英语词汇“raster pattern”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

1. Chiefly Electronics. A usually rectangular pattern of parallel lines forming or corresponding to the display of a television screen, computer monitor, etc. Frequently attributive, esp. in raster pattern.A raster almost always corresponds to two orthogonal grids thus forming an image made up of a pattern of dots rather than lines.

ΘΚΠ

the world > space > relative position > state or position of being parallel > [noun] > pattern of

raster1934

1934 L. H. Bedford & O. S. Puckle in Jrnl. Inst. Electr. Engineers 75 64 The path of the spot must, so to speak, be mapped out beforehand into a suitable line raster, which is of such a size and shape as to allow the real image of the spot to explore the whole of one picture.

1940 Jrnl. Royal Aeronaut. Soc. 44 103 It is claimed that the electron Raster microscope overcomes these difficulties. The principle of the microscope is as follows:—A thin electron beam is made to scan the object in a ‘Raster’ as in television.

1952 Electronic Engin. 24 166/1 If a raster composed of horizontal scanning lines is further divided into the appropriate number of vertical lines, each line will become broken up into dots.

1973 Sci. Amer. Oct. 73/1 The spectroheliograms were made by holding the diffraction grating at one angle, so that only a single wavelength fell on the photomultiplier. The solar image was then scanned in a raster pattern to build up a picture of the sun in that one wavelength.

1991 P. M. Mather Computer Applic. in Geogr. 216 Some computer systems use raster graphics which generally have a lower resolution than the more expensive vector graphics.

2006 Pittsburgh (Pa.) Post-Gaz. (Nexis) 11 Nov. a10 These projectors are a far cry from the ones we're used to seeing in conference rooms, which usually have a very visible ‘raster’, or grid pattern of pixels.

单词	raster pattern
释义	> as lemmas raster pattern 1. Chiefly Electronics. A usually rectangular pattern of parallel lines forming or corresponding to the display of a television screen, computer monitor, etc. Frequently attributive, esp. in raster pattern.A raster almost always corresponds to two orthogonal grids thus forming an image made up of a pattern of dots rather than lines. ΘΚΠ the world > space > relative position > state or position of being parallel > [noun] > pattern of raster1934 1934 L. H. Bedford & O. S. Puckle in Jrnl. Inst. Electr. Engineers 75 64 The path of the spot must, so to speak, be mapped out beforehand into a suitable line raster, which is of such a size and shape as to allow the real image of the spot to explore the whole of one picture. 1940 Jrnl. Royal Aeronaut. Soc. 44 103 It is claimed that the electron Raster microscope overcomes these difficulties. The principle of the microscope is as follows:—A thin electron beam is made to scan the object in a ‘Raster’ as in television. 1952 Electronic Engin. 24 166/1 If a raster composed of horizontal scanning lines is further divided into the appropriate number of vertical lines, each line will become broken up into dots. 1973 Sci. Amer. Oct. 73/1 The spectroheliograms were made by holding the diffraction grating at one angle, so that only a single wavelength fell on the photomultiplier. The solar image was then scanned in a raster pattern to build up a picture of the sun in that one wavelength. 1991 P. M. Mather Computer Applic. in Geogr. 216 Some computer systems use raster graphics which generally have a lower resolution than the more expensive vector graphics. 2006 Pittsburgh (Pa.) Post-Gaz. (Nexis) 11 Nov. a10 These projectors are a far cry from the ones we're used to seeing in conference rooms, which usually have a very visible ‘raster’, or grid pattern of pixels. extracted from rastern.² < as lemmas
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> as lemmas