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:

    “And its noise as the noise in a dream; and its depth as the roots
    of the sea:”
    —A.C. (Algernon Charles)

    “There is not the woman born who desires to eat the bread of dependence, no matter whether it be from the hand of father, husband, or brother; for any one who does so eat her bread places herself in the power of the person from whom she takes it.”
    —Susan B. Anthony (1820–1906)