【摘要】 液晶光电图形发生器选用先进的液晶显示器件,在计算机的控制下可根据实际测量的需求产生出各种所需的目标图形。针对第一代光电图形发生器数据传输速度过慢等问题,研制了新一代基于DSP的光电图形发生器,采用通用异步接收/发送通信外设的接口方式,通过高性能DSP与FPGA进行图形传输,利用专用的液晶驱动芯片完成图形显示。结果表明,该装置提高了传统光学测量中对目标更换的效率和图形传输速度,实现了从目标到探测的全光电化测量。更多还原

【Abstract】 Photoelectric graphic producer,which adopt advanced photoelectric liquid crystal display,can produce many kinds of target graphics under computer control at any time as needed.In order to solve the problem of low speed of data transmitting using singlechip in the photoelectric graphic producer,a novel digital circuit board was developed based on digital signal processor,which communicated with computer through parallel interface,and utilized digital signal processor and field programmable gate array to transfer the image,and utilized special liquid crystal display drive chip to display graph.The device improved efficiency of changing the targets and realized intellectualized and photoelectric measurement.更多还原