Antennas and Wave PropagationAimed at a single-semester course on antennas at the undergraduate level, this textbook provides a lucid explanation of the fundamentals of antennas and propagation. It also includes simple design procedures along with a large number of examples and exercises. |
Contents
Antenna Characteristics | 31 |
Wire Antennas | 94 |
Aperture Antennas | 129 |
Copyright | |
7 other sections not shown
Common terms and phrases
amplitude angle aperture array factor axis beamwidth biconical antenna Calculate circularly polarized components compute current distribution current element dielectric diffraction direction distance e-jkr earth electric field electromagnetic waves equation EXAMPLE excitation expression far-field region field intensity free space frequency function gain given by Eqn ground plane H fields helical antenna hence Hertzian dipole horn incident input impedance ionosphere isotropic antenna linearly polarized magnetic field main beam main lobe matched maximum measurement monopole nulls path loss phase plane wave polarized wave power density Prad radiated power radiation intensity radiation pattern radiation resistance radius ratio receive antenna received power reflection reflector refraction Relative power dB rotation Rrad shown in Fig side lobe sin² Snell's law Solution spherical coordinates Substituting surface test antenna transmission line transmit antenna two-port network V₁ vector potential visible region voltage wavelength wire x-y plane z-directed zero