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Theoretical And Experimental Investigation Of Large Signal Traveling Wave Tubes
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Book Synopsis Theoretical and Experimental Investigation of Large-signal Traveling Wave Tubes by : C. A. BRACKETT
Download or read book Theoretical and Experimental Investigation of Large-signal Traveling Wave Tubes written by C. A. BRACKETT and published by . This book was released on 1961 with total page 1 pages. Available in PDF, EPUB and Kindle. Book excerpt: A general 2-dimensional nonlinear interaction theory is developed for traveling-wave tubes and specialized to include klystrons. The equationsARE DEVELOPED USING A Lagrangian analysis and the space-charge fields are found by 2-dimensional Green's function techniques. Experimental data are given on a UHF Crestatron designed to operate over the frequency range from 300 to 900 mc. Both cold-test and hot-test measurements are given on tube No. 4 operating under pulsed conditions. The design of a microperveance-one axially symmetric electron gun with the Poisson cell is outlined and detailed information on the space-charge density distribution and potential gradient at the cathode are given. (Author).
Author :G. T. Konrad, R. W. Larson, J. G. Meeker, J. E. Rowe, H. Sobol, J. W. Ward, C. P. Wen Publisher : ISBN 13 : Total Pages :252 pages Book Rating :4.L/5 ( download)
Book Synopsis THEORETICAL AND EXPERIMENTAL INVESTIGATION OF LARGE-SIGNAL TRAVELING-WAVE TUBES by : G. T. Konrad, R. W. Larson, J. G. Meeker, J. E. Rowe, H. Sobol, J. W. Ward, C. P. Wen
Download or read book THEORETICAL AND EXPERIMENTAL INVESTIGATION OF LARGE-SIGNAL TRAVELING-WAVE TUBES written by G. T. Konrad, R. W. Larson, J. G. Meeker, J. E. Rowe, H. Sobol, J. W. Ward, C. P. Wen and published by . This book was released on 1960 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Investigation of Large-signal Klystron and Traveling-wave Devices by :
Download or read book Investigation of Large-signal Klystron and Traveling-wave Devices written by and published by . This book was released on 1965 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt: A general nonlinear multi-dimensional interaction theory is employed to analyze Brillouin focused beams in klystrons and traveling-wave amplifiers. Harmonic currents and beam spread are found for a number of different situations. Closed-form solutions are being sought for the nonlinear equations. Beam stability in the presence of r-f and velocity distribution effects on the start-oscillation conditions of BWO's are two specific problems where these solutions are to be applied. Experimental programs to check these analyses are described. An appropriate taper on a ring-and-bar circuit for obtaining phase-focused operation is presented. Progress on the magnetron injection gun computer program is described. The trajectory starting problem appears to be solved, while further work on establishing the proper current density from the cathode is indicated. Provisions in the relativistic electron beam computer program for self-induced effects are also described. The status of the UHF helix-magnetron injection gun device is summarized. Performance data of the gun in a beam analyzer is presented. (Author).
Book Synopsis Keywords Index to U.S. Government Technical Reports by :
Download or read book Keywords Index to U.S. Government Technical Reports written by and published by . This book was released on 1962 with total page 748 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. Department of Commerce. Office of Technical Services Publisher : ISBN 13 : Total Pages :836 pages Book Rating :4.E/5 ( download)
Book Synopsis Keywords Index to U.S. Government Technical Reports (permuted Title Index). by : United States. Department of Commerce. Office of Technical Services
Download or read book Keywords Index to U.S. Government Technical Reports (permuted Title Index). written by United States. Department of Commerce. Office of Technical Services and published by . This book was released on 1963 with total page 836 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis U.S. Government Research Reports by :
Download or read book U.S. Government Research Reports written by and published by . This book was released on 1964 with total page 2180 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Investigation of Large-signal Traveling-wave Tubes by : G. T. Konrad
Download or read book Investigation of Large-signal Traveling-wave Tubes written by G. T. Konrad and published by . This book was released on 1962 with total page 1 pages. Available in PDF, EPUB and Kindle. Book excerpt: Research was continued on a study of large signal traveling-wave tubes. Extensions on the two-dimensional large-signal analysis for klystrons and traveling-wave tubes are presented. Space-charge effects and the effects of stream subdivisions and the number of charge groups chosen are shown in a number of graphs. The work on the nonlinear theory of multistream microwave devices by a density function method is summarized. An improved method of handling the coupling between positive and negative velocity regions was worked out. Experimental test results on several phase-focused tubes are presented. Efficiency enhancements obtained by this method as well as a simple depressed potential collector are described. The test results obtained on the ring-and-bar tube before it had to be rebuilt are also listed. Several additional minor changes made on the solid beam digital computer program are described. Futhermore the status of the program for solution of magnetron injection guns is discussed. (Author).
