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- Title
Multichannel Ka-Band Microwave Oscillator Based on Frequency-Shifted Relativistic Backward-Wave Oscillators.
- Authors
Yalandin, M.; Sharypov, K.; Pedos, M.; Romanchenko, I.; Rostov, V.; Rukin, S.; Ul'maskulov, M.; Shpak, V.; Shunailov, S.
- Abstract
Experiments on summation of linearly polarized Gaussian wave beams in free space from two and four synchronous nanosecond Ka-band relativistic backward wave oscillators (BWOs), each having an output power of about 200 MW with controllably shifted oscillator frequencies have been carried out. An about 0.5% frequency shift in one of the channels was equivalent to a one-period phase delay of the carrier frequency. In a two-channel version of the device, a full beat cycle was obtained for a pulse with quadratic (with respect to the number of sources) enhancement of the power flux density at the interference maximum of the integral directional pattern (DP). In the case of a four-channel device, a diagonal displacement of the DP lobes has been demonstrated.
- Subjects
MICROWAVE oscillators; BACKWARD wave oscillators; GAUSSIAN beams; FREQUENCY shift keying; POWER density
- Publication
Radiophysics & Quantum Electronics, 2017, Vol 59, Issue 8/9, p629
- ISSN
0033-8443
- Publication type
Article
- DOI
10.1007/s11141-017-9729-7