| 单词 | raster scanning | 
| 释义 | > as lemmasraster scanning   raster scanning  n. chiefly Electronics the action or process of producing a raster scan; frequently attributive. ΚΠ 1951    Proc. IRE 39 1218  				In the method investigated in greatest detail, the raster scanning lines are parallel to the phosphor strips. 1969    D. K. Barton  & H. R. Ward Handbk. Radar Measurem. viii. 227  				Raster-scanning pencil beams. These radars can be analyzed as search radars or sequential-processing trackers in both angular coordinates. 2001    L. Tetley  & D. M. Calcutt Electronic Navigat. Syst. 		(ed. 3)	 vii. 238  				The United Kingdom Hydrographic Office..started the raster scanning of its Admiralty charts in 1994. < as lemmas  | 
	
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