“raster scanning”的概念、定义、翻译、参考文献-科学参考

raster scanning

Electronics and Electrical Engineering

1. A method of presenting images on the screen of a TV or VDU in which the electron beam of the cathode-ray tube is swept across the screen in a horizontal pattern from top to bottom. The pattern of scanning lines is called a raster. See also television.
2. A method of sweeping a radar antenna beam either horizontally or vertically. Scanning is achieved mechanically by moving the entire antenna, or electronically using an array of antennas, a combination of which is selected to produce the desired beam shape and direction.
3. See electron-beam lithography.

单词	raster scanning
释义	raster scanning Electronics and Electrical Engineering 1. A method of presenting images on the screen of a TV or VDU in which the electron beam of the cathode-ray tube is swept across the screen in a horizontal pattern from top to bottom. The pattern of scanning lines is called a raster. See also television. 2. A method of sweeping a radar antenna beam either horizontally or vertically. Scanning is achieved mechanically by moving the entire antenna, or electronically using an array of antennas, a combination of which is selected to produce the desired beam shape and direction. 3. See electron-beam lithography.
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