The results of research of the electrophysical and frequency characteristics of the semiconductor structure of a Schottky diode based on gallium arsenide are presented. The diode structure was modelled in the Sentaurus TCAD software package. A comparison of the current-voltage characteristics obtained by mathematical modeling and by experiment are presented. The frequency response in the range of 115-257 GHz is shown. The use of a Schottky diode as a continuous terahertz radiation detector is shown.
A model of a wireless network for collecting and transmitting agroclimatic parameters is presented in the paper. The method of data collection, the technology of their transmission is described. Organization diagram of agroclimatic probes network is given. The block diagram, composition and parameters of agroclimatic probes and the results of testing agroclimatic probes in the village of Mazalovo (Tomsk Region, Russia) are given in the article.
In paper the results of a research of the effect of porosity on the dielectric properties of a composite filament for a 3D-printer based on the fused deposition method were presented. The process of creating a composite filaments based on acrylonitrile butadiene styrene and multi-walled carbon nanotubes is described. On a quasi-optical spectrometer, the dielectric permittivity of samples of composite materials 3D printed from a porous filament at a frequency of 210 GHz were obtained.
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