CULP
发表于 2025-3-25 07:24:25
https://doi.org/10.1007/978-90-481-2360-5the solution to the source-free wave equation. Starting with ., we assumed that a wave was generated in some fashion but did not concern ourselves too much with how the wave was generated. Occasionally, the term “source” or “antenna” was mentioned but only to indicate that the wave must have a source.
EXULT
发表于 2025-3-25 09:53:41
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富足女人
发表于 2025-3-25 14:48:09
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玛瑙
发表于 2025-3-25 15:55:00
Transients on Transmission Lines,onic representation. Voltage and current were phasors and a number of properties such as the speed of propagation, wavelength, and phase and attenuation constants were used as a direct consequence of the time-harmonic nature of the waves. Much of the discussion paralleled that of propagation of plane waves in unbounded domains.
吗啡
发表于 2025-3-25 23:56:53
Antennas and Electromagnetic Radiation,the solution to the source-free wave equation. Starting with ., we assumed that a wave was generated in some fashion but did not concern ourselves too much with how the wave was generated. Occasionally, the term “source” or “antenna” was mentioned but only to indicate that the wave must have a source.
排名真古怪
发表于 2025-3-26 02:54:39
https://doi.org/10.1007/978-3-658-20899-8vectors and the necessary operations shortly, but, for now, it is useful to remember the following axiom which will be followed throughout this book: Nothing will be defined, no quantity or operation will be used, unless it has some utility either in explaining the observed physical quantities or ot
假装是我
发表于 2025-3-26 04:56:40
Technische Mittel zur Terrorismusabwehr,ons that use integrals and derivatives. The rules needed for these evaluations constitute vector calculus. In particular, line, volume, and surface integration are important, as are directional derivatives.
left-ventricle
发表于 2025-3-26 09:29:12
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放逐某人
发表于 2025-3-26 16:07:09
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nonsensical
发表于 2025-3-26 19:35:13
Terroristische Diktaturen im 20. Jahrhunderts were known, the electric field and potential could be determined. However, many practical situations exist in which the charges are either unknown or are distributed in a complex fashion The use of the simple formulas for the calculation of fields in these geometries is not always possible. In sti