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two-level quantization

См. также в других словарях:

  • Quantization (signal processing) — In digital signal processing, quantization is the process of approximating a continuous range of values (or a very large set of possible discrete values) by a relatively small set of discrete symbols or integer values.More specifically, a signal… …   Wikipedia

  • Landau quantization — in quantum mechanics is the quantization of the cyclotron orbits of charged particles in magnetic fields. As a result, the charged particles can only occupy orbits with discrete energy values, called Landau levels. The Landau levels are… …   Wikipedia

  • Block Truncation Coding — Block Truncation Coding, or BTC, is a type of lossy image compression technique for greyscale images. It divides the original images into blocks and then uses a quantiser to reduce the number of grey levels in each block whilst maintaining the… …   Wikipedia

  • MPEG-1 — Moving Picture Experts Group Phase 1 (MPEG 1) Filename extension .mpg, .mpeg, .mp1, .mp2, .mp3, .m1v, .m1a, .m2a, .mpa, .mpv Internet media type audio/mpeg, video/mpeg Developed by ISO, IEC Type of format audio, vid …   Wikipedia

  • Delta-sigma modulation — Delta sigma (ΔΣ; or sigma delta, ΣΔ) modulation is a method for encoding high resolution or analog signals into lower resolution digital signals. The conversion is done using error feedback, where the difference between the two signals is… …   Wikipedia

  • Composite fermion — For other uses, see Fermions#Composite fermions. A composite fermion is the bound state of an electron and an even number of quantized vortices, sometimes visually pictured as the bound state of an electron and, attached, an even number of… …   Wikipedia

  • DBFS — means decibels full scale . It is an abbreviation for decibel amplitude levels in digital systems which have a maximum available level (like PCM encoding).0 dBFS is assigned to the maximum possible level.cite web last =Price first =Jim authorlink …   Wikipedia

  • Jaynes-Cummings model — The Jaynes Cummings model (JCM) is a theoretical model in quantum optics. It describes the system of a two level atom interacting with a quantized mode of an optical cavity, with or without the presence of light. The JCM is of great interest in… …   Wikipedia

  • Neutrino theory of light — The neutrino theory of light is the proposal that the photon is a composite particle formed of a neutrino antineutrino pair. It is based on the idea that emission and absorption of a photon corresponds to the creation and annihilation of a… …   Wikipedia

  • Modulation — For musical change of key, see Modulation (music). For other uses, see Modulation (disambiguation). Passband modulation v · d · e …   Wikipedia

  • spectroscopy — spectroscopist /spek tros keuh pist/, n. /spek tros keuh pee, spek treuh skoh pee/, n. the science that deals with the use of the spectroscope and with spectrum analysis. [1865 70; SPECTRO + SCOPY] * * * Branch of analysis devoted to identifying… …   Universalium

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