The paper introduced an extended LED lattice board experiment on the experiment case of the single chip computer and the principle of frame scanning,line scanning and character moving on LED lattice board.
介绍在单片机实验箱上扩展LED点阵板实验及在LED点阵板上进行帧扫描和行扫描的工作原理以及字符移动显示的原理。
vertical interval test signal
帧扫描期插入测试信号
frame time base
图象扫描电路, 帧时基
frame suppression period
帧(扫描回程)熄灭时间
In television, 2:1 interlace is used, giving two vertical scans(fields) per frame; one field scans odd lines, and one field scans the even lines of the frame.
电视中使用2：1的交错率，即每帧分两场，垂直扫描两次，一场扫描奇数行，另一场扫描偶数行。
Analog sweep
模拟式扫描(连续式扫描)
Digital sweep
数字式扫描(量化式扫描)
sweep optical square
平面扫描仪;扫描式光学直角头;扫描直角转光器
electronic (scanning) television
电子(扫描式)电视
eliptical time base
椭圆时基(扫描)线
mirror (scanning) wheel
镜鼓, 镜(扫描)轮
Done scanning side 1. Turn over pages and scan side 2.
扫描完第1面。翻转页面，扫描第2面。
No compatible scanner found. Please install a scanner.
未找到兼容的扫描仪。请安装扫描仪。
The scanning attempt failed. Please check your scanner's settings and connection.
扫描失败。请检查扫描仪设置和连接。
Scanner is not ready. Check the scanner and the options.
扫描仪尚未就绪。请检查扫描仪和选项。
Show scanner driver dialog before scanning
在扫描前显示扫描仪驱动程序对话框
Place more pages on scanner and continue scanning side 1.
在扫描仪上放置多页，继续扫描第1面。
Using a new scanner to check this new brooder.
利用新的扫描器来扫描这尾新种鱼。
Scanner is not available. Check the scanner connection status.
扫描仪不可用。请检查扫描仪连接状态。