Directional component analysis (DCA) is a statistical method used in climate science for identifying representative patterns of variability in space-time...
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Principal component analysis (PCA) is a linear dimensionality reduction technique with applications in exploratory data analysis, visualization and data...
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amplifier Direct coupling analysis, a method for analyzing sequence data in computational biology Directional component analysis, a multivariate statistical...
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analyze climate ensembles, such as Principal component analysis, Anova and Directional component analysis. Ensemble forecasting Ensemble (fluid mechanics)...
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and vehicle dynamics. It uses bi-directional delay lines (or transmission line elements) to connect different components. The development on Hopsan first...
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parameter space. By utilizing the concepts of directional variograms and covariograms, variogram analysis of response surfaces (VARS) addresses this weakness...
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Spatial relation (section Directional relations)
DE-9IM: Directional relations can again be differentiated into external directional relations and internal directional relations. An internal directional relation...
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In finance, technical analysis is an analysis methodology for analysing and forecasting the direction of prices through the study of past market data...
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Direction cosine (redirect from Directional cosine)
In analytic geometry, the direction cosines (or directional cosines) of a vector are the cosines of the angles between the vector and the three positive...
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Radiation pattern (redirect from Directional response pattern)
radiation pattern (or antenna pattern or far-field pattern) refers to the directional (angular) dependence of the strength of the radio waves from the antenna...
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have had little impact on the use of bloodstain analysis in courts. Blood is composed of three components suspended in plasma: erythrocytes (red blood cells)...
41 KB (5,170 words) - 19:28, 22 May 2025
movable control surfaces, that provides longitudinal (pitch) and/or directional (yaw) stability and control. A stabilizer can feature a fixed or adjustable...
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filter bank is called analysis (meaning analysis of the signal in terms of its components in each sub-band); the output of analysis is referred to as a...
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scalar quantity, defined as the surface integral of the perpendicular component of a vector field over a surface. The word flux comes from Latin: fluxus...
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AudioQuest sells Ethernet cables that they claim are directional, even though the concept of directional Ethernet cable goes against the Ethernet standard...
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(Principal Component Analysis), the Chi-Square distance (Correspondence Analysis) or the Generalized Mahalanobis distance (Discriminant Analysis) are among...
62 KB (9,958 words) - 19:09, 5 June 2025
gradient is the rate of increase in that direction, the greatest absolute directional derivative. Further, a point where the gradient is the zero vector is...
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Hydraulic machinery (section Components)
compensators in the directional valves. Hydraulically controlled LS pump. Load sensing with up-stream compensator for each connected directional valve. Hydraulically...
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malfunction. Software may lack proper support for reading or writing bi-directional text. Software may display images with text that was not localized. Localized...
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Von Mises–Fisher distribution (category Directional statistics)
In directional statistics, the von Mises–Fisher distribution (named after Richard von Mises and Ronald Fisher), is a probability distribution on the (...
30 KB (5,089 words) - 21:12, 19 June 2025
derivative makes a choice for taking directional derivatives of vector fields along curves. This extends the directional derivative of scalar functions to...
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Partial discharge (redirect from Partial discharge analysis)
antenna mounted on insulating spacers in the surrounding metalwork. Directional Coupler detection picks up the signals emanating from a partial discharge...
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Partial derivative (section Directional derivative)
+\left[{\frac {\partial }{\partial x_{n}}}\right]{\hat {\mathbf {e} }}_{n}} The directional derivative of a scalar function f ( x ) = f ( x 1 , x 2 , … , x n ) {\displaystyle...
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preferentially in a particular direction (directional, or high-gain, or "beam" antennas). An antenna may include components not connected to the transmitter,...
83 KB (10,949 words) - 22:44, 29 April 2025
Circuits built from these components include filters, power dividers, directional couplers, and circulators. Distributed-element circuits were studied...
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Waveguide filter (redirect from Directional filters)
than to filter signals. Such devices include impedance matching components, directional couplers, and diplexers. These devices frequently take on the form...
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Tensor (section Component-free notation)
contravariant components, which are known as tensor fields in the modern sense. In the 20th century, the subject came to be known as tensor analysis, and achieved...
69 KB (9,357 words) - 21:25, 18 June 2025
Shading (section Directional lighting)
amount of ambient light it can reflect. This produces diffused, non-directional lighting throughout the scene, casting no clear shadows, but with enclosed...
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system "keeping it parallel" amounts to keeping the components constant. This ordinary directional derivative on Euclidean space is the first example of...
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Partial least squares — statistical techniques similar to principal components analysis Non-linear iterative partial least squares (NIPLS) Mathematical programming...
70 KB (8,327 words) - 09:12, 7 June 2025