Encyclopedia > Frequency shift

Article Content

Frequency shift

In telecommunication, the term frequency shift has the following meanings:

Any change in frequency
Any change in the frequency of a radio transmitter or oscillator. (Note: In the radio regime, frequency shift is also called rf shift.)
Frequency-shift telegraphy[?]
In facsimile, a frequency modulation system where one frequency represents picture black and another frequency represents picture white[?]. Frequencies between these two limits may represent shades of gray
An intentional frequency change used for modulation purposes

Source: from Federal Standard 1037C and from MIL-STD-188

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

Islip Terrace, New York

... or more races. 6.61% of the population are Hispanic or Latino of any race. There are 1,755 households out of which 43.6% have children under the age of 18 living wi ...