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You can easily export your PDF files to DOCX with this online tool. Furthermore, the Online PDF Converter offers many more features. Just select the files, which ... Let us assume for a moment that electromagnetic waves propagate under ideal conditions, ie, without dispersion If high-frequency energy is emitted by an isotropic radiator, then the energy propagates uniformly in all directions Areas with the same power density therefore form spheres (A = 4p r ) around the radiator (see Figure 29) The same amount of energy spreads out on an incremented spherical surface at an incremented spherical radius That means that the power density on the surface of a sphere is inversely proportional to the radius of the sphere Since a spherical segment emits equal radiation in all direction (at constant transmit power), if the power radiated is redistributed to provide more radiation in one direction, it results in an increase of the power density in the direction of the radiation This effect is called antenna gain, and it is obtained by directional radiation of the power So, the formula to calculate the directional power flux density, S, is PT GT [W/m 2 ] 4 r 2 pdf to powerpoint converter online free: Convert PDF to PowerPoint - FREE Online PDF to PPT converter ... convert pdf to editable word online PDF to Word Converter – 100% Free
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