Waveforms and Relative Phase Stability of Transients Radiated from a Helicopter-supported Antenna Wire

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ISBN 13 :
Total Pages : 18 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Waveforms and Relative Phase Stability of Transients Radiated from a Helicopter-supported Antenna Wire by : E. A. Lewis

Download or read book Waveforms and Relative Phase Stability of Transients Radiated from a Helicopter-supported Antenna Wire written by E. A. Lewis and published by . This book was released on 1965 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: A nearly vertical antenna wire varying in length from 3000 to 8000 ft was shock-excited by a high-voltage source. The resulting radiation fields were received at distances of about 600 km by two stations separated laterally so as to subtend an angle of about 15© at the source. The difference in wavefront arrival times at the two stations, observed for 101 transmissions, showed an average absolute deviation from the mean of about only 1/2 [mu]s. This figure includes the effects of possible source asymmetries, sferics noise, instrumental errors, and wave propagation. Typical oscillograms of antenna currents and radiation fields are given. It is shown that the amplitudes and durations of the pulse envelopes, the amplitudes and durations of the first half-cycles, and the quasi-frequencies of the pulses are in good agreement with a theory that takes energy losses into account.

On Transient Wave Propagation in a Plasma

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ISBN 13 :
Total Pages : 14 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis On Transient Wave Propagation in a Plasma by : Carl T. Case

Download or read book On Transient Wave Propagation in a Plasma written by Carl T. Case and published by . This book was released on 1965 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:

A Method for Estimating Atmospheric Noise Amplitudes and Phase Errors in Quenched High-Q Receiving Circuits

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ISBN 13 :
Total Pages : 50 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis A Method for Estimating Atmospheric Noise Amplitudes and Phase Errors in Quenched High-Q Receiving Circuits by : E. A. Lewis

Download or read book A Method for Estimating Atmospheric Noise Amplitudes and Phase Errors in Quenched High-Q Receiving Circuits written by E. A. Lewis and published by . This book was released on 1965 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt: Very narrow-band quenched filters used for studying VLF radio signals differ from conventional narrow-band circuits in that both signal and atmospheric noise impulses cause only brief quasi-sinusoidal outputs instead of a prolonged ringing. The random overlapping of these short noise and signal bursts can cause errors in phase measurements. It is shown that the distribution of phase errors can be calculated from the amplitude distribution of the output noise envelope. The properties of the phase distribution are discussed in detail, the computation required in the general case is illustrated by means of a numerical example. A simple 'time-sequential' method for experimentally obtaining typical amplitude distributions is suggested. (Author).

A Discussion of the Wheeler-Feynman Absorber Theory of Radiation

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ISBN 13 :
Total Pages : 34 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis A Discussion of the Wheeler-Feynman Absorber Theory of Radiation by : Ronald G. Newburgh

Download or read book A Discussion of the Wheeler-Feynman Absorber Theory of Radiation written by Ronald G. Newburgh and published by . This book was released on 1965 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Wheeler-Feynman absorber theory of radiation is reviewed. A proof is offered to show that a sum of advanced and retarded effects from the absorber can provide the origin of radiative reaction. This proof is different from and perhaps simpler than that of Wheeler and Feynman. From arguments of momentum and energy conservation the necessity of the absorber for the emission of radiation is demonstrated for three cases. (Author).

On the Relative Efficiencies of Context-free Grammar Recognizers

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ISBN 13 :
Total Pages : 22 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis On the Relative Efficiencies of Context-free Grammar Recognizers by : T. V. Griffiths

Download or read book On the Relative Efficiencies of Context-free Grammar Recognizers written by T. V. Griffiths and published by . This book was released on 1965 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt: A number of diverse recognition procedures that have been proposed for parsing sentences with respect to a context-free grammar are described in this paper by means of a common device. Each procedure is defined by giving an algorithm for obtaining a nondeterministic Turing Machine recognizer that is equivalent to a given context-free grammar. The formalization of the Turing Machine has been chosen to make possible particularly simple descriptions of the parsing procedures considered.

