## Antenna theory and designHighly respected authors have reunited to update the well known 1981 edition which is still hailed as one of the best in its field. This edition includes recent antenna innovations and applications. It features a succinct treatment of the finite difference, time domain (FDTD) computational technique. It is also the first text to treat physical theory of diffraction (PTD). |

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### Contents

Chapter 1 Antenna Fundamentals and Definitions | 1 |

Chapter 2 Some Simple Radiating Systems and Antenna Practice | 56 |

Arrays | 88 |

Copyright | |

12 other sections not shown

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### Common terms and phrases

amplitude angle aperture antennas aperture efficiency approximation array factor bandwidth beamwidth biconical antenna broadside calculated circular components cross-polarization current distribution curve diffracted field diffraction dipole antenna directivity edge electric field electromagnetic element endfire equations equivalent evaluated example excitation expression far-field FD-TD Figure frequency function gain geometrical optics grid ground plane half-power beamwidth half-wave dipole half-wavelength helix horn antenna ideal dipole IEEE Trans incident field input impedance integral isotropic length line source linear array loop magnetic main beam matrix maximum method mode monopole normalized obtained parabolic reflector pattern factor phase error planar plane patterns plane wave Prob problem propagation radiation pattern rays receiving antenna reflector antenna region resonant scan scattered short dipole shown in Fig side lobes surface taper test antenna transmission line uniform line source vector voltage waveguide wavelength wire antenna z-axis z-directed zero