Title :
Volume self-complementary radiators
Author :
Levin, Boris ; Haridim, Motti
Author_Institution :
Holon Inst. of Technol. (HIT), Holon, Israel
Abstract :
New variants of self-complementary radiators employed for decreasing power scattering in a user´s body are considered. The principle of complementarity is generalized to the cases of nonplanar antennas and antennas with loads. Expressions relating wave and input impedances of metal and slot antennas located on a circular cone and paraboloid of rotation are obtained. These expressions are derived, using the principle of duality, by means of transition from a symmetrical magnetic V-dipole to a slot antenna. A method based on the calculation of the wave impedance of a uniform line with infinite length is used for determining the input impedance of an antenna on a lying pyramid. Characteristics of radiators located on the sides of regular and irregular pyramids are determined. It is shown that in order to match the self-complementary antenna with a standard cable, whose wave impedance differs from the antenna wave impedance, one must change the angular width of the radiators.
Keywords :
antenna radiation patterns; electric impedance; slot antennas; transmission line theory; antenna wave impedance; circular cone; input impedances; nonplanar antennas; self-complementary antenna; self-complementary radiators; slot antennas; standard cable; symmetrical magnetic V-dipole; Electromagnetic compatibility; Impedance; Metals; Shape; Slot antennas; Surface impedance; duality; electromagnetic analysis; self-complementary radiators; transmission line theory;
Conference_Titel :
Electromagnetic Compatibility (EMC Europe), 2014 International Symposium on
Conference_Location :
Gothenburg
DOI :
10.1109/EMCEurope.2014.6930868