IEEE Transactions on Biomedical Engineering

Issue 12 • Dec. 1981

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Displaying Results 1 - 18 of 18
  • IEEE Transactions on Biomedical Engineering - Table of contents

    Publication Year: 1981, Page(s): c1
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  • IEEE Engineering in Medicine and Biology Society

    Publication Year: 1981, Page(s): c2
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  • A Microwave Method for Measuring Changes in Lung Water Content: Numerical Simulation

    Publication Year: 1981, Page(s):797 - 804
    Cited by:  Papers (29)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2725 KB)

    A numerical procedure to simulate several physiological and geometrical changes occurring during development of edema and to study their effects on the sensitivity of the microwave detection method is presented. The method of solution utilizes a model which consists of a two-dimensional cross section of a thorax. The model is based on an X-ray CAT scan taken with the microwave applicators in place... View full abstract»

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  • Real-Time Classification of Multiunit Neural Signals Using Reduced Feature Sets

    Publication Year: 1981, Page(s):804 - 812
    Cited by:  Papers (31)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2911 KB)

    Classification of characteristic neural spike shapes in multi-unit recordings is performed in real time using a reduced feature set. A model of uncorrelated signal-related noise is used to reduce the feature set by choosing a subset of aperiodic samples which is effective for discrimination between signals by a nearest-mean algorithm. Initial signal classes are determined by an unsupervised cluste... View full abstract»

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  • Dynamic Analysis for an Active Nerve Pulse of the Single Unmyelinated Fiber

    Publication Year: 1981, Page(s):812 - 816
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3062 KB)

    An analytical method for simulating the dynamic behavior of an active nerve pulse propagating on a circular cylindrical fiber in an infinite volume conductor is described. The membrane behavior is modeled by the Hodgkin-Huxley equations, while the current entering or leaving the membrane is determined from three-dimensional field theory. Primarily, there have been the following two approaches to i... View full abstract»

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  • Determination of Magnitudes, Directions, and Locations of Two Independent Dipoles in a Circular Conducting Region from Boundary Potential Measurements

    Publication Year: 1981, Page(s):817 - 823
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2352 KB)

    The Gabor-Nelson equations are derived for the determination of the magnitudes, directions, and locations of two independent dipoles in a two-dimensional conducting region from boundary potential measurements. Eight equations were derived for the eight unknown quantities. The method was tested by means of two artificial dipoles in a circular dish containing electrolyte. View full abstract»

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  • Dynamics of Gaseous Uptake in the Lungs: The Concentration and Second Gas Effects

    Publication Year: 1981, Page(s):823 - 831
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4068 KB)

    A one-compartment, continuous-time model is proposed for the investigation of dynamic gas exchange in the lungs. The dynamics of the alveolar gas concentrations (state variables, xi) are demonstrated to be critically determined by, among other things, the blood-gas partition coefficients and the inspired concentrations (inputs, ui) of the component gases. The model has a bilinear structure which, ... View full abstract»

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  • Minimum Phase Considerations in the Analysis of Sinusoidal Work

    Publication Year: 1981, Page(s):832 - 834
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (675 KB)

    A rational transfer function has the property that, given the amplitude response to a sinusoidal input, a unique minimum phase response exists. The property can be used to check to see if a rational transfer function is an appropriate model. This concept was applied to recently published sinusoidal O2 consumption data. View full abstract»

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  • A Method for Locating Scalp Electrodes in Spherical Coordinates

    Publication Year: 1981, Page(s):834 - 836
    Cited by:  Papers (13)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3297 KB)

    Volume conduction models of the human head have often been utilized in relating scalp potential measurements to the locus of the underlying neural sources. However, the determination of the source loci depends on the accurate location of electrodes in a geometry suited to the form of the modeling equations. This paper describes a method for fabricating a Plexiglas helmet that reproducibly locates ... View full abstract»

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  • Spectral Decomposition of EEG Intervals Using Walsh and Fourier Transforms

    Publication Year: 1981, Page(s):836 - 838
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1952 KB)

    This paper presents a comparison of the use of features derived from Walsh and Fourier transforms for classification of short segments of EEG data. The result was that features obtained from Fourier transforms produced consistently better classification results than Walsh function-derived features. View full abstract»

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  • Comments on "Ground-Free ECG Recording with Two Electrodes"

    Publication Year: 1981, Page(s):838 - 839
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (533 KB)

    This comment seeks to point out that the ground-free ECG recording with two electrodes scheme proposed by Thakor and Webster1 appears to be useful only in certain applications. Many biotelemetry devices work successfully with two-electrode single-ended input amplifiers since their ground-referenced capacity is so small that 60 Hz line coupled displacement currents do not cause interference. View full abstract»

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  • Authors' reply2

    Publication Year: 1981, Page(s): 839
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  • 1981 Index IEEE Transactions on Biomedical Engineering Vol. BME-28

    Publication Year: 1981, Page(s):1 - 18
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    First Page of the Article
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  • The Biomedical Engineering Society Annual Meeting

    Publication Year: 1981, Page(s): 18a
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  • Call for Papers First Southern Biomedical Engineering Conference

    Publication Year: 1981, Page(s): 18-b
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  • Now is the best time to join our Society

    Publication Year: 1981, Page(s): 18-c
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  • IEEE Transactions on Biomedical Engineering Statement of Editorial Policy

    Publication Year: 1981, Page(s): 18-d
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  • Institutional listings

    Publication Year: 1981, Page(s): 18e
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Aims & Scope

IEEE Transactions on Biomedical Engineering contains basic and applied papers dealing with biomedical engineering. Papers range from engineering development in methods and techniques with biomedical applications to experimental and clinical investigations with engineering contributions.

Full Aims & Scope

Meet Our Editors

Editor-in-Chief
Bin He
University of Minnesota