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IBM Journal of Research and Development

Issue 4 • Date Oct. 1960

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Displaying Results 1 - 12 of 12
  • Fourier Analysis of the Motion of a Hydraulically Controlled Piston

    Publication Year: 1960, Page(s):378 - 390
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1031 KB)

    The problem is considered of the motion of a free piston in a finite pipe filled with a compressible liquid and subject to a step in pressure introduced from the two ends. The treatment is in one dimension using the linearized wave equation for the density disturbance and the linearized boundary conditions. A generalized Fourier series expansion leads to the solution of the problem. The mathematic... View full abstract»

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  • Shock Waves in Nonlinear Transmission Lines and Their Effect on Parametric Amplification

    Publication Year: 1960, Page(s):391 - 401
    Cited by:  Papers (33)  |  Patents (8)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (935 KB)

    The propagation of a periodic signal on a transmission line with a nonlinearity in the distributed capacitance is examined. The signal is deformed during its propagation and electromagnetic shock waves are generated. It is pointed out that the shock wave will form in a distance which is short for any parametric amplification purposes. The subsequent growth of the shock and its decay, due to the in... View full abstract»

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  • On the Switching Time of Subharmonic Oscillators

    Publication Year: 1960, Page(s):402 - 406
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (528 KB)

    The time necessary to change the phase of an idealized subharmonic parametric oscillator from one value to a value differing by 180° is calculated for various values of pump power and switching power. Several conclusions are drawn from the results. View full abstract»

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  • A Duality Theorem for Convex Programs

    Publication Year: 1960, Page(s):407 - 413
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (576 KB)

    A proof is given for a duality theorem for a class of convex programs, i.e., constrained minimization of convex functions. A simple example is included. View full abstract»

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  • A Class of Optimal Noiseless Load-Sharing Matrix Switches

    Publication Year: 1960, Page(s):414 - 417
    Cited by:  Papers (9)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (447 KB)

    A load-sharing matrix switch with noise-cancelling features was proposed recently.1 Another paper2 suggests that for some cases the number of input wires may be reduced with an improved scheme. The purpose of this note is to report a further improvement over the schemes mentioned. The method to be described requires a minimum number of input wires View full abstract»

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  • New Developments in Load-Sharing Matrix Switches [Letter to the Editor]

    Publication Year: 1960, Page(s):418 - 422
    Cited by:  Papers (2)
    IEEE is not the copyright holder of this material | PDF file iconPDF (429 KB)
    Freely Available from IEEE
  • High-Speed Counter Requiring No Carry Propagation [Letter to the Editor]

    Publication Year: 1960, Page(s):423 - 425
    IEEE is not the copyright holder of this material | PDF file iconPDF (273 KB)
    Freely Available from IEEE
  • Increasing the Brightness-Voltage Nonlinearity of Electroluminescent Devices [Letter to the Editor]

    Publication Year: 1960, Page(s):426 - 429
    Cited by:  Papers (2)
    IEEE is not the copyright holder of this material | PDF file iconPDF (457 KB)
    Freely Available from IEEE
  • Determining Component Variation for Gradual Transition between Dissimilar Impedances [Letter to the Editor]

    Publication Year: 1960, Page(s):430 - 438
    IEEE is not the copyright holder of this material | PDF file iconPDF (650 KB)
    Freely Available from IEEE
  • IBM Technical Papers Published in Other Journals

    Publication Year: 1960, Page(s):439 - 448
    IEEE is not the copyright holder of this material | PDF file iconPDF (1182 KB)
    Freely Available from IEEE
  • Recent IBM Patents

    Publication Year: 1960, Page(s):449 - 450
    IEEE is not the copyright holder of this material | PDF file iconPDF (269 KB)
    Freely Available from IEEE
  • Authors

    Publication Year: 1960, Page(s):451 - 452
    IEEE is not the copyright holder of this material | PDF file iconPDF (258 KB)
    Freely Available from IEEE

Aims & Scope

The IBM Journal of Research and Development is a peer-reviewed technical journal, published bimonthly, which features the work of authors in the science, technology and engineering of information systems.

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Editor-in-Chief
Clifford A. Pickover
IBM T. J. Watson Research Center