这一设计明显的缺点是所有的进程都能访问帧缓冲，所以很容易导致显示问题，而且在不同应用程序间的同步绘图十分困难。
The obvious disadvantage to this was that all processes had access to the frame buffer, so could corrupt the display easily and synchronizing drawing between applications was very difficult.
帧的局部经过位块传输后保存在缓冲区，最终在屏幕显示。 这种预转换通过帧间转换，对保持色彩状态十分重要。
This pre-conversion is critical for maintaining color state through transitions of different frames as their portions are blitted to the buffer and, eventually, the screen.
SDRAM作为雷达光栅显示视频帧缓冲存储器，通过FPGA器件实现对SDRAM的控制，已成功应用于一款雷达光栅显示终端。
This article introduces that in a new design of radar raster-displaying terminal, SDRAM is used as video frame memory and FPGA is adopted to carry out the process of control circuit.
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