# IEEE Transactions on Instrumentation and Measurement

## Filter Results

Displaying Results 1 - 25 of 33

Publication Year: 2008, Page(s):C1 - 1289
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• ### IEEE Transactions on Instrumentation and Measurement publication information

Publication Year: 2008, Page(s): C2
| |PDF (47 KB)
• ### DAC Time-Domain Specifications Toward Standardization

Publication Year: 2008, Page(s):1290 - 1297
Cited by:  Papers (4)
| |PDF (424 KB) | HTML

This paper analyzes a set of digital-to-analog converter (DAC) time-domain specifications, including DAC settling time, rise time, fall time, and glitch energy. Some useful comments are provided to highlight ambiguity in the mostly used definitions, and new definitions are suggested whenever necessary. View full abstract»

• ### A Technique for Differential Noise Figure Measurement of Differential LNAs

Publication Year: 2008, Page(s):1298 - 1303
Cited by:  Papers (20)
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This paper presents an approach to measure the noise figure of a differential low-noise amplifier (LNA) based on familiar ldquocold-hotrdquo single-ended noise figure measurements. To demonstrate the usefulness of this approach, measurement results are presented for a wideband differential LNA designed to be used as the first stage of the receiver in the Square Kilometre Array radio telescope. The... View full abstract»

• ### Cross-Layer Measurement for the Analysis of DVB-T System Performance

Publication Year: 2008, Page(s):1304 - 1312
Cited by:  Papers (5)
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This paper deals with cross-layer measurements for the efficient analysis of Digital Video Broadcasting-Terrestrial (DVB-T) system performance. In particular, valuable relationships between some cross-layer DVB-T system parameters are investigated through measurements conducted at the physical and application layers. Specifically, channel power, error vector magnitude, and modulation error ratio a... View full abstract»

• ### Electronic Nose for Black Tea Classification and Correlation of Measurements With “Tea Taster” Marks

Publication Year: 2008, Page(s):1313 - 1321
Cited by:  Papers (74)  |  Patents (1)
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Tea is an extensively consumed beverage worldwide with an expanding market. The major quality attributes of tea are flavor, aroma, color, and strength. Out of these, flavor and aroma are the most important attributes. Human experts called ldquotea tastersrdquo conventionally evaluate tea quality, and they usually assign scores to samples of tea that are under evaluation on a scale of 1 to 10, depe... View full abstract»

• ### Error and Transient Analysis of Stepwise-Approximated Sine Waves Generated by Programmable Josephson Voltage Standards

Publication Year: 2008, Page(s):1322 - 1329
Cited by:  Papers (48)
| |PDF (730 KB) | HTML

We are developing a quantum-based 60 Hz power standard that exploits the precision sinusoidal reference voltages synthesized by a programmable Josephson voltage standard (PJVS). PJVS systems use series arrays of Josephson junctions as a multibit digital-to-analog converter to produce accurate quantum-based dc voltages. Using stepwise-approximation synthesis, the system can also generate arbitrary ... View full abstract»

• ### Millimeter-Wave Phaseless Antenna Characterization

Publication Year: 2008, Page(s):1330 - 1337
Cited by:  Papers (7)
| |PDF (434 KB) | HTML

Phaseless antenna characterization at millimeter-wave frequencies is an awkward task for a number of reasons. First, suitable network analyzers appropriately working at a high frequency, as well as a complex hardware ensuring high positioning and alignment accuracies, are required. Furthermore, the characterization algorithm should be reliable and accurate and should require a reasonable measureme... View full abstract»

• ### Stepping-Motor-Driven Constant-Shear-Rate Rotating Viscometer

Publication Year: 2008, Page(s):1338 - 1343
Cited by:  Papers (3)
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Despite the frequent use of stepping motors in robotics, automation, and a variety of precision instruments, they can hardly be found in rotational viscometers. This paper proposes the use of a stepping motor to drive a conventional constant-shear-rate laboratory rotational viscometer to avoid the use of velocity sensor and gearbox and, thus, simplify the instrument design. To investigate this dri... View full abstract»

• ### USB Sensor Network for Industrial Applications

Publication Year: 2008, Page(s):1344 - 1349
Cited by:  Papers (7)
| |PDF (473 KB) | HTML

