Noise power

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

1. The measured total noise in a given bandwidth at the input or output of a device when the signal is not present; the integral of noise spectral density over the bandwidth
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 supplied to the antenna transmission line by a radio transmitter when loaded with noise having a Gaussian amplitude-vs.-frequency distribution.

References[]

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

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