2018
DOI: 10.15622/sp.56.4
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Computer Simulation of the Diffraction of Millimeter Electromagnetic Waves to Detect Internal Defects of Products Made using Additive Technology

Abstract: Аннотация. В статье предлагается компьютерная модель и описание метода использования электромагнитных волн с длиной 0,1-1 мм для выявления внутренних дефектов изделий, выполненных по аддитивным технологиям. С помощью предложенной модели демонстрируется возможность бесконтактного неразрушающего контроля качества по дифракционным картинам.В настоящее время аддитивные технологии, и в частности печать на трехмерных принтерах, используют для получения изделия материалы, многие из которых свободно пропускают терагер… Show more

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“…To ensure the operation of this algorithm, it is necessary to compile tables of surface altitudes and obstacles to the passage of a radio signal, as well as attenuation of radio waves when passing through obstacles (for example, trees, surface features, etc.). The attenuation of radio waves when passing through obstacles requires a closer spacing of repeaters to ensure data transmission at the required speed [21]. The total attenuation (dB) of radio waves in areas with green spaces was determined by the expression [22]:…”
Section: Algorithm For Calculating Location Coordinates Of Repeaters For Territories With Variable Surface Featuresmentioning
confidence: 99%
“…To ensure the operation of this algorithm, it is necessary to compile tables of surface altitudes and obstacles to the passage of a radio signal, as well as attenuation of radio waves when passing through obstacles (for example, trees, surface features, etc.). The attenuation of radio waves when passing through obstacles requires a closer spacing of repeaters to ensure data transmission at the required speed [21]. The total attenuation (dB) of radio waves in areas with green spaces was determined by the expression [22]:…”
Section: Algorithm For Calculating Location Coordinates Of Repeaters For Territories With Variable Surface Featuresmentioning
confidence: 99%