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
Monty Woolley

... because of a broken leg in 1942's The Man Who Came to Dinner[?], which he had performed onstage before taking it to Hollywood. Academy Awards and Nominations 1945 ...

 
 
 
This page was created in 23.5 ms