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Transmit Dish

Figure #1: The target is at range 1.5 m along the x axis. The Poynting vector at the target is .1391 W/m^2. The total power radiated by the dish is 97 mW. The dish focal length is 14 cm.

Figure #2: The radiation pattern of the paraboloid is shown in xy, yz, zx planes, at 4.5 GHz.

Figure #3: The Poynting vector at the target at 1.5 m is .1391 W/m^2. The directivity at the target is 40. The mean electric field at the target is 10.25 V/m. The mean magnetic field at the target Is 27.16 mA/m. The power incident on the target is 1.391 mW. The solid angle of the target is 4.44m.

Figure #4: The radiation at the target is linearly polarized, with the electric field in the z direction and the magnetic field in the y direction. The Poynting vector at the target is 0.1462 W/m^2.

Figure #5: Image of fields at the paraboloid surface. Magenta is surface current, green is surface magnetic field, red is normal electric field.

Figure #6: Beam width for frequency 3.1GHz is .2688. The Poynting vector at the target 3.1GHz is 56 mW/m^2.

Figure #7: Beam width for frequency 5.9 GHz is .1412. The Poynting vector at the target 5.9 GHz is 607 mW/m^2.

Figure #8: Beam width as function of frequency 3.1GHz – 5.9 GHz ranges from 0.2688 to 0.1412. Beam width at 4.5 GHz is 0.1852.

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