| 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.
Ãâó: amsglossary.allenpress.com/glossary/browse
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| principal point |
The point at which lines drawn between opposing fiducials on an aerial photograph intersect. The center point of an aerial photograph.
Ãâó: www.geography.wisc.edu/sco/references/glossary.htm...
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