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B Traveling Wave Tubes Research
Co UHF Tube and Circuit Research
Meteor Ionization Research 3543
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amplifier amplitude analysis approximately aquadag attenuating region Attnt band beam current beam voltage calculation cathode cavity Cavity Resonator center attenuation characteristic characteristic impedance conductivity Cornell Aeronautical Laboratory Dept determine diameter dielectric diffraction direction Doppler shift duplex traveling-wave klystron echoes effect electron beam equation experimental finite frequency range gain drop gain-bandwidth product grid helices helix impedance increased indicate input investigation ionization clouds ionization column Laboratory magnetic field maximum gain measured meteoric ionization method microwave noise figure observed obtained parameter perpendicular Pierce's plot power level predicted probe Progress Report propagation quartz r-f power radius reflection resonant shown in Fig signal level Single-Frequency Experiment space charge smoothing Stafft standing wave ratio stub swept oscillator Sylvania Electric Products synchronous Technical Report technique tests theoretical gain theory tion trail transformation transmission Traveling Wave Tube traveling-wave tube tuned values of beam wave guide wavelengths whistle zeros