Antennas and Propagation: 1981 International Symposium Digest : Bonaventure Hotel, Los Angeles, California, Volume 2 |
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Results 1-3 of 59
Page 421
... problem occur . Firstly supergain would be una- voidable . Of course the use of time delays at each element would provide very broad instantaneous bandwidths , but at microwave frequencies time delay on every element is presently too ...
... problem occur . Firstly supergain would be una- voidable . Of course the use of time delays at each element would provide very broad instantaneous bandwidths , but at microwave frequencies time delay on every element is presently too ...
Page 457
... problem in periodic lattice environment . 2. Formulation . As a preliminary step toward the treatment of the actual microstrip " patch " phased array , we have analyzed a two - dimensional model . This model should shed light on the way ...
... problem in periodic lattice environment . 2. Formulation . As a preliminary step toward the treatment of the actual microstrip " patch " phased array , we have analyzed a two - dimensional model . This model should shed light on the way ...
Page 616
... problem of a trapped TM surface wave propagating along a plane surface having a nonuniform sur- face impedance transition . The problem is formulated using the compensation theorem and a modification of the original problem , yielding a ...
... problem of a trapped TM surface wave propagating along a plane surface having a nonuniform sur- face impedance transition . The problem is formulated using the compensation theorem and a modification of the original problem , yielding 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