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IEEE Transactions on Instrumentation and Measurement

Issue 2 • June 1968

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Displaying Results 1 - 15 of 15
  • [Front cover]

    Publication Year: 1968, Page(s): c1
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  • IEEE Instrumentation and Measurement Group

    Publication Year: 1968, Page(s): c2
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  • Table of contents

    Publication Year: 1968, Page(s): 105
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  • Pyroelectric Transducers for the Measurement of Heat Transfer under Conditions of Hypersonic Flow

    Publication Year: 1968, Page(s):106 - 110
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1537 KB)

    Pyroelectric detectors have been fabricated from polycrystalline samples of barium titanate. These detectors were mounted in a model for tests in a hypersonic wind tunnel and calibrated. The method of calibration is discussed and tables of calibration data are included. Thermocouples were mounted in the model to evaluate the detectors. The detectors were tested and results of the tests are discuss... View full abstract»

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  • Time-Base Circuit for Sampling Scope

    Publication Year: 1968, Page(s):111 - 115
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3348 KB)

    An improved time base for sampling scopes is described with a total trigger signal delay of 20 ns. The maximum trigger frequency is 5 GHz and the jitter of the whole system does not exceed 20 ps. The system fits with a commercially available 12 GHz sampling scope. With real-time sampling it is possible to extend the time scale range to 50 ms/cm. View full abstract»

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  • A 7.5-kVA Power Transient Synthesizer

    Publication Year: 1968, Page(s):115 - 121
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2709 KB)

    This paper describes newly developed electrical power test equipment called a 7.5-kVA power transient synthesizer. The synthesizer furnishes 7.5-kVA three-phase 120/208-volt power and 5.8-kVA single-phase 120-volt 50/60-Hz power containing a variety of controlled power parameter fluctuations. The output includes continuous undervoltage and overvoltage, momentary under-voltage and overvoltage lasti... View full abstract»

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  • Control Section Design of a Multicomponent Microforce Measurement System

    Publication Year: 1968, Page(s):122 - 126
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1902 KB)

    This paper presents a discussion of a new approach to the problem of measuring small forces in the presence of a large tare load with emphasis on the analysis and design of the force balance servo system. The object under study is suspended by an air bearing, and the applied forces, in the plane perpendicular to the direction of the tare load, are nulled by a two-dimensional servo system with forc... View full abstract»

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  • Detecting a Weak Sine Wave and Measuring Its Parameters

    Publication Year: 1968, Page(s):127 - 133
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1068 KB)

    This paper is concerned with the problem of detecting a weak sine wave and measuring its parameters in the presence of arbitrary gain fluctuations and additive Gaussian noise. The parameters considered are frequency, phase, and signal-to-noise power ratio. Some practical methods are presented for detecting the weak sine wave and measuring its parameters. The methods are simple to implement, insens... View full abstract»

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  • Frequency Measurement Techniques

    Publication Year: 1968, Page(s):133 - 145
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1736 KB)

    This paper considers the problem of digital frequency measurement of band-limited sampled data signals. The signal is assumed to be a fixed sine wave in noise over the measurement interval. The advent of low-cost A/D converters and the drastic price reductions predicted for IC's in the near future make techniques of this type appear practical for special-purpose digital hardware as well as a gener... View full abstract»

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  • A Wideband RF Voltmeter-Comparator

    Publication Year: 1968, Page(s):146 - 150
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1815 KB)

    This paper describes a new wideband RF voltmeter-comparator for the frequency range dc to 1 GHz and the voltage range 1 to 15 volts. The device employs matched hot-carrier diodes in a dual-channel 50-ohm feedthrough coaxial configuration. Power extraction from the signal under test is negligible, and the coaxialline sections are impedance compensated so that the maximum VSWR is 1.02. Applications ... View full abstract»

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  • Wye-Delta Transfer Standards for Calibration of Wide Range dc Resistance and dc Conductance Bridges

    Publication Year: 1968, Page(s):151 - 155
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2662 KB)

    Accompanying the improvement of electrical insulating materials, reflected in higher and higher resistivities, is the need for greater confidence in bridge performance with respect to precision and accuracy. To establish such assurance, standards extending to the upper limit of the bridge are required. This paper describes the design and calibration of three-terminal wye (Y) network standards in t... View full abstract»

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  • A Systems Analysis of the Cesium Beam Atomic Clock

    Publication Year: 1968, Page(s):155 - 166
    Cited by:  Papers (9)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2591 KB)

    A brief derivation of the transition probability for a two-state atomic system subjected to a phase modulated oscillatory perturbation is presented. This result is used to perform an analysis of a typical cesium beam atomic clock system utilizing a Ramsey (twin cavity) beam tube in order to determine optimum design parameters. It is shown theoretically and experimentally that the optimum modulatio... View full abstract»

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  • Contributors

    Publication Year: 1968, Page(s):166 - 168
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  • IEEE Instrumentation and Measurement Group

    Publication Year: 1968, Page(s): 168a
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  • Invitation for Papers

    Publication Year: 1968, Page(s): 168-b
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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

Meet Our Editors

Editor-in-Chief

SHERVIN SHIRMOHAMMADI
School of EECS
University of Ottawa
800 King Edward Ave.
Ottawa, Ontario
K1N 6N5 CANADA
Fax: 613-562-5664
shervin@discover.uottawa.ca