由数据采集卡收集到得现场信号，经过所设计的频谱分析仪对采集到的数字信号进行分析。
When the data acquired in DAQ is analyzed in the designed spectrum analyzer, the result demonstrates the accuracy and the flexibility of the system.
现场监控器由数据采集卡和网络通讯卡组成，现场控制卡负责接收监控中心发出的控制命令，它们都是由一块51单片机控制，其软件开发都是使用了C51和51汇编程序。
Local controller card take charge of incepting the control command from monitoring center. They are all controlled by singlechips, C51 and 51 assemble were used to develop the controlling software.
以此为理论基础，组建了由传感器、数据采集卡、虚拟仪器软件以及计算机等组成的放电检测系统。
With which as the theory base, the discharge auto detecting system made of sensors, data acquisition card, virtual instrument software and computer was established.
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