It USES PC to transform Chinese character interior code in the sentence to dot matrix display data and send them to LED display screen through serial device.
利用pc机将汉字语句汉字内码转换为点阵显示数据，通过串行口送给显示屏。
The LED(light-emitting diode) dot matrix screen is constitute of computer, data transfer unit and display unit.
大型LED（发光二极管）显示屏由计算机、数据转换单元与显示单元组成。
Effects of the dot matrix scanning mode on the image data mapping within the display volume space, and on the attributes of voxels are analyzed in detail.
深入分析了点阵扫描模式对图像数据在显示空间的映射处理及体像素的影响。
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