- phase-shift method
- Нефть: метод фазовых сдвигов
Универсальный англо-русский словарь. Академик.ру. 2011.
phase-shift method
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Phase-shift keying — Passband modulation v · d · e Analog modulation AM · … Wikipedia
Phase shift — F/A/V The displacement of a waveform in time. Some electrical components introduce phase shift into a signal. When various frequencies are displaced differently, distortion occurs. Electrical cancellation may occur when two equal signals are out… … Audio and video glossary
Filtered symmetric differential phase-shift keying — In telecommunication, filtered symmetric differential phase shift keying (FSDPSK) is a method of encoding information for digital transmission in which:* A 0 bit is encoded as a +90° change in the carrier phase, and a 1 bit is encoded as a 90°… … Wikipedia
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
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 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
phase-lock — v. [trans.] Electronics fix the frequency of (an oscillator or a laser) relative to a stable oscillator of lower frequency by a method that utilizes a correction signal derived from the phase difference generated by any shift in the frequency … Useful english dictionary
Continuous phase modulation — Passband modulation v · d · e Analog modulation AM · … Wikipedia
Lattice phase equaliser — A lattice phase equaliser or lattice filter is an example of an all pass filter. That is, the attenuation of the filter is constant at all frequencies but the relative phase between input and output varies with frequency. The lattice filter… … Wikipedia
Differential phase — is a kind of linearity distortion which affects the color hue in TV broadcasting. Contents 1 Composite color video signal 2 The colorburst 3 Differential phase distortion … Wikipedia
Structured Light 3D Scanner — Principle Projecting a narrow band of light onto a three dimensionally shaped surface produces a line of illumination that appears distorted from other perspectives than that of the projector, and can be used for an exact geometric reconstruction … Wikipedia
