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Proceedings of the IEEE

Issue 9 • Date Sept. 1984

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Displaying Results 1 - 22 of 22
  • [Front cover and table of contents]

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

    Publication Year: 1984, Page(s):1107 - 1108
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  • A heuristic guide to nonlinear dispersive wave equations and soliton-type solutions

    Publication Year: 1984, Page(s):1109 - 1130
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1917 KB)

    In this paper we present a heuristic way of constructing nonlinear dispersive equations that lead to soliton or soliton-type solutions. We assume only that a general knowledge of the dispersion relation of the system is known, together with some insight into the effect of nonlinearity on wave speed. We show that such knowledge is sufficient to derive most known soliton equations and thus to provid... View full abstract»

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  • Zero location with respect to the unit circle of discrete-time linear system polynomials

    Publication Year: 1984, Page(s):1131 - 1142
    Cited by:  Papers (95)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1065 KB)

    The location of the zeros of discrete systems characteristic polynomials with respect to the unit circle is investigated. A new sequence of symmetric polynomials of descending degrees is defined for the characteristic polynomial and the number of zeros inside and outside the unit circle is shown to be related to a certain sign variation pattern of the polynomials in the sequence. A stability table... View full abstract»

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  • Constructions and properties of Costas arrays

    Publication Year: 1984, Page(s):1143 - 1163
    Cited by:  Papers (170)  |  Patents (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1520 KB)

    A Costas array is an n × n array of dots and blanks with exactly one dot in each row and column, and with distinct vector differences between all pairs of dots. As a frequency-hop pattern for radar or sonar, a Costas array has an optimum ambiguity function, since any translation of the array parallel to the coordinate axes produces at most one out-of-phase coincidence. We conjecture that n &#... View full abstract»

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  • A Schelkunoff contribution to antenna theory

    Publication Year: 1984, Page(s): 1164
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (86 KB)

    First Page of the Article
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  • Theory of antennas of arbitrary size and shape

    Publication Year: 1984, Page(s):1165 - 1190
    Cited by:  Papers (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2254 KB)

    In this paper there are presented (1) a quite general method of antenna analysis; (2) a physical picture of transmission phenomena in antennas, based on this method; and (3) an expression for the input impedance of antennas of any shape, whose transverse dimensions are small compared with the wavelength. In a brief historical sketch of the antenna problem the factors which must be taken into consi... View full abstract»

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  • Shannon's general theory of communication

    Publication Year: 1984, Page(s): 1191
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (93 KB)

    First Page of the Article
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  • Communication in the presence of noise

    Publication Year: 1984, Page(s):1192 - 1201
    Cited by:  Papers (42)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1072 KB)

    A method is developed for representing any communication system geometrically. Messages and the corresponding signals are points in two "function spaces," and the modulation process is a mapping of one space into the other. Using this representation, a number of results in communication theory are deduced concerning expansion and compression of bandwidth and the threshold effect. Formulas are foun... View full abstract»

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  • Brainerd and Sharpless on the ENIAC

    Publication Year: 1984, Page(s): 1202
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  • The ENIAC

    Publication Year: 1984, Page(s):1203 - 1212
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1230 KB)

    The ENIAC is the only electronic large-scale general-purpose digital computing device now in operation. Its speed of operation compares favorably with other electric and mechanical computers. Developed under wartime pressure, it has been of value not only in producing results but in pointing the way toward improvements for future designs. View full abstract»

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  • Hopper and Mauchly on computer programming

    Publication Year: 1984, Page(s): 1213
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (97 KB)

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  • Influence of programming techniques on the design of computers

    Publication Year: 1984, Page(s):1214 - 1217
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (543 KB)

    Along with advances in hardware design, the programmer is making advances in programming techniques. These new techniques take advantage of the high-speed checked operation of the computer to perform the routine work of programming. It is quite conceivable that these techniques will exert a strong influence on Computer design in the future. View full abstract»

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  • Lateral waves near the air-sea boundary and atmospheric noise

    Publication Year: 1984, Page(s):1219 - 1221
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (282 KB)

    Considering attenuated atmospheric radio noise, useful signal-to-noise ratios are obtained with lateral waves between submerged horizontal dipoles for an air-sea model. View full abstract»

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  • A simple deductive proof of a stability test for two-dimensional digital filters

    Publication Year: 1984, Page(s):1221 - 1222
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (205 KB)

    A simple proof based on a continuity argument is proposed for a theorem on the stability tests of two-dimensional (2-D) digital filters, independently proposed by Strintzis and by DeCarlo, Murray, and Saeks. View full abstract»

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  • A nonlinear model for the GaAs ballistic diode

    Publication Year: 1984, Page(s):1222 - 1224
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (277 KB)

    A simple formula is presented for the current-voltage relationship of the GaAs ballistic diode. Also, closed-form expressions are derived for the harmonics and intermodulation current contents resulting from exciting the diode by a multisinusoidal input voltage. View full abstract»

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  • A successive approximation logic frequency-to-code converter

    Publication Year: 1984, Page(s):1224 - 1226
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (331 KB)

    A new frequency-to-code converter (fDC) circuit in which an input frequency fiis processed by successive approximation logic (SAL) to generate a proportional digital number is described in this letter. Several ingenious subcircuits plus the conventional sequencer clocked by the input hertz constitute the SAL fDC. Conversion time is equal to nTiwhere n is the number of bits in... View full abstract»

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  • A new automatic generation controller for a wind-driven slip-ring induction generator

    Publication Year: 1984, Page(s):1226 - 1229
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1163 KB)

    A new scheme for controlling the stator power output of a system-connected slip-ring induction generator by electronic variation of its rotor resistance is presented. Laboratory testing suggests the application of this scheme in overcoming major operational difficulties experienced by wind turbine generators operating in parallel with a small power grid. View full abstract»

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  • Parameter estimation: Principles and problems

    Publication Year: 1984, Page(s):1230 - 1231
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  • Modern filter design: Active RC and switched capacitor

    Publication Year: 1984, Page(s): 1231
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  • Book alert

    Publication Year: 1984, Page(s): 1231
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  • [Back cover]

    Publication Year: 1984, Page(s): c4
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Editor-in-Chief
H. Joel Trussell
North Carolina State University