Government-wide Index to Federal Research & Development Reports PDF Download
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Author:
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ISBN:
Category : Government publications
Languages : en
Pages : 1794
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Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1794
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Author:
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 780
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Author: Air Force Cambridge Research Laboratories (U.S.)
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ISBN:
Category : Geophysics
Languages : en
Pages : 350
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Author: E. W. Samson
Publisher:
ISBN:
Category : Algebra, Boolean
Languages : en
Pages : 38
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Book Description
The theory of substitutions for Boolean formulas developed in a previous report is applied here to the determination of those s-tuples of formulas that may be allowable replacements for s -tuples of sub-formulas of given Boolean formulas. The criteria of allowability are very general and flexible, yet may be expressed with great precision and ease. The results formalize and extend various known isolated instances. They may be used for the study of a large number of problems in the theory and application of Boolean formulas and functions.
Author: Marvin E. Brooking
Publisher:
ISBN:
Category : Electronic data processing
Languages : en
Pages : 32
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The 120-cell Punched-card Modifiable Logic Array is a repetitive eight-neighbor array of identical NAND gates that can be organized into different data processing subsystems. The signal interconnections between gates are controlled through punched-card operation; any subset of eight-neighbor connections can be made. This versatile and flexible logic array was fabricated for evaluating and verifying cellular logic concepts that appear to have utility for multipurpose or multifunctional arrays. Such arrays could be used in Air Force signal or data processing systems to enhance their flexibility. The array is described, the mode of interconnection control is outlined, and an example of the implementation of a ring oscillator and binary counter chain is presented. (Author).
Author: Carl T. Case
Publisher:
ISBN:
Category : Dielectrics
Languages : en
Pages : 22
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A system of fixed-rotating vectors can be used to study the impedance loci of functions of the first Foster form and of systems including negative impedance converters. Of particular interest in the field of dielectrics and biological membrane studies is a parallel RC network, where the dielectric of the capacitor is given by the Debye dispersion relations. Such a network also falls into the category of the first Foster form.
Author: Charles J. Drane (Jr.)
Publisher:
ISBN:
Category : Antenna arrays
Languages : en
Pages : 30
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Author: Howard Bierman
Publisher:
ISBN:
Category : Microelectronics
Languages : en
Pages : 328
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Author: Noel Stone
Publisher:
ISBN:
Category : Electric currents
Languages : en
Pages : 58
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It is shown that a spatial gradient in the steady flow of an ionized gas introduces terms into the generalized Ohm's law that represent an exchange of momentum between the electrons and the gas flow. Depending upon the flow geometry and gas compressibility this electrokinetic exchange can behave like a generator, a Hall current, or a resistive current. The scale of the phenomenon is L = +/V, where V is fluid velocity, + is electron-positive charge collision time. Electrokinetic conditions apply largely at boundaries. In a resistive medium with a static B-field, the principal condition for electron-flow interchange is that magnetic pressure dominate dynamic pressure. At the boundary of a plasma jet the scale over which EK terms are important is of the order of 1 mm. Only geometry and scale considerations are used in the momentum equation. The electrokinetic generation of surface currents is as fundamental for describing moving media as spacecharge effects are in the static case. (Author).
Author: Giuseppe Biorci
Publisher: Elsevier
ISBN: 0323163300
Category : Technology & Engineering
Languages : en
Pages : 655
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Book Description
Network and Switching Theory
