| 释义 |
coudé, a.|kude|
[Fr., pa. pple. of couder to bend at right angles, f. coude elbow, f. L. cubitum cubit.]
Of, pertaining to, or designating a telescope or part of a telescope in which rays are bent to focus at a fixed point away from the axis of the telescope. Also as n.
1888Encycl. Brit. XXIII. 153/1 The present writer tested the equatorial coudé on double stars at the Paris observatory in 1884. 1922Nature 16 Mar. 362/2 A coudée telescope designed for the application of the method of equal heights. 1946Ibid. 23 Nov. 764/2 The stellar spectra obtained at the coudé focus of the 100-in. telescope. 1951Engineering 9 Mar. 298/1 Design to permit coudé spectroscopy. 1959Spitz & Gaynor Dict. Astr. 106 Coudé focus, an arrangement, used only on the largest reflecting telescopes, by which the focal length is greatly increased, and making it possible to have the spectrograph or the camera not attached to the telescope but in a separate room. |