Synthesis of radiometric receivers on the criterion of statistical invariance to fluctuations of strengthening and narrow-band interference
Journal Title: Технологический аудит и резервы производства - Year 2018, Vol 1, Issue 1
Abstract
<p><em>The tasks of practical veterinary medicine related to the development of new methods and tools for the operative diagnosis of inflammatory diseases and traumas of agricultural and domestic animals require the development of fundamentally new methods and equipment for noninvasive diagnosis of the condition of animals.</em></p><p><em>For remote measurement of their own thermal electromagnetic radiation of animals, the radiometric receiver was synthesized behind the criterion of statistical invariance to the AC fluctuations and to the effect of narrow-band interference.</em></p><p><em>The scheme of a synthesized radio receiver is substantiated, which is invariant with respect to the AC fluctuations and completely invariant with respect to a narrow-band harmonic type. The peculiarity of this scheme is that in this radio receiver the input signal coming from the antenna in the input circuit is divided by power into two components, one of which is delayed by the time τ, and then these components are added together in the adder. Then there is amplification followed by division into two components, one of which is delayed for the same time τ, and then these components are multiplied, and their product is averaged.</em></p><p><em>In accordance with the obtained expressions, for the impulse response of the input circuit and the quadratic detection scheme, the structure of the synthesized radio measuring receiver is constructed. For practical purposes, a radio measuring receiver with parameters is made: sensitivity – 10<sup>-17</sup> W; frequency range – 30–40 GHz; measuring speed – 0.5 s; measurement accuracy – 0.1–0.2 ºC.</em></p><p><em>Practical testing of the radiometric receiver shows the possibility of displaying the temperature of internal tissues, obtaining a visual picture of the heat field, which allows the veterinarian to establish the correct diagnosis.</em></p>
Authors and Affiliations
Taras Hutsol, Vadim Popryaduhin, Irina Popova, Natalia Kosulina, Aleksandr Cherenkov
Keywords
Related Articles
- EP ID EP527289
- DOI 10.15587/2312-8372.2018.123737
- Views 170
- Downloads 0
Selection of the optimal set of revenue management tools in hotels
<p><em>The object of research is the scientific category «revenue management» and its tools, which, with the growth of the number of on-line sales channels of hotel services, become decisive in the struggle for survival....
Development of the technology of mushroom sauce with functional ingredients
<p><em>The object of research is mushroom powders of champignons (Agaricus campestris), reishi (Ganoderma lucidum), shiitake (Lentinula edodes) and technology mushroom sauce with a thickener.</em></p><p><em>In Ukraine, t...
Systematization and development of the provisions for statement of lean synchronization accounting of cash flow from operating activities of industrial enterprises
<p class="Default"><em>The object of research is the components of lean accounting of cash from operating activities in their interaction, taking into account the focus on minimizing losses in the system of lean manageme...
Resolving epistemological issues in theoretical and methodological apparatus of institutional theories of organizations
<p><em>Agency-structure debate has become one of the central issues in modern organizational sociology and the most problematic theoretical area in institutional analysis. Since then researchers in new institutional soci...
Determination of motivation growth of labor migration: evolution, modern content
<p><em>The object of research is the motivational basis of labor migration, the evolution of its development and modern content. One of the most problematic issues is the lack of a common understanding of the concept of...