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Field strength : ウィキペディア英語版
Field strength

In physics, field strength or intensity means the magnitude of a vector-valued field.
For example, electromagnetic field results in both electric field strength and magnetic field strength.
As an application, in radio frequency telecommunications, the signal strength excites a receiving antenna and thereby induce a voltage at a specific frequency and polarization in order to provide an input signal to a radio receiver. Field strength meters are used for such applications as cellular, broadcasting, wi-fi and a wide variety of other radio-related applications.

==See also==

* Dipole field strength in free space
* Field strength tensor

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Field strength」の詳細全文を読む



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