phase-shift analysis

См. также в других словарях:

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

• Phase response curve — A phase response curve (PRC) illustrates the transient change in the cycle period of an oscillation induced by a perturbation as a function of the phase at which it is received. PRCs are used in various fields; examples of biological oscillations …   Wikipedia

• Phase problem — The phase problem is the name given to the problem of loss of information (the phase) from a physical measurement. The name itself comes from the field of x ray crystallography, where the phase problem has to be solved for the determination of a… …   Wikipedia

• Phase-locked loop — PLL redirects here. For other uses, see PLL (disambiguation). A phase locked loop or phase lock loop (PLL) is a control system that generates an output signal whose phase is related to the phase of an input reference signal. It is an electronic… …   Wikipedia

• Phase correlation — In image processing, phase correlation is a fast frequency domain approach to estimate the relative translative movement between two images. Method Given two input images g a and g b:Apply a window function (e.g., a Hamming window) on both images …   Wikipedia

• Minimum phase — In control theory and signal processing, a linear, time invariant system is said to be minimum phase if the system and its inverse are causal and stable.[1][2] For example, a discrete time system with rational transfer function H(z) can only… …   Wikipedia

• Self-phase modulation — (SPM) is a nonlinear optical effect of light matter interaction.An ultrashort pulse of light, when travelling in a medium, will induce a varying refractive index of the medium due to the optical Kerr effect. This variation in refractive index… …   Wikipedia

• High German consonant shift — High German subdivides into Upper German (green) and Central German (blue), and is distinguished from Low German (yellow) and Dutch. The main isoglosses, the Benrath and Speyer lines, are marked in black. In historical linguistics, the High… …   Wikipedia

• Angel Phase — The Angel Phase describes a 300 400 year cultural manifestation of the Mississippian culture of the central portions of the United States of America, as defined in the discipline of archaeology. Angel Phase archaeological sites date from c. 1050… …   Wikipedia

• Planetary Phase of Civilization — TOCrightThe Planetary Phase of Civilization is a concept defined by the Global Scenario Group (GSG), an environmental organization that specializes in scenario analysis and forecasting. Proponents of the Planetary Phase of Civilization state that …   Wikipedia

• Time-frequency analysis — is a body of techniques for characterizing and manipulating signals whose component frequencies vary in time, such as transient signals.Whereas the technique of the Fourier transform can be used to obtain the frequency spectrum of a signal whose… …   Wikipedia