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Titlebook: Lateral Electromagnetic Waves; Theory and Applicati Ronold W. P. King,Margaret Owens,Tai Tsun Wu Book 1992 Springer-Verlag New York, Inc. 1

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發(fā)表于 2025-3-28 17:29:30 | 只看該作者
Ronold W. P. King,Margaret Owens,Tai Tsun Wuaftliche Schwerpunkte waren dabei der Oberharz mit seinen im 16. Jahrhundert gegründeten sieben Bergst?dten und Goslar mit dem Rammelsberg, der schon frühzeitig eine herausragende Stellung einnahm. Im Ostteil des Gebirges entwickelte sich im Raum Stra?berg-Harzgerode ein ebenfalls w?hrend der Renais
42#
發(fā)表于 2025-3-28 21:23:03 | 只看該作者
43#
發(fā)表于 2025-3-29 02:07:05 | 只看該作者
schaft der Vererbungserscheinungen vorgeschlagen. Nach Bateson besteht der Gegenstand der Genetik in der Physiologie der Vererbung und Variation (?physiology of heredity and variation?).. Das Wort verbreitet sich im zweiten Jahrzehnt des 20. Jahrhunderts, u.a. durch eine einführende Monografie Bates
44#
發(fā)表于 2025-3-29 03:14:50 | 只看該作者
Historical and Technical Overview of Electromagnetic Surface Waves; Introduction to Lateral Waves,es an electromagnetic field in the form of outward-traveling spherical waves. At sufficiently large electrical distances from the source [. ? 1, where . = .(.ε.). the wave number], its component electric and magnetic fields in the spherical coordinates ., Θ, Φ are . where Θ is measured from the posi
45#
發(fā)表于 2025-3-29 08:22:30 | 只看該作者
Electromagnetic Preliminaries,. is the complex wave number and . is the complex permittivity. In (2.1.4), . is the conductivity and . = . . . . is the permittivity with . . = 8.854 . 10. F/m. The real part of the complex wave number is the real wave number or phase constant . The associated wavelength λ and phase velocity . are
46#
發(fā)表于 2025-3-29 11:24:28 | 只看該作者
The Electromagnetic Field of a Unit Vertical Electric Dipole in the Presence of a Plane Boundary, terms of general integrals for many years. Following Sommerfeld, it has been expressed in terms of derivatives of the Hertz potential. In this form it is difficult to visualize the nature of the electromagnetic field. A somewhat better insight is obtained from the explicit integrals for the compone
47#
發(fā)表于 2025-3-29 15:39:27 | 只看該作者
48#
發(fā)表于 2025-3-29 21:54:44 | 只看該作者
The Electromagnetic Field of a Horizontal Electric Dipole in the Presence of a Plane Boundary,range of frequencies used in broadcast radio communication. Antenna lengths of a quarter- or half-wavelength in air are practical and directional arrays are readily constructed. The entire far field along the surface of the earth or sea is a lateral wave often called the Norton surface wave. At lowe
49#
發(fā)表于 2025-3-30 02:33:53 | 只看該作者
50#
發(fā)表于 2025-3-30 05:07:07 | 只看該作者
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