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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。
LCD photoelectric graphic generator selection of advanced liquid crystal display devices, under the control of the computer according to the actual measurement needs to produce a variety of required target graphics. Aimed at the problem of the slow transmission speed of the first-generation photo-electric generator, a new generation of DSP-based photo-electric generator was developed. The universal asynchronous receiver / transmitter , Using a dedicated LCD driver chip to complete the graphical display. The results show that the device improves the efficiency of target replacement and the speed of image transmission in the traditional optical measurement, and realizes all-photoelectrical measurement from target to detection.