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Proceedings of the IEEE

Issue 7 • Date July 1978

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Displaying Results 1 - 25 of 25
  • [Front cover and table of contents]

    Publication Year: 1978, Page(s): c1
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  • Scanning the issue

    Publication Year: 1978, Page(s): 723
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  • Models for channels with memory and their applications to error control

    Publication Year: 1978, Page(s):724 - 744
    Cited by:  Papers (260)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2039 KB)

    Errors encountered in digital transmission over most real communication channels are not independent but appear in clusters. Such channels are said to exhibit memory, i.e., statistical dependence in the occurrence of errors; and thus cannot be adequately represented by the classical memoryless binary symmetric channel. The existence of memory implies additional capacity. To exploit this through ef... View full abstract»

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  • Optical communications research and technology: Fiber optics

    Publication Year: 1978, Page(s):744 - 780
    Cited by:  Papers (10)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4990 KB)

    The current state of the art of fiber optics components is reviewed and projected uses of fiber optical technology are detailed. A brief discussion is presented describing the fundamentals of light guiding and the factors which affect the performance of light guides. Current fiber Optics capabilities in terms of attenuation, information capacity, fiber strength and fabrication are discussed. The s... View full abstract»

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  • First-order statistics of a non-Rayleigh fading signal and its detection

    Publication Year: 1978, Page(s):781 - 789
    Cited by:  Papers (20)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (820 KB)

    The first-order statistics of the vecter sum of a complex Gaussian variable and N complex exponentials with constant amplitudes but random independent phases are used to model a non-Rayleigh fading signal. Envelope detection, optimal for detecting Rayleigh (N = 0) and Rician (N = 1) signals, is also shown to be optimal for the considered non-Rayleigh signals in additive white Gaussian noise. Howev... View full abstract»

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  • On lovering's active RC network

    Publication Year: 1978, Page(s):792 - 793
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (177 KB)

    It is seen that with an alternative type of functional decomposition, Lovering's network can be used to realize arbitrary transfer impedances and current transfer functions in addition to voltage transfer functions and transfer admittances. It is also seen that by generalizing the network, it is possible to synthesize arbitrary voltage transfer functions, current transfer functions, transfer imped... View full abstract»

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  • Further clarification of notch-response selectivity definitions

    Publication Year: 1978, Page(s):793 - 795
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (200 KB)

    The validity of various measures of "rejectivity" in representing the performance of dual-input RC notch networks is investigated. Apparent conformity of an inverse-response definition with fundamental criteria is seen to lead to erroneous conclusions regarding notch characteristics. View full abstract»

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  • Some difficulties with the double bilinear transformation in 2-D recursive filter design

    Publication Year: 1978, Page(s):796 - 797
    Cited by:  Papers (27)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (243 KB)

    It is shown that the double bilinear transformation approach for designing a 2-D IIR digital transfer function from a predetermined 2-D analog transfer function, may in certain cases lead to unstable solutions. View full abstract»

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  • Comments on "A fast analog to Gray code converter"

    Publication Year: 1978, Page(s):797 - 798
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (228 KB)

    The successive-approximation method which encodes an analog voltage into Gray Code by using the absolute values of successive residues is very old, and references are given to some of the earliest publications. A different algorithm is described which is only a slight modification of the successive approximation method for natural binary encoding. View full abstract»

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  • High-selectivity grounded capacitor bandpass/low-pass filters using the operational amplifier pole

    Publication Year: 1978, Page(s):798 - 799
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (165 KB)

    Using the single-pole model of the operational amplifier (OA) a grounded capacitor network has been analyzed to yield either a bandpass or a low-pass function by adjustment of a single resistor. The bandpass/low-pass filters are suitable for high selectivity applications at extended frequency ranges with the advantage of independent adjustment of pole-frequency, pole-Q factor, and midband/passband... View full abstract»

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  • On the double nature of transmission zeros in microstrip structures

    Publication Year: 1978, Page(s):800 - 802
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1240 KB)

    The EM nature of transmission zeros in microstrip structures has been the subject of several discussions. A liquid crystal thermal mapping technique is used for detecting the magnetic field distribution inside rectangular structures at the frequencies of the transmission zeros. In this way a perceptible evidence is given to previous theoretical results, which have pointed out the existence of two ... View full abstract»

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  • A novel variable frequency sinusoidal oscillator using a single current conveyor

    Publication Year: 1978, Page(s): 800
    Cited by:  Papers (9)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (102 KB)

    A new active RC second-order sinusoidal oscillator using a single second generation current conveyor is described. A single grounded resistor adjusts the circuit for oscillation and a single grounded capacitor controls the oscillation frequency without affecting the oscilllation condition. View full abstract»

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  • New canonic active RC realizations of grounded and floating inductors

    Publication Year: 1978, Page(s):803 - 804
    Cited by:  Papers (11)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (225 KB)

    Two new canonic active RC networks are proposed for the simulation of grounded and floating lossy inductors. A grounded inductor is simulated with one operational amplifier, four resistors and one grounded capacitor. The circuit for a floating inductor employs two amplifiers, six resistors, and only one capacitor. View full abstract»

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  • Sensitivity of the eigenvalues of aggregated models

    Publication Year: 1978, Page(s):804 - 806
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (298 KB)

    It is shown that the sensitivities of the eigenvalues of aggregated models with respect to the parameters of the original high-order system are identical with the corresponding sensitivities of the latter, and independent of the choice of the aggregation matrix. View full abstract»

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  • Sampling and quantizing noise minimization of a digital phase locked loop

    Publication Year: 1978, Page(s):806 - 807
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (252 KB)

    In this note a new technique of minimizing the sampling and quantizing jitter of a digital phase locked loop has been suggested. Also presented are the experimental results in support of the conclusions. View full abstract»

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  • Generation of random bits with accurate and reproducible statistical properties

    Publication Year: 1978, Page(s):807 - 809
    Cited by:  Papers (2)  |  Patents (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (379 KB)

    The generation of "accurate" random bits is the key problem of the techniques which use random numbers. First the author establishes the accuracy requirements of a random bit generator for serial and parallel number generation. Then known methods are shown to be unsatisfactory for accurate applications. An accurate bit generator is proposed which provides a binary variable with equiprobable values... View full abstract»

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  • Comments on "Signal processing for the multistate myoelectric channel"

    Publication Year: 1978, Page(s):809 - 810
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (264 KB)

    This communication is a reply to statements made by Parker et al. regarding work by Graupe et al. on myoelectric multistate signal processing. In particular, it aims to correct the misconception in [1] that the work by Graupe et al. is based on using several electrode sites and that no attempt was made at evaluating performance, noting that the single electrode-site aspect was, and is, fundamental... View full abstract»

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  • Telecommunications and the computer

    Publication Year: 1978, Page(s):811 - 812
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  • Designing technical reports: Writing for audiences in organizations

    Publication Year: 1978, Page(s): 811
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  • Principles of communication

    Publication Year: 1978, Page(s):812 - 813
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  • Digital image restoration

    Publication Year: 1978, Page(s): 812
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  • Electrical network science

    Publication Year: 1978, Page(s):813 - 814
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  • A guide to using CSMP

    Publication Year: 1978, Page(s): 814
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  • Book alert

    Publication Year: 1978, Page(s):814 - 816
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  • [Back cover]

    Publication Year: 1978, Page(s): c4
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The most highly-cited general interest journal in electrical engineering and computer science, the Proceedings is the best way to stay informed on an exemplary range of topics.

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Meet Our Editors

Editor-in-Chief
H. Joel Trussell
North Carolina State University