulas or by repeating the scans at the same experimental settings. In the latter case, the variance is equal to the square o... View full abstract»

• ### Accuracy of the Normalized Frequency Estimation of a Discrete-Time Sine-Wave by the Energy-Based Method

Publication Year: 2012, Page(s):111 - 121
Cited by:  Papers (7)
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This paper investigates the effect of algorithm error, spectral interference, and additive wideband noise on the accuracy of the normalized frequency estimation provided by the Energy-Based Method (EBM) in the case of a discrete-time sine-wave. The statistical efficiency of the EBM estimator with respect to the unbiased Cramér-Rao Lower Bound (CRLB) is determined. The accuracy of the deriv... View full abstract»

• ### Estimation of Uncertainties in Electric Field Exposure From Medium-Frequency AM Broadcast Transmitters

Publication Year: 2012, Page(s):122 - 128
Cited by:  Papers (5)
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International guidelines for limiting exposure to electromagnetic fields set out basic restrictions and reference levels to protect human health. To ensure compliance with these guidelines, standard measurement procedures must be used, and assessments of the uncertainties in the measurements must be reported. Nevertheless, neither the exposure restrictions nor the technical assessment standards sp... View full abstract»

• ### A Novel Receive-Only Liquid Nitrogen ($hbox{LN}_{2}$ )-Cooled RF Coil for High-Resolution In Vivo Imaging on a 3-Tesla Whole-Body Scanner

Publication Year: 2012, Page(s):129 - 139
Cited by:  Papers (10)
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The design and operation of a receive-only liquid nitrogen ( LN2)-cooled coil and cryostat suitable for medical imaging on a 3-T whole-body magnetic resonance scanner is presented. The coil size, optimized for murine imaging, was determined by using electromagnetic (EM) simulations. This process is therefore easier and more cost effective than building a range of coils. A nonmagnetic cr... View full abstract»

• ### Impact of Background Noise on Dielectric Reconstructions Obtained by a Prototype of Microwave Axial Tomograph

Publication Year: 2012, Page(s):140 - 148
Cited by:  Papers (16)
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This paper investigates the influence of noise on a microwave axial tomograph developed by some of the authors for the inspection of dielectric objects. In particular, the impact of the measurement environment is considered and the images obtained from data measured in a controlled and an uncontrolled environment are presented and compared. Moreover, the effects of interference signals are conside... View full abstract»

• ### Image Recognition and Force Measurement Application in the Humanoid Robot Imitation

Publication Year: 2012, Page(s):149 - 161
Cited by:  Papers (12)
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This paper studies and implements motion imitation interaction between a humanoid robot and a human. To achieve the implementation, three main processes are required. The first is the human motion data acquisition; the second is the motion data modification; and the last is the ankle angle adjustment on the supporting foot (or feet) of the humanoid robot. In the human motion data acquisition, we u... View full abstract»

• ### Arterial Waveforms Measured at the Wrist as Indicators of Diabetic Endothelial Dysfunction in the Elderly

Publication Year: 2012, Page(s):162 - 169
Cited by:  Papers (12)
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Although air pressure sensing system (APSS) is a reliable means of assessing vascular endothelial function with high reproducibility, it cannot distinguish between the effects of age and diabetes. This paper aimed at investigating the potential benefit of utilizing signal-processing technique in improving the clinical validity of APSS. Arterial waveforms acquired from the left wrist before and aft... View full abstract»

• ### Optical Device Indicating a Safe Free Path to Blind People

Publication Year: 2012, Page(s):170 - 177
Cited by:  Papers (14)
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An active optical pathfinder using a LED and a photodiode is implemented as an electronic travel aid to improve the mobility of persons who are blind. The protected path is optimized by using radiometric calculations. Protection zones for typical configurations of obstacles are studied: an opening, a side panel, a front panel, and a post. The results in real configurations such as parked cars, tre... View full abstract»

• ### Accurate Pedestrian Indoor Navigation by Tightly Coupling Foot-Mounted IMU and RFID Measurements

Publication Year: 2012, Page(s):178 - 189
Cited by:  Papers (160)  |  Patents (3)
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We present a new method to accurately locate persons indoors by fusing inertial navigation system (INS) techniques with active RFID technology. A foot-mounted inertial measuring units (IMUs)-based position estimation method, is aided by the received signal strengths (RSSs) obtained from several active RFID tags placed at known locations in a building. In contrast to other authors that integrate IM... View full abstract»

• ### Multisensor Railway Track Geometry Surveying System

Publication Year: 2012, Page(s):190 - 197
Cited by:  Papers (2)
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Linear variable differential transformers (LVDTs) and inclinometers are widely used in many industrial establishments, particularly in the metrology area. These sensors are used by many engineering disciplines because of their high-precision characteristics. In addition, Global Navigation Satellite System (GNSS) receivers and total stations are widely used in geodesy. Using GNSS receivers is very ... View full abstract»

• ### Precision AC–DC Transfer Measurements With a Josephson Waveform Synthesizer and a Buffer Amplifier

Publication Year: 2012, Page(s):198 - 204
Cited by:  Papers (10)
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Measurements of the ac-dc difference of a thermal converter have been performed using a Josephson waveform synthesizer and a precision buffer amplifier at frequencies from 10 Hz to 4 kHz, showing agreement with conventional standards of better than 1 μV/V up to 1 kHz. In addition, a method of finding the operating parameters of the programmable Josephson array that corresponds to minimal un... View full abstract»

• ### Broadband Shot Noise Measurement System at Low Temperature for Noise Thermometry Using a Tunnel Junction

Publication Year: 2012, Page(s):205 - 211
Cited by:  Papers (2)
| | PDF (327 KB) | HTML

We report our development of a broadband shot noise measurement experiment at Korea Research Institute of Standards and Science for noise thermometry. A precision RF measurement setup in the frequency range near 1 GHz has been installed in a He-3 refrigerator. For noise thermometry, we fabricated an Al-AlOx-Al tunnel junction by the double-angle shadow evaporation technique as a source ... 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