# amplitude correlation function

- 振幅相关函数

*Atmospheric Sciences (English-Chinese) dictionary.
2014.*

### Look at other dictionaries:

**Partition function (mathematics)**— The partition function or configuration integral, as used in probability theory, information science and dynamical systems, is an abstraction of the definition of a partition function in statistical mechanics. It is a special case of a… … Wikipedia**Partition function (quantum field theory)**— In quantum field theory, we have a generating functional, Z [J] of correlation functions and this value, called the partition function is usually expressed by something like the following functional integral::Z [J] = int mathcal{D}phi e^{i(S… … Wikipedia**Ambiguity function**— In pulsed radar and sonar signal processing, an ambiguity function isa two dimensional function of time delay and Doppler frequencychi( au,f) showing the distortion of an uncompensated matched filter (sometimes called pulse compression) due to… … Wikipedia**Feynman diagram**— The Wick s expansion of the integrand gives (among others) the following termNarpsi(x)gamma^mupsi(x)arpsi(x )gamma^ upsi(x )underline{A mu(x)A u(x )};,whereunderline{A mu(x)A u(x )}=int{d^4pover(2pi)^4}{ig {mu u}over k^2+i0}e^{ k(x x )}is the… … Wikipedia**Coherence (physics)**— In physics, coherence is a property of waves that enables stationary (i.e. temporally and spatially constant) interference. More generally, coherence describes all properties of the correlation between physical quantities of a wave. When… … Wikipedia**Propagator**— This article is about Quantum field theory. For plant propagation, see Plant propagation. Quantum field theory … Wikipedia**optics**— /op tiks/, n. (used with a sing. v.) the branch of physical science that deals with the properties and phenomena of both visible and invisible light and with vision. [1605 15; < ML optica < Gk optiká, n. use of neut. pl. of OPTIKÓS; see OPTIC,… … Universalium**List of mathematics articles (C)**— NOTOC C C closed subgroup C minimal theory C normal subgroup C number C semiring C space C symmetry C* algebra C0 semigroup CA group Cabal (set theory) Cabibbo Kobayashi Maskawa matrix Cabinet projection Cable knot Cabri Geometry Cabtaxi number… … Wikipedia**Ward-Takahashi identity**— In quantum field theory, a Ward Takahashi identity is an identity between correlation functions that follows from the global or gauged symmetries of the theory, and which remains valid after renormalization. The Ward Takahashi identity of quantum … Wikipedia**Weak gravitational lensing**— While the presence of any mass bends the path of light passing near it, this effect rarely produces the giant arcs and multiple images associated with strong gravitational lensing. Most lines of sight in the universe are thoroughly in the weak… … Wikipedia**LSZ reduction formula**— In quantum field theory, the LSZ reduction formula is a method to calculate S matrix elements (the scattering amplitudes) from the time ordered correlation functions of a quantum field theory. It is a step of the path that starts from the… … Wikipedia