U. S. Government Research and Development Reports

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ISBN 13 :
Total Pages : 1776 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis U. S. Government Research and Development Reports by :

Download or read book U. S. Government Research and Development Reports written by and published by . This book was released on 1965 with total page 1776 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Bibliography of Scientific and Industrial Reports

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ISBN 13 :
Total Pages : 1698 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Bibliography of Scientific and Industrial Reports by :

Download or read book Bibliography of Scientific and Industrial Reports written by and published by . This book was released on 1965-07 with total page 1698 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Characteristic Wave Cataloguing for Ray Path Determination

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ISBN 13 :
Total Pages : 38 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Characteristic Wave Cataloguing for Ray Path Determination by : Yūji Inoue

Download or read book Characteristic Wave Cataloguing for Ray Path Determination written by Yūji Inoue and published by . This book was released on 1965 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wave cataloguing suitable for ray tracing of a pulsed wave packet in a weakly-dissipative, horizontallystratified magnetoionic medium is described, Particular attention is devoted to the cataloguing of the various characteristic waves so that the influence of the local ionization density and collision frequency can be understood. The procedure presented is applicable under general incident conditions and complex refractive index surfaces. The Booker quartic equation is used to derive the unambiguous wave normals and wave identification is obtained from the dispersion equation. A modified CMA. diagram including collisions is illustrated. (Author).

Wave Phenomena in Ionized Gases

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ISBN 13 :
Total Pages : 56 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Wave Phenomena in Ionized Gases by : Cap Haskell

Download or read book Wave Phenomena in Ionized Gases written by Cap Haskell and published by . This book was released on 1965 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Nonlinear Interaction of a Radio-frequency Wave with an Inhomogeneous Plasma Slab

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ISBN 13 :
Total Pages : 18 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis The Nonlinear Interaction of a Radio-frequency Wave with an Inhomogeneous Plasma Slab by : Robert J. Papa

Download or read book The Nonlinear Interaction of a Radio-frequency Wave with an Inhomogeneous Plasma Slab written by Robert J. Papa and published by . This book was released on 1965 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Technical Abstract Bulletin

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ISBN 13 :
Total Pages : 780 pages
Book Rating : 4.E/5 ( download)

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Book Synopsis Technical Abstract Bulletin by :

Download or read book Technical Abstract Bulletin written by and published by . This book was released on with total page 780 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Control of Electromagnetic Scattering by Impedance Loading

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ISBN 13 :
Total Pages : 24 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis The Control of Electromagnetic Scattering by Impedance Loading by : J. K. Schindler

Download or read book The Control of Electromagnetic Scattering by Impedance Loading written by J. K. Schindler and published by . This book was released on 1965 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Satellite Observations of Low-energy Primary Cosmic Ray Nuclei of Charges Z [greater Than Or Equal To] 6

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ISBN 13 :
Total Pages : 14 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Satellite Observations of Low-energy Primary Cosmic Ray Nuclei of Charges Z [greater Than Or Equal To] 6 by : Y. K. Lim

Download or read book Satellite Observations of Low-energy Primary Cosmic Ray Nuclei of Charges Z [greater Than Or Equal To] 6 written by Y. K. Lim and published by . This book was released on 1965 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Microwave Measurements of Partially Coherent Fields

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ISBN 13 :
Total Pages : 20 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Microwave Measurements of Partially Coherent Fields by : J. L. Poirier

Download or read book Microwave Measurements of Partially Coherent Fields written by J. L. Poirier and published by . This book was released on 1965 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Substituted Perinaphthenyl Anion Radicals

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ISBN 13 :
Total Pages : 16 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Substituted Perinaphthenyl Anion Radicals by : Tapan K. Mukherjee

Download or read book Substituted Perinaphthenyl Anion Radicals written by Tapan K. Mukherjee and published by . This book was released on 1965 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Plurality-count Diversity Combining for Fading M-ary Transmissions

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ISBN 13 :
Total Pages : 38 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Plurality-count Diversity Combining for Fading M-ary Transmissions by : John N. Pierce

Download or read book Plurality-count Diversity Combining for Fading M-ary Transmissions written by John N. Pierce and published by . This book was released on 1965 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt: The performance of a plurality-count diversity combiner for fading M-ary transmissions is analyzed, and calculated error probabilities are presented graphically for alphabet sizes of 2, 8, and 32. The performance is shown to be within 3 dB of that of an optimum square-law combiner for moderate alphabet sizes when there is no restriction on the allowable number of diversity branches. It is shown that a worthwhile saving in transmitted power can be effected by using nonbinary alphabets with plurality-count combining for the transmission of binary data. The availability of extra information from the combiner for use with error-correction is discussed.

On Measuring the Radar Cross Sections of Ducks and Chickens

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ISBN 13 :
Total Pages : 14 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis On Measuring the Radar Cross Sections of Ducks and Chickens by : P. Blacksmith (Jr.)

Download or read book On Measuring the Radar Cross Sections of Ducks and Chickens written by P. Blacksmith (Jr.) and published by . This book was released on 1965 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: