Noise measuring system in semiconductor laser which personal computer works as host controller is presented. By using personal computer controlled spectrum analyzer, noise signal of semiconductor laser is collected and processed automatically. 以PC机为主控单元,研制了半导体激光器噪声测试系统,通过PC机对频谱分析仪的远程控制,完成对器件噪声信号的自动采集和处理。
The top and down device distributed control system made up of personal computer ( PC ) and singlechip is a sort of familiar industrial control systems, which combine together real-time data collection and controlled by singlechip and data processing and graphic demonstration by PC. PC机与单片机构成的上、下位机分布式控制系统是一种常见的工业控制系统,它结合了单片机对实时数据采集、控制以及PC机对图形显示、数据处理的优点。
This project that used indus - trial personal computer, PCI-1720, PCL-836 card, servo driver, servo motor to constitute a half closed loop servo-control system, so vibration of driver's chair is real-time controlled. 通过工控机、PCI-1720卡、PCL-836卡、伺服驱动器、伺服电机、电动缸等形成半闭环伺服控制系统,实现对驾驶员座椅的振动控制。
Mutual information between personal computer and the scene signal transferred through the multi-function data collecting car. Then, the calibration system implemented the data acquisition, display and storage, as well as controlled the executive machine. PC机和现场信号通过多功能数据采集卡交互信息,实现了标定系统的数据采集、显示和存储以及对执行机构的控制。