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Author: Bernard Friedman
Publisher: Forgotten Books
ISBN: 9781332966684
Category : Mathematics
Languages : en
Pages : 42
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Book Description
Excerpt from Excitation of the Traveling Wave Tube The present report is a continuation of the work done by this group. In the analysis of the helical type traveling wave tube. It treats the prob lem of determining the strength of the modes excited in the cold helix in terms of the amplitude of an arbitrary incident field. In.particular the case when the lowest mode of a coaxial line is fed in is discussed. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: Bernard Friedman
Publisher: Forgotten Books
ISBN: 9781332966684
Category : Mathematics
Languages : en
Pages : 42
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Book Description
Excerpt from Excitation of the Traveling Wave Tube The present report is a continuation of the work done by this group. In the analysis of the helical type traveling wave tube. It treats the prob lem of determining the strength of the modes excited in the cold helix in terms of the amplitude of an arbitrary incident field. In.particular the case when the lowest mode of a coaxial line is fed in is discussed. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: Bernard Friedman
Publisher: Palala Press
ISBN: 9781378992548
Category : History
Languages : en
Pages : 36
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Book Description
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Author: Morris Kline
Publisher: Forgotten Books
ISBN: 9780265362112
Category : Science
Languages : en
Pages : 36
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Book Description
Excerpt from Theory of the Traveling Wave Tube Friedman, Bernard and Malin, Henry: Excitation of the Traveling Wave Tube, February, 1950. Friedman, Bernard and Malin, Henry: Orthogonality Properties of the Modes of the Helical Wave Tube, October, 1950. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: William Sollfrey
Publisher:
ISBN: 9781332123230
Category : Mathematics
Languages : en
Pages : 38
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Book Description
Excerpt from Effect of Initial Conditions on Traveling Wave Tubes Effect of Initial Conditions on Traveling Wave Tubes was written by William Sollfrey in 1951. This is a 37 page book, containing 7413 words and 3 pictures. Search Inside is enabled for this title. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: William Sollfrey
Publisher: Forgotten Books
ISBN: 9780656250400
Category : Mathematics
Languages : en
Pages : 58
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Book Description
Excerpt from The Gain and the Noise Figure of the Helical Traveling Wave Tube In Pierce's early paper, an estimate for the noise figure is given, based primarily on circuit analysis. We shall apply Friedman's improved analytical methods to this estimate, and then, under the same restrictions which apply to the gain, obtain the dependence of the noise figure on the system parameters. By this means we remove Pierce's assumption that the electron beam is treated as an infinitely thin shell, without using the equivalent thin beam treatment of Fletcher. The noise figure has been treated by Shnlman and Hews, using analytical methods similar to Friedman's but retaining the assumption of an infinitely thin beam. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: Mortimer L. Weitz
Publisher: Forgotten Books
ISBN: 9781333777340
Category : Mathematics
Languages : en
Pages : 26
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Book Description
Excerpt from Propagation Constants of Traveling Waves The usual technique employed in the analysis of a structure for possible use as a traveling-wave tube amplifier reduces to the problem of solving an equation the roots of which are the propagation constants of the possible modes of the system. Then one seeks to determine whether any of the roots correspond to an exponentially increasing wave, that is, to an amplifying wave. In general this propagation equation may be transcendental and rather difficult to solve. It would therefore be advantageous to have rules which would limit the portion of the complex plane which has to be examined for possible roots. One might expect that the law of conservation of energy would impose such a limitation. Pierce and Fieldlil give a physical argument for be lieving that such a restriction does indeed exist, but their argument is not proven rigorously. In the present paper, Since we Wish to make extensive use of a restriction of this type, we shall give a mathematically rigorous proof. We show that a restriction exists for the case of Circular cylindrical symmetry involving perfect conductors and dielectrics and a uniform velocity beam; this restriction is in fact that the propagation constant of an amplifying wave must be such that the wave travels more slowly than the electron velo city. (note that nothing is asserted about the unperturbed wave Speed, that is, the speed of propagation of a traveling wave in the absence of the electron beam.) About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: MORRIS. KLINE
Publisher:
ISBN: 9781033296158
Category :
Languages : en
Pages : 0
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Book Description
Author: Toshiyuki Shiozawa
Publisher: Springer Science & Business Media
ISBN: 9783540206231
Category : Science
Languages : en
Pages : 248
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Book Description
An advanced course of classical electrodynamics with application to the generation of high-power coherent radiation in the microwave to optical-wave regions. Specifically, it provides readers with the basics of advanced electromagnetic theory and relativistic electrodynamics, guiding them step by step through the theory of free-electron lasers. The theoretical treatment throughout this book is fully developed by means of the usual three-dimensional vector calculus.
Author: G. S. Nusinovich
Publisher: JHU Press
ISBN: 9780801879210
Category : Science
Languages : en
Pages : 356
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Book Description
"This book will be of interest to undergraduate and graduate students, plasma physicists interested in charged-particle dynamics, and applied physicists needing to know more about micro- and millimeter-wave technologies."--BOOK JACKET.
Author:
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 804
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Book Description
