Proceedings of the IEEE

Issue 2 • Feb. 1978

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Displaying Results 1 - 25 of 38
  • [Front cover and table of contents]

    Publication Year: 1978, Page(s): c1
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    Freely Available from IEEE
  • Scanning the issue

    Publication Year: 1978, Page(s):115 - 116
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    Freely Available from IEEE
  • Low-cost microcomputing: The personal computer and single-board computer revolutions

    Publication Year: 1978, Page(s):117 - 130
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (5577 KB)

    Personal computing is one of the most revolutionary applications of microprocessors; single-board computing is another. The origins of both applications are traced and current products and services described in a tutorial fashion. Trends are forecasted and conclusions drawn about these two low-cost computing revolutions. View full abstract»

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  • Microprocessors in consumer products

    Publication Year: 1978, Page(s):131 - 141
    Cited by:  Papers (5)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4092 KB)

    The impact of LSI and microprocessor technology on a host of home consumer products is overviewed. Trends in LSI technology are reviewed in particular as they affect programmable video display architectures. The programmable video game market is discussed and current product offerings are briefly described. The design tradeoffs associated with the RCA Studio H product are detailed, and a brief loo... View full abstract»

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  • Evolving microprocessors which better meet the needs of automotive electronics

    Publication Year: 1978, Page(s):142 - 150
    Cited by:  Papers (3)  |  Patents (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1006 KB)

    The rather explosive historical progress being made in large-scale integration of semiconductor elements is moving faster than the two or three years lead time needed in the automotive industry to move a new idea into production. By presenting a forecast of what can be done soon at a developmental level, both at the automotive electronic-control level and at the LSI microcomputer single-chip devel... View full abstract»

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  • Biomedical applications of microprocessors

    Publication Year: 1978, Page(s):151 - 161
    Cited by:  Papers (12)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2319 KB)

    A discussion of current microprocessor-based biomedical systems is presented. Applications covered include: methods and instruments for the measurement of blood pressure in ambulatory patients and at bedside; two approaches to limited automatic summarization of EEG data for diagnostic purposes; two developmental approaches to a microprocessor controller for an artificial arm; and a complex physiol... View full abstract»

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  • IEEE standard 488 and microprocessor synergism

    Publication Year: 1978, Page(s):162 - 172
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1241 KB)

    The assembly and use of more new and versatile instrumentation systems is now enhanced dramatically with the widespread application of IEEE Standard 488-1975, "Digital Interface for Programmable Instrumentation." This Standard interface provides an easy-touse high performance concept that links instruments, calculators or computers, and peripheral devices to function as automated instrumentation s... View full abstract»

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  • Microprocessors in instrumentation

    Publication Year: 1978, Page(s):172 - 181
    Cited by:  Papers (3)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2545 KB)

    The surge of microprocessors into the market place may have received a lot of press coverage, but its full impact in test instrumentation is yet to be felt. The authors discuss the promise microprocessors hold for instrumentation, from the very basics to a relatively complex design for the IEEE Standard 488 (or "GPIB") Interface Bus. They also guide the designer quickly through many of the pitfall... View full abstract»

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  • Microcomputer applications in telephony

    Publication Year: 1978, Page(s):182 - 191
    Cited by:  Papers (9)  |  Patents (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1057 KB)

    The application of microcomputers and other large-scale integrated (LSI) circuit products such as microcomputer memory peripherals, digital coders and decoders (codec), and channd filters to telephone switching systems, transmission systems, and to high-feature telephone instruments is discussed. Switching and transmission systems which use standardized digital transmission formats are described, ... View full abstract»

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  • Microprocessors in telecommunication systems

    Publication Year: 1978, Page(s):192 - 199
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1654 KB)

    An overview of the ways in which the microprocessor is impacting the design of telecommunication systems is presented. The concept of the microprocessor as a software customized, catalog device is discussed. The various processor structures which are being employed in telecommunication systems utilizing microprocessors are emphasized and several examples are described. View full abstract»

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  • Direct digital process control: Practice and algorithms for microprocessor application

    Publication Year: 1978, Page(s):199 - 208
    Cited by:  Papers (36)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (953 KB)

    Process control applications and control algorithms suited for microprocessors are surveyed. Applications are noted both in large, general purpose process control systems and in specialized applications that have been made possible by the availability of computing power in small packages. Distributed control and use of extended data buses (data highways), both made possible by extensive use of mic... View full abstract»

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  • A small-scale operating system foundation for microprocessor applications

    Publication Year: 1978, Page(s):209 - 216
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1012 KB)

    Sound engineering methodology, which has long been valued in hardware design, has been slower to develop in software design. This paper uses a case study of a small real-time system to discuss software design philosophies, with particular emphasis on the abstract machine view of systems. It demonstrates how the currently popular software design axioms of generality and modularity can be used to pr... View full abstract»

