【摘要】 介绍了一种光学标记读入机(OMR)系统的设计,内容包括:红外测量头、传感器接口通道,OMR处理机的设计,读表操作以及预处理机软件等。该系统的电路部分已成功地应用于J校教务处各种表格的处理,误码率在0.2％以下。更多还原

【Abstract】 A design of optical mark reading (OMR) system is introduced. The contents of the design embrace. infrared sensor, interface channel of transducers, design of OMR processor, table reading operation and preprocessor software ect. The circuits part of the system is applied to processing various tables of the Dean’s Office of J University successfully, the bit error rate is less than 0.2%.更多还原