Antennas and Propagation: 1981 International Symposium Digest : Bonaventure Hotel, Los Angeles, California, Volume 2 |
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Page 467
... geometry are therefore taken into account . Measured patterns from a model of the array agree well with the computer - predicted results . ANTENNA DESIGN The DFES antenna shown in figure la has two unique properties that are needed for ...
... geometry are therefore taken into account . Measured patterns from a model of the array agree well with the computer - predicted results . ANTENNA DESIGN The DFES antenna shown in figure la has two unique properties that are needed for ...
Page 524
... geometry of the guide varies periodically can be utilized for various devices , such as filter , modulators and laser resonators . Bragg interaction of the periodic structure has been analysed mainly by the Floquet method1 , 2 ...
... geometry of the guide varies periodically can be utilized for various devices , such as filter , modulators and laser resonators . Bragg interaction of the periodic structure has been analysed mainly by the Floquet method1 , 2 ...
Page 537
... geometry , the loop of radius b and conductor radius a is located at a distance h from the center of the spherical cavity of radius c or at a distance d = c - h from the surface of the cavity , see Figure la . With the loop driven by a ...
... geometry , the loop of radius b and conductor radius a is located at a distance h from the center of the spherical cavity of radius c or at a distance d = c - h from the surface of the cavity , see Figure la . With the loop driven by a ...
Contents
PROPAGATION | 371 |
Transequatorial Propagation on VHF and | 379 |
Scattering of Electromagnetic Plane Wave | 387 |
8 other sections not shown
Common terms and phrases
amplitude analysis angle antenna pattern antenna system aperture application approximately array antenna attenuation axial ratio azimuthal bandwidth batwing antenna beam calculated Cassegrain antenna characteristics circuits circular components computed cross-polarized current distribution cylinder dielectric diffraction dipole direction effect electric field electromagnetic element equivalent excitation feed finite frequency function geometry ground plane helical Helical Antennas helix horn IEEE IEEE Trans incident input impedance integral equation length linear lossy magnetic matrix measured method mode monopole antenna mutual coupling numerical obtained paraboloidal parameters phased array plane wave polarization problem propagation radiation pattern radome rectenna References reflection coefficient reflector antenna region resonance scan scattering shown in Figure shows sidelobe sidelobe level signal slot solution space spherical spiral antenna structure strut subreflector surface wave symmetric technique theory tion transmission trap twin loop antenna Unimoment unipole-notch V-loop values vector VSWR waveguide wavelength wavenumber wire