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This article considers simulation of extended high-current relativistic electron beams moving in crossed fields of special configuration. Shapes of beams at different values of their parameters are presented. It is shown that the virtual cathode is not formed in the calculated beam.
The article describes designing of a low-noise amplifier with protection of input stages against influence input CW power to 2 W working in a range of frequencies 3...8 GHz with gain not less than 32 dB. The amplifier is made of the quasi-monolithic circuit. The basic stages of design, modeling of amplifier operation and its implementation are described. Comparative results of simulated and measured...
For the simulation and design of smart antenna transmission principles in mobile radio, precise knowledge of the time-variant directional multipath structure in various radio environments is required. This paper describes a measuring campaign by using real-time multiple-input-multiple-output (MIMO) vector radio channel sounder. The measured results can also be used directly for the simulation of MIMO...
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