In the construction of the Practical course of science and technologyfor undergraduates,a comprehensive experiment of the barcode recognition based on the linear CCD(charge-coupled device)is designed and developed.The improvement of the measuring equipment of the barcode recognition based on the linear array CCD and the design of a series of exploratory experiments are carried out.An easy approach to decode the barcode is proposed,the content of the research-oriented experiment is expanded,and the comprehen...