Encyclopedia > Spectral density

  Article Content

Spectral density

In physics, the spectral density, or more correctly the power spectral density of a given bandwidth of electromagnetic radiation is the total power in this bandwidth divided by the specified bandwidth.

Spectral density is usually expressed in watts per hertz (W/Hz).



All Wikipedia text is available under the terms of the GNU Free Documentation License

 
  Search Encyclopedia

Search over one million articles, find something about almost anything!
 
 
  
  Featured Article
Sanskrit language

... 36 sounds, though there is some debate over whether certain sounds are separate phonemes or allophones of one phoneme. The Sanskrit syllabary serves as a model for all ...

 
 
 
This page was created in 22.1 ms