This paper proposes a universal serial bus (USB) solution for sensor networking. First, network architecture has been presented to have, as its primary objective, its integration with existing infrastructure. For this reason, a USB-to-Ethernet gateway has been introduced. Then, many aspects of industrial applications have been considered to realize a suitable solution. Insulation problems and low-... View full abstract»

• ### Experimental Evaluation of Conducted Emissions by Variable-Speed Drives Under Variable Operating Conditions

Publication Year: 2008, Page(s):1350 - 1356
Cited by:  Papers (4)
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This paper presents an experimental study about the effects that various operating conditions have on conducted emissions by variable-speed drives. The objective of the research is to determine what quantities most significantly affect emissions so that electromagnetic compatibility test procedures can be carried out under the most appropriate conditions according to the specific destination of th... View full abstract»

• ### Laser Noise Cancellation in Single-Cell CPT Clocks

Publication Year: 2008, Page(s):1357 - 1361
Cited by:  Papers (9)
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We demonstrate a new technique for the suppression of noise associated with the laser source in atomic clocks based on coherent population trapping (CPT). The technique uses differential detection of the transmission of linearly and circularly polarized beams that propagate through different parts of a single rubidium vapor cell filled with a buffer gas mixture. The common-mode noise associated wi... View full abstract»

• ### Electric Field Sensing Scheme Based on Matched $hbox{LiNbO}_{3}$ Electro-Optic Retarders

Publication Year: 2008, Page(s):1362 - 1368
Cited by:  Papers (8)
| |PDF (599 KB) | HTML

In this paper, a wideband-electric-field-sensing scheme that uses optically matched integrated optics electrooptic devices and coherence modulation of light is described. In a coherence modulation scheme, the integrated optics sensor detects the electric field and imprints it around an optical delay. The optical delay is generated by a birefringent optical waveguide in a lithium niobate (LiNbO View full abstract»

• ### Contactless Autofeedback Iris Capture Design

Publication Year: 2008, Page(s):1369 - 1375
Cited by:  Papers (7)  |  Patents (3)
| |PDF (748 KB) | HTML

Automated iris recognition is one of the most reliable biometrics in terms of identification and verification performance. One of the major challenges for automated iris recognition is to capture a high-quality image of the iris since system performance is greatly affected by poor-quality imaging. This paper describes the design and implementation of a high-quality imaging device for iris acquisit... View full abstract»

• ### Improving Timing Offset Estimation by Alias Sampling

Publication Year: 2008, Page(s):1376 - 1378
Cited by:  Papers (5)
| |PDF (646 KB) | HTML

In a previous paper, we reported an algorithm that can be used to accurately measure sampling timing errors in a data acquisition system that encounters nonuniform sampling. In this paper, we first study the sensitivity of the algorithm to input frequency inaccuracy. We then investigate the dependency of the accuracy of the algorithm on the number of effective bits in an analog-to-digital (A/D) co... View full abstract»

• ### Remote Sensing and Control of an Irrigation System Using a Distributed Wireless Sensor Network

Publication Year: 2008, Page(s):1379 - 1387
Cited by:  Papers (158)  |  Patents (2)
| |PDF (1334 KB) | HTML

Efficient water management is a major concern in many cropping systems in semiarid and arid areas. Distributed in-field sensor-based irrigation systemsoffer a potential solution to support site-specific irrigation management that allows producers to maximize their productivity while saving water. This paper describes details of the design and instrumentation of variable rate irrigation, a wireless... View full abstract»

• ### Millimeter-Wave Transmittance Measurements on Ferrites Near Ferromagnetic Resonance

Publication Year: 2008, Page(s):1388 - 1393
Cited by:  Papers (11)
| |PDF (707 KB) | HTML

This paper presents complex dielectric permittivity and magnetic permeability measurements of pure and diluted barium ferrites in the millimeter-wave frequency range. A broadband quasi-optical millimeter-wave spectroscopy with backward-wave oscillators as high-power tunable sources of coherent radiation has been utilized. The real and imaginary parts of the dielectric permittivity and magnetic per... View full abstract»

• ### In-Circuit Loss Measurement of a High-Frequency Integrated Power Electronics Module

Publication Year: 2008, Page(s):1394 - 1402
Cited by:  Papers (1)
| |PDF (1141 KB) | HTML

