| principal |
the original amount of a debt on which interest is calculated the educator who has executive authority for a school; "she sent unruly pupils to see the principal" star: an actor who plays a principal role capital as contrasted with the income derived from it the major party to a financial transaction at a stock exchange; buys and sells for his own account chief(a): most important element; "the chief aim of living"; "the main doors were of solid glass"; "the principal rivers of America"; "the principal example"; "policemen were primary targets"
출처: wordnet.princeton.edu/perl/webwn
|
|---|---|
| principal axis |
a line that passes through the center of curvature of a lens so that light is neither reflected nor refracted
출처: wordnet.princeton.edu/perl/webwn
|
| principal axis |
In mathematics, particularly linear algebra and functional analysis, the spectral theorem is a collection of results about linear operators or about matrices. In broad terms the spectral theorem provides conditions under which an operator or a matrix can be diagonalized (that is, represented as a diagonal matrix in some basis). ...
출처: en.wikipedia.org/wiki/Principal_axis
|
| principal plane |
(Also called sun's meridian or sun's vertical.) In clear-sky optics, the vertical plane defined by sun, zenith, and observer. The clear daytime sky's radiance, polarization, and chromaticity patterns are largely symmetric about the principal plane.
출처: amsglossary.allenpress.com/glossary/browse
|
| principal point |
The point on the earth where a satellite sensor is focused at any time during its orbit. If the sensor vertical axis is perpendicular to the earth's surface, the principal point coincides with the subpoint. 2. A term used in remote sensing; the point where the optical axis intersects the principal plane.
출처: amsglossary.allenpress.com/glossary/browse
|