- polar keying
- = polarizing keying полярная манипуляция
English-Russian dictionary of telecommunications and their abbreviations. A.V. Alexandrov.. 2004.
polar keying
Смотреть что такое "polar keying" в других словарях:
polar transmission — A method of transmitting teletypewriter signals, whereby the marking signal is represented by direct current flowing in one direction and the spacing signal is represented by an equal current flowing in the opposite direction. In tone… … IT glossary of terms, acronyms and abbreviations
Phase-shift keying — Passband modulation v · d · e Analog modulation AM · … Wikipedia
chemical bonding — ▪ chemistry Introduction any of the interactions that account for the association of atoms into molecules, ions, crystals, and other stable species that make up the familiar substances of the everyday world. When atoms approach one another … Universalium
Modulation — For musical change of key, see Modulation (music). For other uses, see Modulation (disambiguation). Passband modulation v · d · e … Wikipedia
Olivia MFSK — Spectrogram (waterfall display) of an Olivia 16/500 signal centered on 7073.25KHz Olivia MFSK is an amateur radioteletype protocol designed to work in difficult (low signal to noise ratio plus multipath propagation) conditions on shortwave bands … Wikipedia
Non-return-to-zero — The binary signal is encoded using rectangular pulse amplitude modulation with polar non return to zero code In telecommunication, a non return to zero (NRZ) line code is a binary code in which 1 s are represented by one significant condition… … Wikipedia
Media coverage of climate change — has significant effects on public opinion on climate change,[1] as it mediates the scientific opinion on climate change that the global instrumental temperature record shows increase in recent decades and that the trend is caused mainly by human… … Wikipedia
Telegraphy — (from the Greek words (τηλε) = far and (γραφειν) = write) is the long distance transmission of written messages without physical transport of letters. Radiotelegraphy or wireless telegraphy transmits messages using radio. Telegraphy includes… … Wikipedia
Line code — An example of coding a binary signal using rectangular pulse amplitude modulation with polar non return to zero code … Wikipedia
Node-to-node data transfer — In telecommunications, node to node data transfer is the movement of data from one node of a network to the next. In the OSI model it is handled by the lowest two layers, the data link layer and the physical layer. In most communication systems,… … Wikipedia
Bipolar encoding — An example of bipolar encoding, or AMI (Alternate mark inversion). In telecommunication, bipolar encoding is a type of line code (a method of encoding digital information to make it resistant to certain forms of signal loss during transmission).… … Wikipedia
