Keying

Keying may refer to:

  • Keying, the installation of cryptographic key material into a device
  • Keying (graphics), a technique for compositing two full frame images together
  • Keying (telecommunications), a form of modulation where the modulating signal takes one of two or more values at all times
  • Keying, a form of vandalism performed by scratching paint with a key
  • Keying (official), an official of Ching Dynasty.
    • Keying (ship), a Chinese junk which sailed to the U.S. and Britain in 1847–1848, named after the official
    • Keying and Marine House, a building named after the official.

Read more about Keying:  See Also

Other articles related to "keying":

Multiple Frequency-shift Keying
... Multiple frequency-shift keying (MFSK) is a variation of frequency-shift keying (FSK) that uses more than two frequencies ...
Telecommunications Systems - Key Concepts - Modulation
... This is commonly called "keying" – a term derived from the older use of Morse Code in telecommunications – and several keying techniques exist (these include ... The "Bluetooth" system, for example, uses phase-shift keying to exchange information between various devices ... there are combinations of phase-shift keying and amplitude-shift keying which is called (in the jargon of the field) "quadrature amplitude modulation" (QAM) that are ...
Arc Converter - Keying
... in a stable fashion, normal on-off keying could not be used ... Instead, a form of frequency shift keying was employed ... In one uniwave method, called the ignition method, keying would start and stop the arc ...
Amplitude And Phase-shift Keying
... Amplitude and Phase-shift keying or Asymmetric Phase-shift keying, (APSK), is a digital modulation scheme that conveys data by changing, or modulating, both the amplitude and the ... In other words, it combines both Amplitude-shift keying (ASK) and Phase-shift keying (PSK) to increase the symbol-set ...