## Space-charge Waves: And Slow Electromagnetic Waves |

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### Contents

General Introduction | 1 |

Maxwells Equations and Wave Equations | 17 |

Slowwave Structures | 43 |

Copyright | |

11 other sections not shown

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### Common terms and phrases

a.c. velocity amplifier amplitude annular beam Appendix approximation assumed backward-wave beam current behaviour Bessel functions boundary conditions Brillouin bunch calculated Carcinotron cathode cavity Chapter circuit equation components consider coupling impedance current density cylindrical derived device diameter discussed Doehler drift tube effect efficiency electric field electron beam electron velocity energy expression fills the tunnel focusing frequency gain given gives grids group velocity helix increase infinite initial input integral interaction klystron magnetic field matrix maximum Maxwell's equations modes negative noise noise figure notation obtain oscillation output parameter phase constant phase velocity Phys Pierce plane plot potential power flow problem Proc propagation constants r.f. current radial radius reduced reduction factor region resonator shown in Fig shows slow-wave small-signal solution space space-charge waves space-harmonic theory Thermionic Valves travelling-wave values valves variation vector velocity modulation voltage Warnecke waveguide wavelength zero