This paper presents a practical approach to accurately measure the in-circuit power loss of an integrated power electronics module. Based on several reasonable assumptions, the heat flux out of the module is related to the temperature drop across the thermal resistance material in the heat dissipation path. By performing a calibration experiment, the total dissipated heat can be identified. The ex... View full abstract»

• ### Measurement of RF Emissions From Electrostatic Discharges Between Charged Insulators

Publication Year: 2008, Page(s):1403 - 1409
| |PDF (276 KB) | HTML

This paper focuses on the measurement of the electromagnetic radiation from electrostatic discharges between charged insulators that are electrostatically coupled to conductors. To observe this phenomenon in a controlled environment, various basic experimental setups were assembled in a semianechoic chamber, consisting of a metal antenna, a table tennis ball, and a dielectric plane positioned on a... View full abstract»

• ### Hybrid Distributed Instrumentation Network for Integrating Meteorological Sensors Applied to Modeling RF Propagation Impairments

Publication Year: 2008, Page(s):1410 - 1421
Cited by:  Papers (8)
| |PDF (1272 KB) | HTML

Rainfall rate is the main cause of fades in the frequency bands above 10 GHz. To optimize the planning of satellite and terrestrial radio communication systems operating on these frequency bands, it is essential to have a detailed knowledge of the temporal and spatial distributions of the rainfall rate. For this reason, it is necessary to develop experimental networks, which provide adequate data ... View full abstract»

• ### Mammographic Images Enhancement and Denoising for Breast Cancer Detection Using Dyadic Wavelet Processing

Publication Year: 2008, Page(s):1422 - 1430
Cited by:  Papers (89)  |  Patents (1)
| |PDF (615 KB) | HTML

Mammography is the most effective method for the early detection of breast diseases. However, the typical diagnostic signs such as microcalcifications and masses are difficult to detect because mammograms are low-contrast and noisy images. In this paper, a novel algorithm for image denoising and enhancement based on dyadic wavelet processing is proposed. The denoising phase is based on a local ite... View full abstract»

• ### Unity-Gain Amplifier With Theoretically Zero Gain Error

Publication Year: 2008, Page(s):1431 - 1437
Cited by:  Papers (3)
| |PDF (277 KB) | HTML

This paper presents a unity-gain amplifier architecture, which, unlike already known solutions, provides a theoretically zero gain error without requiring an infinitely large loop gain. The architecture is based on two amplifiers nested in a feedback configuration, which allows a straightforward complementary metal-oxide-semiconductor (CMOS) implementation. Performances are analytically evaluated ... View full abstract»

• ### A Multispectral Analog Photon-Counting Readout Circuit for X-ray Hybrid Pixel Detectors

Publication Year: 2008, Page(s):1438 - 1444
Cited by:  Papers (12)  |  Patents (7)
| |PDF (812 KB) | HTML

In this paper, an all-analog pixel architecture for the readout of X-ray pixel detectors with multiple energy discrimination is proposed. The circuit comprises a self-triggered reset charge amplifier and three distinct channels devoted to the detection on a specific energy band. Each channel is composed of an autocalibrated comparator, an energy window identification logic, and an analog counter w... View full abstract»

• ### Nonintrusive Load Monitoring and Diagnostics in Power Systems

Publication Year: 2008, Page(s):1445 - 1454
Cited by:  Papers (111)  |  Patents (10)
| |PDF (769 KB) | HTML

This paper describes a transient event classification scheme, system identification techniques, and implementation for use in nonintrusive load monitoring. Together, these techniques form a system that can determine the operating schedule and find parameters of physical models of loads that are connected to an AC or DC power distribution system. The monitoring system requires only off-the-shelf ha... View full abstract»

• ### Laser Doppler Velocimetry for Joint Measurements of Acoustic and Mean Flow Velocities: LMS-Based Algorithm and CRB Calculation

Publication Year: 2008, Page(s):1455 - 1464
Cited by:  Papers (12)
| |PDF (654 KB) | HTML

This paper presents a least-mean-square (LMS) algorithm for the joint estimation of acoustic and mean flow velocities from laser Doppler velocimetry (LDV) measurements. The usual algorithms used for measuring with LDV purely acoustic velocity or mean flow velocity may not be used when the acoustic field is disturbed by a mean flow component. The LMS-based algorithm allows accurate estimations of b... 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