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Proceedings of the IEEE

Issue 4 • Date April 1984

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Displaying Results 1 - 19 of 19
  • [Front cover and table of contents]

    Publication Year: 1984 , Page(s): c1
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  • Scanning the issue

    Publication Year: 1984 , Page(s): 403
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  • Low passband sensitivity digital filters: A generalized viewpoint and synthesis procedures

    Publication Year: 1984 , Page(s): 404 - 423
    Cited by:  Papers (89)
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (1534 KB)  

    The concepts of losslessness and maximum available power are basic to the low-sensitivity properties of doubly terminated lossless networks of the continuous-time domain. Based on similar concepts, we develop a new theory for low-sensitivity discrete-time filter structures. The mathematical setup for the development is the bounded-real property of transfer functions and matrices. Starting from this property, we derive procedures for the synthesis of any stable digital filter transfer function by means of a low-sensitivity structure. Most of the structures generated by this approach are interconnections of a basic building block called digital "two-pair," and each two-pair is characterized by a lossless bounded-real (LBR) transfer matrix. The theory and synthesis procedures also cover special cases such as wave digital filters, which are derived from continuous-time networks, and digital lattice structures, which are closely related to unit elements of distributed network theory. View full abstract»

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  • Engineering—Economic analysis of electric power systems

    Publication Year: 1984 , Page(s): 424 - 461
    Cited by:  Papers (5)
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    This state-of-the art paper sets out recent developments in the engineering-economic analysis of electric power systems, especially the formulation of optimal investment and pricing policies. The basic economic principle is that electricity services should be provided in a manner which maximizes the net benefits of consumption of society as a whole. In investment policy, this principle may often be reduced to the simpler rule of minimizing total costs subject to specific constraints. In pricing policy, rates should reflect the marginal costs of supply, thus ensuring that economic efficiency criteria are satisfied. However, these marginal costs must be systematically adjusted to yield a practical tariff structure that meets other policy objectives. Several case studies are provided which illustrate the practical application of the methodology to optimize investment planning and reliability, system losses, and tariffs. View full abstract»

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  • Kennelly uses complex quantities to simplify AC analysis

    Publication Year: 1984 , Page(s): 462
    Cited by:  Papers (1)
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    First Page of the Article
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  • Impedance

    Publication Year: 1984 , Page(s): 463 - 492
    Cited by:  Papers (3)
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    First Page of the Article
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  • Lamme on a revolution in electric power generators

    Publication Year: 1984 , Page(s): 493
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  • High-speed turbo-alternators—Designs and limitations

    Publication Year: 1984 , Page(s): 494 - 526
    Cited by:  Papers (1)
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  • Least squares adaptive antenna for angle of arrival estimation

    Publication Year: 1984 , Page(s): 528 - 530
    Cited by:  Papers (3)
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (311 KB)  

    The least squares formulation of an adaptive antenna is presented, which (with the aid of a calibration curve) may be used to estimate the angle of arrival in the presence of multipath as encountered in a low-angle tracking radar environment. A procedure (based on the Eckart-Young theorem) is proposed for improving the noise performance of the estimator. View full abstract»

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  • A flash-type frequency-to-code converter

    Publication Year: 1984 , Page(s): 530 - 532
    Cited by:  Papers (4)
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (308 KB)  

    A novel frequency-to-code converter (fDC) circuit is described in this letter. In principle, this fDC is an analog of flash ADC in which voltage levels are substituted by frequency numbers. Ingenious subcircuits, developed to generate reference frequencies and high-low frequency discriminating flags are incorporated in it. Conversion time is equal to the period of the input hertz. View full abstract»

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  • Capacitance uniformity of silicon hyperabrupt varactors

    Publication Year: 1984 , Page(s): 532 - 533
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    Capacitance uniformity of silicon hyperabrupt varactors for VHF/UHF TV tuner is reported. The devices have been fabricated by a simple composite process in which two conventional techniques CVD and thermal diffusion are coupled to achieve high capacitance uniformity. It is observed that the capacitance matching of these diodes is better or comparable to that of the varactors which have been reported to be fabricated by sophisticated techniques such as ion implantation or epitaxy. View full abstract»

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  • A time-domain adaptive algorithm for rapid convergence

    Publication Year: 1984 , Page(s): 533 - 535
    Cited by:  Papers (6)
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    A time-domain adaptive LMS algorithm is presented which has, theoretically, the fastest convergence rates. The algorithm requires o(N2) operations where N is the length of the adaptive filter. It is shown that this algorithm is equivalent to the transform-domain adaptive algorithm with the optimum convergence rates proposed by Narayan et al. However the present algorithm does not require Karhunen-Loeve transforms for its implementation. It is also shown that the algorithm can be implemented with a complexity of o(mN) operations if the input process to the adaptive filter can be modeled as an autoregressive process of order m. View full abstract»

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  • Chebyshev phase approximation

    Publication Year: 1984 , Page(s): 535 - 537
    Cited by:  Papers (1)
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    A method to determine a network transfer function with minimum phase shift, the phase of which approximates a given phase in the Chebyshev sense, is described. The approximation method is exclusively based on the solution of the linear equation system. View full abstract»

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  • A time-varying difference equation for nonperiodic sampling systems

    Publication Year: 1984 , Page(s): 537 - 539
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    It is shown that nonperiodic discrete-continuous sampling systems may be modeled in the time domain by a difference matrix equation which may be manipulated in the same way as in the case of periodic sampling. The output sequence may be computed by means of finite combinations of previous inputs and outputs using a finite set of time-varying parameters which are dependent on the parameters of the continuous transfer matrix and on a finite set of previous sampling periods equal to the order of the system. View full abstract»

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  • CHIRP Doppler radar

    Publication Year: 1984 , Page(s): 540 - 541
    Cited by:  Papers (13)  |  Patents (2)
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (152 KB)  

    The idea of combining the clinical procedure known as Reconstruction Tomography, and the radar processing for linear FM pulse compression, in order to map radar backscatter energy, is explained. A possible configuration is described. View full abstract»

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  • Psychophysiological aspects of sleep

    Publication Year: 1984 , Page(s): 542 - 543
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  • Tools of the mind: Techniques and methods for intellectual work

    Publication Year: 1984 , Page(s): 542
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  • Book alert

    Publication Year: 1984 , Page(s): 543
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  • [Back cover]

    Publication Year: 1984 , 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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Editor-in-Chief
H. Joel Trussell
North Carolina State University