| 单词 | uv -plane |
| 释义 | uv -planeuv -plane(yoo-vee ) Unlike a conventional telescope, a radio interferometer cannot produce an image of the sky directly. Instead it measures the Fourier transform of the sky brightness distribution in a plane perpendicular to the direction of observation. A measurement on a particular baseline corresponds to a point on this plane with coordinates u and v , at a distance from the origin equal to the projected length of the baseline measured in wavelengths. The uv -plane is sometimes called the aperture plane, and a good coverage of points is essential for high-quality aperture synthesis mapping. |
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