Noise Power

In telecommunication, the term noise power has the following meanings:

  1. The measured total noise per bandwidth unit at the input or output of a device when the signal is not present.
  2. The power generated by a random electromagnetic process.
  3. Interfering and unwanted power in an electrical device or system.
  4. In the acceptance testing of radio transmitters, the mean power supplied to the antenna transmission line by a radio transmitter when loaded with noise having a Gaussian amplitude-vs.-frequency distribution.

This article incorporates public domain material from the General Services Administration document "Federal Standard 1037C" (in support of MIL-STD-188).

Famous quotes containing the words noise and/or power:

    “Sing unto the Lordwith the harp, with the harp, and the voice of a
    psalm.
    With trumpets and sound of cornet make a joyful noise before the Lord,”
    —Bible: Hebrew Psalm XCVIII (l. XCVIII, 5–6)

    “What preoccupies us, then, is not God as a fact of nature, but as a fabrication useful for a God-fearing society. God himself becomes not a power but an image.”
    —Daniel J. Boorstin (b. 1914)