本文的研究内容是研制出适用于低频信号采集和实时处理的计算机扩展电路板，其应用对象是线性调频连续波雷达差拍信号的采集和实时处理。
The task of the design is to develop a computer extended circuit board, which is applied to the acquisition and processing of beat-signal in Linear FM-CW Radar(LFMCW).
主板是电脑中主要的电路板，其上安有处理器、内存和扩展槽，并直接或间接地与电脑各个部件相连。
Motherboard is the main computer circuit inside the PC, which holds the processor, memory and expansion slots, and connects directly or indirectly to every part of the PC.
本文讨论了边界扫描技术在样机电路板调试中的应用以及扩展到产品板制造、系统集成和现场服务等方面应用的技术问题。
This paper discussed the application of boundary-scan technology to prototype board debugging and the problems of extension to volume board manufacturing, system integration, and field service.
伺服力量和控制线寻址横跨扩展倒栽跳水提供另外的供给动力的选择和另外的伺服口岸当扩充电路板被安装。
The servo power and control lines are routed across the expansion header to provide additional powering options and additional servo ports when the expansion board is installed.
取下前面板，可利用印刷电路板上和各种开关(端子)及调节器，进行各种机能的扩展。
Removing the front panel, printed circuit board and the use of various switching (port) and the regulator in a variety of functional expansion.
取下前面板，可利用印刷电路板上和各种开关(端子)及调节器，进行各种机能的扩展。
Removing the front panel, printed circuit board and the use of various switching (port) and the regulator in a variety of functional expansion.
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