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Coherence time
| Glossary Of Laser Terminology |
A measure of temporal coherence, expressed as the time over which the field correlation decays
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Coherence, английский
- Соответствие; согласованность
- Lasers and leds emit coherent light waves that are in phase with one another. describes properties of the correlation between a single wave, or between several waves or wave packets. when interfering, two waves can add together to create a wave of greater amplitude than either one (constructive interference) or subtract from one another to create a wave of lesser amplitude than either one (destructive interference)
- A property of electromagnetic waves which are in phase in both time and space. coherent light has monochromaticity and low beam divergence, and can be concentrated to high power densities. coherence is needed for interference processes like holography.
- The alignment between light wave wavelength and the position of that wave in its oscillation cycle. when the crests and troughs of several light waves are in alignment, they are coherent. collimated light
- A fixed phase relationship between the electric field values at different locations or at different times
- И coherency
Coherence area, английский
Coherence du sol, французский
Coherence effect, английский
Coherence extender, английский
Coherence length, английский
- A measure of temporal coherence, expressed as the propagation distance over which the coherence significantly decays
- That length over which energy in two separate waves remains constant. with respect to a laser, the greatest distance between two arms of an interferometric system for which suficient interferometric effects can be obtained.
Coherence length extension, английский
Coherence theory, английский
Coherence, epidemiologic, английский
Time, английский
- The system of those sequential relations that any event has to any other, as past, present, or future; indefinite and continuous duration regarded as that in which events succeed one another
- Measurement^ unit прибор измерения времени
- Срок; время; продолжительность
- Time limits or periods stated in the contract. a provision in a construction contract that “time is of the essence of the contract” signifies that the parties consider that punctual performance within the time limits or periods in the contract is a vital part of the performance and that failure to perform on time is a breach for which the injured party is entitled to damages in the amount of loss sustained, or is excused from any obligation of further performance, or both. time and materials (t&m) the time and total cost of all materials required to complete a construction job; often used where the cost of the job is otherwise difficult to estimate. time-delay fuse any fuse in an electric circuit that takes more than 12 seconds to open at a 200% load.
- N время adverb, bulge timeline n псхл. линия времени6 titlo n титло7
- Tears in my eyes
- Слезы в моих глазах
Time, английский
Time, английский
Time, английский
Time, английский
Time & expenses, английский
The business subcategory containing apps to help businesses keep track of how much time and money are spent on various projects or accounts.
Time (and) distance (to go), английский
-время полета и расстояние до заданного пункта маршрута
Time -, английский
Расписание; временной график
Time acceleration factor, английский
Time accounts, английский
Financial deposits that earn interest but that require a period of notice prior to withdrawal.
Time after which legal claims will not be entered, английский
Correlation, английский
- A measure of linear association between two (ordered) lists. two variables can be strongly correlated without having any causal relationship, and two variables can have a causal relationship and yet be uncorrelated.
- Соотношение; корреляция
- N корреляция, соответ- ствие regular ~s закономерные соответствия
- Корреляция
- Correlation is a statistical measure of the association between two attributes or types of events. it typically ranges from -1 to 1, with a -1 indicating a complete negative association (e.g., if one type of event occurs the other cannot), and a +1 indicating a complete posipage 66 tive association. for continuous attributes, the pearson correlation coefficient is computed as the ratio of the covariance between two attributes to the product of the attributes` standard errors. see also: covariance.
- To correlate, in a stratigraphic sense, is to show correspondence in character and in stratigraphic position between geographically separated stratigraphic sections or rock bodies. there are different kinds of correlation depending on the feature or property to be emphasized (see section 3.a.9 and lithocorrelation, biocorrelation, and chronocorrelation). coset. a sedimentary unit made up o f two or more sets, either o f strata or o f cross-strata, separated from other strata or cross-strata by original flat surfaces o f erosion, nondeposition, or abrupt change in character (mckee and weir, 1953, p. 384).
- Creating relationships between an email activity and other records by using the information from email headers.
- Statistical measure of the degree to which the movements of two variables (stock/option/convertible prices or returns) are related. see: correlation coefficient.
- The extent to which a relationship exists between two or more elements. often used in seo research to infer relationships of variables on search rankings due to the black box nature of algorithms. always remember, however, that correlation ≠ causation.
- A standardised measure, bounded between −1 and +1, of the strength of association between two variables.
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Q factor, английский
A measure of the damping of resonator modes
Coherence length, английский
- A measure of temporal coherence, expressed as the propagation distance over which the coherence significantly decays
- That length over which energy in two separate waves remains constant. with respect to a laser, the greatest distance between two arms of an interferometric system for which suficient interferometric effects can be obtained.
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