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A brief description of methods for the investigation of nonlinear transformations of ultra-wideband (UWB) signals at their impact on circuits is provided. The experimental setups implementing such methods for the investigation of nonlinearity microwave circuits nonlinearity characteristics under the action of UWB signals are described.
GPR models are instrumental in improving procedures of signal processing and developing indicators for GPR data interpretation. The paper presents GPR models of basic types of geostructural discontinuities in alluvial placers of Yakutia. Frozen rock massif of placer deposits is characterized by layered structure and includes discontinuities related to disturbance of rock, relict streams, and boulder...
At the present the problem of distribution of electromagnetic waves in the atmosphere represents large interest. This problem is rather difficult, since by its consideration it is necessary to take into account set of the factors influencing on distribution of electromagnetic radiation in atmosphere.In the given work the model of distribution of electromagnetic waves in the atmosphere is described...
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