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  • Multi-microprocessors: An overview and working example

    Publication Year: 1978, Page(s):216 - 228
    Cited by:  Papers (32)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2445 KB)

    Rapid and continuing advances in large-scale integrated (LSI) semiconductor technology have lead to considerable speculation on ways to exploit microprocessors for building computer systems. Microprocessors are being applied very successfully where small amounts of computing power ate needed, such as in calculators, instruments, controllers, intelligent terminals, and more recently in consumer goo... View full abstract»

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  • Programming issues raised by a multiprocessor

    Publication Year: 1978, Page(s):229 - 237
    Cited by:  Papers (13)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1073 KB)

    As the cost of hardware decreases, it becomes attractive to interconnect multiple processors to form a powerful, cost-effective computer. The end product provided to users, however, is a combination of hardware and software. Because the cost of software development and maintenance dominates the cost of a deliverable system, cheaper hardware, which results in more expensive software, is not cost-ef... View full abstract»

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  • Microprocessor applications of integer arithmetic

    Publication Year: 1978, Page(s):238 - 244
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (681 KB)

    The integer arithmetic technique is introduced via an example taken from digital signal processing. There the technique is implemented on a bit slice microprocessor to calculate scaled values of a quantized input signal Successive solution points are generated within 200 ns of the input signal increments, and there is no accumulation of errors. The technique is extended to the calculation of incre... View full abstract»

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  • Distribution of charge on a wire in a warm plasma

    Publication Year: 1978, Page(s):249 - 250
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (210 KB)

    The distribution of charge on a straight wire of finite length, placed in a warm isotropic plasma, and raised to a known sinusoidal radio-frequency potential, is calculated by solving a boundary-value problem, and using the multiple water-bag model for the warm plasma. View full abstract»

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  • Minimal realization of a class of time-varying dynamical systems

    Publication Year: 1978, Page(s):250 - 252
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (238 KB)

    An algorithm for the irreducible realization of a class of time-varying systems is proposed. The procedure results in a Jordon canonical form minimal realization. This class of time-varying systems has been of recent interest in the study of linear time-varying systems. View full abstract»

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  • Comments on "A note on periodic solutions in weakly nonlinear systems"

    Publication Year: 1978, Page(s): 250
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  • Identification of linear time-invariant system using feedback gain

    Publication Year: 1978, Page(s):252 - 253
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (161 KB)

    Feedback property and exponential curve fitting are used to identify the parameters of transfer function. It is assumed that all state variables are inaccessible for measurement. View full abstract»

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  • A novel sine-wave generator using a single operational amplifier

    Publication Year: 1978, Page(s):253 - 254
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (321 KB)

    A new realization of a variable frequency active RC oscillator using a single operational amplifier is given. The frequency variation is obtained by controlling a single grounded capacitor in the network. View full abstract»

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  • Active-R resonator realization

    Publication Year: 1978, Page(s):254 - 255
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (157 KB)

    A technique for simulating a series resonator is presented. Then, using only resistors and two internally compensated operational amplifiers, three circuits for realizing an active-R series resonator are introduced. View full abstract»

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  • A maximally flat group delay recursive digital filter with Chebyshev stopband attenuation

    Publication Year: 1978, Page(s):255 - 257
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (257 KB)

    Due to the monotonically decaying nature of its magnitude response, an all-pole recursive digital filter, with its group delay approximating a prescribed constant value, does not exhibit a sharp transition band. Using transformation as the mathematical means, this correspondence describes a design technique for a recursive digital filter with a maximally flat group delay and a Chebyshev attenuatio... View full abstract»

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  • A note on filter application in averaging of samples

    Publication Year: 1978, Page(s):257 - 258
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (229 KB)

    In this contribution, the capability of filters to suppress random parts of a signal is treated in terms of their impulse and step responses. The idea is based on weighted averaging of digital data, and makes use of statistical moments of the random part of the signal and corresponding entropical uncertainty. This is illustrated by considering a low-pass FIR filter as an example. As a result, a si... View full abstract»

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  • Modified Pierce oscillator circuit

    Publication Year: 1978, Page(s):258 - 259
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (590 KB)

    An oscillator circuit is introduced which can be derived from the conventional Pierce circuit by substituting the quartz crystal by a resonant LC circuit. View full abstract»

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  • Four-phase regeneration effect of a parametrically excited nonlinear capacitor

    Publication Year: 1978, Page(s):259 - 260
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (205 KB)

    This paper proposes a four-phase regeneration amplifier and reports on the experimental characteristics of the phase-regenerative effect. This circuit may find its application in a direct-regeneration amplifier of a four-phase PCM-PM signal View full abstract»

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H. Joel Trussell
North Carolina State University