- phase wavelength
- 相波长
English-Chinese dictionary of mechanical engineering (英汉机械工程大词典). 2013.
phase wavelength
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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-Comparison Monopulse — Phase interferometry describes a technique that can be used in radar and direction finding applications to accurately estimate the direction of arrival of a signal from the phase difference of the signal measured on two (or more) separated… … Wikipedia
Phase congruency — is a measure of feature significance in computer images, a method of edge detection that is particularly robust against changes in illumination and contrast.FoundationsPhase congruency reflects the behaviour of the image in the frequency domain.… … Wikipedia
wavelength — or wave length [wāv′leŋkth΄] n. 1. Physics the distance measured in the direction of a wave from any given point to the next point in the same phase, as from crest to crest 2. Informal a way of thinking, understanding, etc.: chiefly in the phrase … English World dictionary
Wavelength-division multiplexing — For the radio station, see DWDM FM. Multiplex techniques Circuit mode (constant bandwidth) TDM · FDM · SDM Polarization multiplexing Spatial m … Wikipedia
wavelength — /wayv lengkth , length , lenth /, n. 1. Physics. the distance, measured in the direction of propagation of a wave, between two successive points in the wave that are characterized by the same phase of oscillation. 2. on the same wavelength, in… … Universalium
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 margin — In electronic amplifiers, phase margin is the difference, measured in degrees, between the phase of the amplifier s output signal and 360°. In feedback amplifiers, the phase margin is measured at the frequency at which the open loop voltage gain… … Wikipedia
Phase velocity — periodic gravity waves on the surface of deep water. The red dot moves with the phase velocity, and is located at a fixed wave phase: the crest for the case shown.The phase velocity (or phase speed) of a wave is the rate at which the phase of the … 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
wavelength — /ˈweɪvlɛŋθ / (say wayvlength) noun 1. Physics the distance, measured in the direction of propagation of a wave, between two successive points that are characterised by the same phase of vibration. 2. Radio the wavelength (def. 1) of the carrier… …
