## Antenna And Wave PropagationAntenna PrinciplesPotential functions and electromagnetic field, Current elements, Radiation from monopole and wave dipole, Network theorems, Directional properties of dipole antenna, Antenna gain, Effective area, Antenna terminal impedance, Antenna as an opened out transmission line, Practical antennas and methods of excitation, Transmission loss between antennas, Antenna temperature and Signal to noise ratio.Antennas ArraysTwo element array, Horizontal patterns in broadcast arrays, Linear arrays, Binomial array, Tchebyscheyff distribution.Wave PropagationModes of propagation, Plane earth reflection, Space wave and surface wave, Elevated dipole antennas above a plane earth, Wave tilt of the surface wave, Spherical earth propagation, Tropospheric wave, Ionosphere propagation, Sky wave transmission calculations, Effects of the earth's magnetic field, Wave propagation in the ionosphere, Virtual height, MUF/LUF, Skip distance, Duct propagation, Space wave.WaveguidesRectangular, Circular, Transmission line analogy for waveguides, Dielectric slab waveguide.Microwave GenerationConventional vacuum tubes, Klystrons : Reflex and multicavity, TWT, Magnetrons, FWCFA, BWCFA and BWO, IMPATT, Parametric devices, Gunn, InP, CdTe Diodes. |

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this is very nice book..and every concept are explained in a proper manner..this is very usefull for me and all student who keeps desire to know about the antenna...i request u to plz give link so that i can download the this book and us ethe book

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All 6 reviews »good to get antenna basics...

Given Problems are very effective in understanding theory

### Contents

Chapter 1 Antenna Principles 1 1to1 100 | 1 |

electric and magnetic phenomena The comprehensive study of characteristics of electric magnetic | 2 |

an Electric Dipole 1 | 17 |

Chapter 2 Antenna Arrays 21 to 252 | 2-1 |

using Tchebyscheff Polynomial 2 41 | 2-41 |

Chapter 3 Wave Propagation 31 to 372 | 3-1 |

and the Change in Refractive Index with Height 320 | 3-20 |

Chapter5 Waveguides 5110582 | 5-1 |

n element array It also explains Binomial array The method of pattern multiplication is illustrated | 5-39 |

vrVmVlg m_ g IJ 1 | 6-1 |

Chapter 6 Microwave Generation 61 to 660 | 6-6 |

explanation of surface and space waves It also explains effect of reflection and refraction by | 6-17 |

conventional tube and then it explains various microwave components and devices such as Gunn | 6-47 |

### Common terms and phrases

amplitude angle of incidence attenuation bandwidth beam boundary conditions broadside array called cathode cavity circuit Consider cos0 cosco critical frequency current distribution current element cut-off frequency cut-off wavelength dielectric constant diode direction of propagation distance dominant mode duct earth earth's surface electric field electron density energy expression factor field components field strength free space ground wave half wave dipole height Hence Hertzian dipole interms ionization ionosphere isotropic jcoe Klystron layer length magnetic field magnetron maximum radiation maximum usable frequency Maxwell's equations microwave obtained oscillator path phase velocity plane point sources potential power radiated Poynting vector propagation constant radiation pattern radiation resistance radio wave radius receiving antenna rectangular waveguide reflection refractive index shown signal Solution space wave Substituting value theorem TM wave transmission line transmitting antenna transverse troposphere vector voltage wave impedance wave propagation waveguide wavelength write zero