Book Synopsis Nonlinear Electron-Wave Interaction Phenomena by : Joseph E. Rowe
Download or read book Nonlinear Electron-Wave Interaction Phenomena written by Joseph E. Rowe and published by Academic Press. This book was released on 2013-10-22 with total page 607 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nonlinear Electron-Wave Interaction Phenomena explores the interaction between drifting streams of charged particles and propagating electromagnetic waves. Of particular concern are the situations in which the wave amplitude is large and there is strong coupling between the charged fluid and the wave. Emphasis is placed on those devices that utilize a defined injected stream of some type. Particle and electromagnetic wave velocities both small and comparable to the velocity of light are considered. Comprised of 16 chapters, this book begins with an introduction to the various classes of devices in which the drifting stream (charged fluid) is composed of electrons and/or ions coupled to a slow electromagnetic wave over an extended region. The discussion then turns to Eulerian versus Lagrangian formulation and radio-frequency equivalent circuits, along with space-charge-field expressions. Subsequent chapters focus on the interaction mechanisms in klystrons, traveling-wave amplifiers, and O-type backward-wave oscillators, as well as crossed-field forward- and backward-wave amplifiers, and traveling-wave energy converters. The book also evaluates multibeam and beam-plasma interactions; phase focusing of electron bunches; pre-bunched electron beams; collector depression techniques; and modulation characteristics. This monograph is designed to serve both as a research monograph for workers in the fields of microwave electron and plasma devices and as a text for advanced graduate students.
Book Synopsis Technical Abstract Bulletin by : Defense Documentation Center (U.S.)
Download or read book Technical Abstract Bulletin written by Defense Documentation Center (U.S.) and published by . This book was released on 1961-04 with total page 1746 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Plasma Physics and Magnetohydrodynamics by :
Download or read book Plasma Physics and Magnetohydrodynamics written by and published by . This book was released on 1963 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Investigation of Large-Signal Traveling-Wave Tubes by : G. T. Konrad
Download or read book Investigation of Large-Signal Traveling-Wave Tubes written by G. T. Konrad and published by . This book was released on 1964 with total page 77 pages. Available in PDF, EPUB and Kindle. Book excerpt: 27The two-dimensional analysis for large signal phenomena in traveling-wave devices and klystrons has been employed to obtain solutions to drift-space interaction phenomena. The velocity components and harmonic current components within an electron stream are presented. The nonlinear theory for the solution of large-signal phenomena in microwave devices by a density function method has been checked. The Langmuir diode has been used as a test case. The agreement with the known results for this geometry is excellent. The work on a tube using a helix-type slow-wave circuit with two successive step changes in the phase velocity near the output end of the tube is described. The initial results are summarized. Cold test data on the ring-and-bar tube in the presence of a conducting shield around the slow-wave circuit has been obtained. These results are presented in detail in the form of a series of curves. (Author).
Book Synopsis Journal of Research by : United States. National Bureau of Standards
Download or read book Journal of Research written by United States. National Bureau of Standards and published by . This book was released on 1964 with total page 1354 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Journal of Research, National Bureau of Standards by : United States. National Bureau of Standards
Download or read book Journal of Research, National Bureau of Standards written by United States. National Bureau of Standards and published by . This book was released on 1964 with total page 1400 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis State-of-the-Art of High-Power Gyro-Devices - Update of Experimental Results 2023 (KIT Scientific Reports ; 7765) by : Thumm, Manfred
Download or read book State-of-the-Art of High-Power Gyro-Devices - Update of Experimental Results 2023 (KIT Scientific Reports ; 7765) written by Thumm, Manfred and published by KIT Scientific Publishing. This book was released on 2024-02-06 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report presents an update of the experimental achievements published in the review “State- of-the-Art of High-Power Gyro-Devices and Free Electron Masers”, Journal of Infrared, Millimeter, and Terahertz Waves, 41, No. 1, pp 1-140 (2020) and in the KIT Scientific Report 7761 (2021), related to the development of gyro-devices (Tables 2-34). Emphasis is on high-power gyrotron oscillators for long-pulse or continuous wave (CW) operation and pulsed gyrotrons for any applications.
Book Synopsis News of Higher Educational Institutions by :
Download or read book News of Higher Educational Institutions written by and published by . This book was released on 1961 with total page 2318 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1987 with total page 964 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Millimeter-Wave Gyrotron Traveling-Wave Tube Amplifiers by : Chao-Hai Du
Download or read book Millimeter-Wave Gyrotron Traveling-Wave Tube Amplifiers written by Chao-Hai Du and published by Springer. This book was released on 2014-05-29 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt: A gyrotron traveling-wave amplifier (gyro-TWT) with the high-power and broad-band capabilities is considered as a turn-on key for next generation high-resolution radar. The book presents the most advanced theory, methods and physics in a gyro-TWT. The most challenging problem of instability competition has been for the first time addressed in a focused and systematic way and reported via concise states and vivid pictures. The book is likely to meet the interest of researchers and engineers in radar and microwave technology, who would like to study the gyro-TWTs and to promote its application in millimeter-wave radars. Chao-Hai Du and Pu-Kun Liu are both professors at Peking University.
