quantum acoustics

  • 81Picosecond ultrasonics — When an ultrashort light pulse (duration: 100 fs, energy …

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  • 82Bilinear time–frequency distribution — Bilinear time–frequency distributions, or quadratic time–frequency distributions, arise in a sub field field of signal analysis and signal processing called time–frequency signal processing, and, in the statistical analysis of time series data.… …

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  • 83Bell Labs — Bell Laboratories (also known as Bell Labs and formerly known as AT T Bell Laboratories and Bell Telephone Laboratories) is the research organization of Alcatel Lucent and previously the American Telephone Telegraph Company (AT T). Bell… …

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  • 84Enrico Fermi — Infobox Scientist name = Enrico Fermi birth date = birth date|1901|9|29|df=y birth place = Rome, Italy death date = death date and age|1954|11|28|1901|9|29 death place = Chicago, Illinois, U.S. citizenship = Italy (1901 1938) United States (1944… …

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  • 85Resonance — This article is about resonance in physics. For other uses, see Resonance (disambiguation). Resonant redirects here. For the phonological term, see Sonorant. Increase of amplitude as damping decreases and frequency approaches resonant frequency… …

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  • 86Inverse problem — An inverse problem is a general framework that is used to convert observed measurements into information about a physical object or system that we are interested in. For example, if we have measurements of the Earth s gravity field, then we might …

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  • 87Mathematics of general relativity — For a generally accessible and less technical introduction to the topic, see Introduction to mathematics of general relativity. General relativity Introduction Mathematical formulation Resources …

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  • 88Allen Organ — Company, formed in 1939 by Jerome Markowitz, is located in Macungie, Pennsylvania. It is one of the world s largest builders of electronic organs. Allen introduced the world s first digital musical instrument in 1971(… …

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  • 89Fields of science — are widely recognized categories of specialized expertise within science, and typically embody their own terminology and nomenclature. Natural sciences Physical SciencesChemistry* Analytical chemistry * Biochemistry * Computational chemistry *… …

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  • 90analysis — /euh nal euh sis/, n., pl. analyses / seez /. 1. the separating of any material or abstract entity into its constituent elements (opposed to synthesis). 2. this process as a method of studying the nature of something or of determining its… …

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