Relativistic periodically-pulsed microwave oscillators

The experimental data to create relativistic HF-oscillators with the repetition rate up to 10
³
pps is given. The radiation in the 0.8–3 cm wavelength band with pulse intensity 10
⁸
–10
⁹
W is paid particular attention to. Studied are the relativistic BWO and orotron. The experiments were based on specially designed high-current repetitively-pulsed accelerators with high stability of electron beam parameters.