Beschreibung
InhaltsangabeStatische Felder und stationäre Ströme.- I. Die physikalischen Begriffe und Gesetze der statischen elektrischen und magnetischen Felder.- a) Das elektrostatische Feld.- b) Das elektrische Feld stationärer Ströme.- c) Das magnetische Feld stationärer Ströme.- II. Eigenschaften und Berechnungsmethoden skalarer und vektorieller Potentialfelder.- Eigenschaften der Potentialfelder.- III. Zweidimensionale Probleme.- a) Komplexes Potential. Überlagerung und Spiegelung.- b) Konforme Abbildung und Greensche Funktion.- c) Konforme Abbildung durch bekannte Funktionen.- d) Abbildung polygonaler Bereiche.- e) Weitere ebene Felder.- IV. Dreidimensionale Probleme.- a) Einfache Feldkonfigurationen. Räumliche Spiegelung.- b) Skalares und Vektorpotential in allgemeinen krummlinigen Orthogonalkoordinaten.- c) Potentialfelder in kartesischen Koordinaten.- d) Potentialfelder in zylindrischen Koordinaten.- e) Felder in rotationssymmetrischen Koordinaten.- f) Weitere Koordinatensysteme.- V. Numerische, graphische und experimentelle Feldbestimmungen.- a) Numerische Feldbestimmungsmethoden.- b) Graphische Konstruktion der Niveau- und Feldlinien.- c) Experimentelle Feldausmessung.- Literatur.- ?) Bücher mehr physikalischen Inhalts.- ?) Bücher mehr mathematischen Inhalts.- Quasi-Stationary and Nonstationary Currents in Electric Circuits.- A. Essentials of electromagnetic theory.- B. Electric circuits: the internal and external fields.- C. Transmission-line theory.- D. Radiating circuits: antennas.- E. Receiving circuits: antennas.- General references.- Electromagnetic Waveguides and Resonators.- A. Wave propagation in lossless cylindrical tubes.- B. Transmission-line analogy of waveguide propagation.- C. Cylindrical waveguides.- D. Miscellaneous waveguides.- E. Slow-wave and surface-wave guiding structures.- F. Waveguide junctions.- G. Cavity resonators.- Propagation of Electromagnetic Waves.- I. Propagation of electromagnetic waves through free space.- a) General properties of electromagnetic waves.- b) Rigorous solutions of Maxwell's equations in free space.- c) The field in the wave zone.- d) Geometrical-optics approximations.- II. Transmitters as sources of electromagnetic fields.- a) Characteristic properties of a transmitter.- b) The electromagnetic field generated by transmitters.- c) Current distributions in antenna systems.- d) Properties connected with the reciprocity theorem.- e) General properties and special types of antennas.- III. Focussing of antenna radiation.- a) Introduction and terminology.- b) Reflectors.- c) Microwave lenses.- IV. Propagation of radio waves not significantly influenced by the earth's curvature.- a) Propagation through an homogeneous atmosphere above a plane earth.- b) Propagation through an homogeneous atmosphere above an inhomogeneous rough earth.- c) Propagation through a stratified atmosphere above an homogeneous plane earth.- d) Influence of turbulence on wave propagation.- V. Propagation of radio waves around the curved earth.- a) Propagation through an homogeneous curved atmosphere.- b) Theory of propagation through an inhomogeneous curved atmosphere.- c) A survey of phenomena concerning radio propagation through the curved atmosphere.- General references.- The Dispersion and Absorption of Electromagnetic Waves.- A. Introduction.- B. Low frequency measurements.- I. Basic bridge methods.- II. Alternative bridge circuits.- III. Resonance methods.- IV. Direct-current methods; long relaxation times.- C. High-frequency measurements.- I. Resonance methods.- a) The E010 resonator system.- b) The H01n resonator system.- c) The coaxial line system.- II. Waveguide methods.- a) General theory of the standing wave method.- b) The two-waveguide absorption method.- c) Measurement of propagation constant, ?.- III. Free-wave methods.- a) Reflection and absorption measurements.- b) Millimetre wavelength interferometry.- D. Dielectric properties of mixtures.- E. Experimental results for typical dielectric materials.- General r
