phase dispersion

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• Phase dispersion minimization — (PDM) is a data analysis technique that searches for periodic components of a time series data set. It is useful for data sets with gaps, non sinusoidal variations, poor time coverage or other problems that would make Fourier techniques unusable …   Wikipedia

• Phase Dispersion Minimization — PDM2 analysis for the double mode Cepheid variable TU Cas, primary period Raw data set for the analysis shown above. The large gaps are often found in ground …   Deutsch Wikipedia

• dispersion medium — noun (of colloids) a substance in which another is colloidally dispersed • Syn: ↑dispersing phase, ↑dispersing medium • Topics: ↑colloid • Hypernyms: ↑phase, ↑form * * * …   Useful english dictionary

• Phase vocoder — A phase vocoder is a type of vocoder which can scale both the frequency and time domains of audio signals by using phase information. The computer algorithm allows frequency domain modifications to a digital sound file (typically time… …   Wikipedia

• Dispersion (optique) — Dispersion Pour les articles homonymes, voir Dispersion (homonymie). Dispersion de la lumière blanche au passage d un dioptre. La dispersion, en mécanique ondulatoire, est le phénomène affectant une …   Wikipédia en Français

• Dispersion lumineuse — Dispersion Pour les articles homonymes, voir Dispersion (homonymie). Dispersion de la lumière blanche au passage d un dioptre. La dispersion, en mécanique ondulatoire, est le phénomène affectant une …   Wikipédia en Français

• dispersion — [ dispɛrsjɔ̃ ] n. f. • XIIIe, rare av. XVIIe; lat. dispersio, de dispersus → disperser ♦ Action de disperser, de se disperser; état de ce qui est dispersé. ⇒ dissémination, division, éparpillement. La dispersion des cendres par le vent. La… …   Encyclopédie Universelle

• Dispersion — may refer to: In physics: The dependence of wave velocity on frequency or wavelength: Dispersion (optics), for light waves Dispersion (water waves) Acoustic dispersion, for sound waves Dispersion relation, the mathematical description of… …   Wikipedia

• dispersion medium — n the liquid, gaseous, or solid phase in a two phase system in which the particles of the dispersed phase are distributed called also continuous phase, external phase …   Medical dictionary

• Phase contrast microscopy — Phase contrast image of a cheek epithelial cell Phase contrast microscopy is an optical microscopy illumination technique of great importance to biologists in which small (invisible to the human eye) phase shifts in the light passing through a… …   Wikipedia

• Dispersion (water waves) — This article is about dispersion of waves on a water surface. For other forms of dispersion, see Dispersion (disambiguation). In fluid dynamics, dispersion of water waves generally refers to frequency dispersion, which means that waves of… …   Wikipedia