Constellation diagram

См. также в других словарях:

• Constellation diagram — A constellation diagram is a representation of a signal modulated by a digital modulation scheme such as quadrature amplitude modulation or phase shift keying. It displays the signal as a two dimensional scatter diagram in the complex plane at… …   Wikipedia

• Diagram — Further information: Chart Sample flowchart representing the decision process to add a new article to Wikipedia. A diagram is a two dimensional geometric symbolic representation of information according to some visualization technique. Sometimes …   Wikipedia

• Constellation (disambiguation) — A constellation is a certain area of the celestial sphere. Constellation may also refer to: General Constellations (journal), a peer reviewed sociology journal Systemic Constellations or Family Constellations, a kind of therapeutic method… …   Wikipedia

• Hertzsprung–Russell diagram — Hertzsprung–Russell diagram[1] with 22,000 stars plotted from the Hipparcos catalog and 1,000 from the Gliese catalog of nearby stars. Stars tend to fall only into certain regions of the diagram. The most predominant is the diagonal, going from… …   Wikipedia

• Color–color diagram — In astronomy, color–color diagrams are a means of comparing the apparent magnitudes of stars at different wavelengths. Astronomers typically observe at narrow bands around certain wavelengths, and objects observed will have different brightnesses …   Wikipedia

• Cygnus (constellation) — Cygnus Constellation List of stars in Cygnus Abbreviation Cyg Genitive Cygni Pronunciation …   Wikipedia

• Phase-shift keying — Passband modulation v · d · e Analog modulation AM · …   Wikipedia

• Quadrature amplitude modulation — (QAM) (Pronounced IPA|kwa:m) is a modulation scheme which conveys data by changing ( modulating ) the amplitude of two carrier waves. These two waves, usually sinusoids, are out of phase with each other by 90° and are thus called quadrature… …   Wikipedia

• Flag of Brazil — Use National flag and ensign …   Wikipedia

• Symbol rate — In digital communications, symbol rate (also known as baud or modulation rate) is the number of symbol changes (waveform changes or signalling events) made to the transmission medium per second using a digitally modulated signal or a line code.… …   Wikipedia

• Eye pattern — Graphical eye pattern showing an example of two power levels in an OOK modulation scheme. Constant binary 1 and 0 levels are shown, as well as transitions from 0 to 1, 1 to 0, 0 to 1 to 0, and 1 to 0 to 1. In telecommunication, an eye pattern,… …   Wikipedia