This paper discusses in detail some problems about scanning sound intensify mearusing system of the pc machine from perspectives of both hardware and software . it puts emphasis on analyzing and working out problem of multicenter data sampling in phase fifo amortize arbitrarness waveform generator this paper makes a deep discussion on the computer exteral interface technology which is developing in high speed . it analyses scanning sound intensify mearusing system interface technology on the basis of isa pci , and introduce the promising idea about designing mearusing system of scanning sound intensity by using usb interface 本文针对快速发展的计算机外部接口技术进行了较深入的探讨,分析了基于isa总线、 pci局部总线的扫描声强测试系统接口技术,并提出采用usb接口的声强数据采集与处理系统的设计思想,同时对windows底层进行了详尽的分析,采用vtoolsd 、 vc + + 、 ddk编制的扫描声强测试系统驱动程序,运行在系统核心( 0级环) ,并能与windows很好的协作运行,既能体现windows的多任务操作系统的特点,又保证了数据可靠、实时的采集。
In this paper , some characteristic parameters of several kinds of optical fibers are studied . it is confirmed by testing that the self - made liquid - core optical fiber ( lcof ) can be used as a sensor ’ s sensitive unit . moreover , dsp - based software and hardware , which is used in the optical fiber load bearing experiment , is designed for the sake of real - time data processing 另外,为使测量的后续数据记录处理实时化,创造性采用数字信号处理( dsp )技术实现数据采集与处理,即基于dsp技术设计相应的软硬件,实时观察光纤传输的光强大小,并将其应用于光纤的承载实验中。
In this experiment , the data collecting and processing are finished by computer . according to the experiment , two conclusions can be drawn : first , not only to laser sensor but to inductance sensor , it is a good method for measuring the wheelset geometric parameters when the wheelset are made in factory or tested in the last working procedure in vehicle depot 此外,本文进行了测量原理的试验研究:利用机床的xy平台移动测量头,同时调整其摆角,使传感器的测量方向与轮辋模板的被测局部表面垂直,完成整个扫描测量;试验中数据采集与处理由计算机完成。
The result of long - term operation shows that the computer control system is practical and effective , it can run in the optimal state within a long duration to fully realize data collection and process , remote data transmission and vfvs constant injection control of pumps . it speeds up the automatic procedures of the seawater treatment process , really realizes the unmanned working , decreases the physical intensity to a large extent , improves the management , enhances the management level , avoids equipment wear down as much as possible , makes the seawater treatment efficient and lessens the cost of production 长期的运行结果表明,该计算机控制系统的实施切实有效,既成功实现了对被检测参数的数据采集与处理、远传以及注水泵机组的变频调速恒压注水控制,又提高了系统的自动化程序,真正实现了无人值班作业,在很大程度上降低了工作人员的劳动强度,极大的改善了现场的管理状况,提高了生产管理水平,且有效避免了设备损耗,提高了水处理效率,降低了生产成本。
With the demand for high quality of electric energy is increasing , as the most immediate part to the consumer , distribution network ’ s efficient and reliable operation is very important as the result , new distribution automation equipment with high performance is inevitable prime machine system , as data collection and processing subsystem of dms , provides communication of kinds of information between control center and rtus it ’ s reliability , real ? time abilitv and stability affect the scada system directly to solve the disadvantage of the existing system , whose channels are dependent , a new proj ect of single board system is brought forward and its hardware and software are designed with high performance chip of communication , independence of channels is realized basic function of system is realized , and faster reposition and expansibility of the single chip is fully applied 配电自动化通信前置机作为dms主站系统的数据采集与处理子系统,提供监控中心与远方rtu之间各种可能信息的交换功能,其可靠性,实时性和稳定性直接影响scada系统的运行质量。本课题针对现有前置机各通信信道之间不相互独立、稳定性低的固有问题,提出一种新式单板前置机系统,并对其进行了软硬件设计,选用高性能专用通信处理芯片,实现各信道独立,并在实现前置机基本功能的基础上,充分发挥单片机相对于工控机的快速复位功能以及更好的可扩展性,实现了一个可靠、稳定、灵活的前置机系统。
与: take part in; participate in处理: deal or cope with数字数据采集与处理系统: ddaps digital data acquisition and processing system连续监测系统数据采集与处理: dahs一种数据采集与处理方法利用相同: te数据采集与控制: dac data acquisition and control数据收集与处理: data and processing数字资料采集与处理: digital data acquisition and processing数据采集与计算机系统: dacs data acquisition and computer system数据采集与监测控制系统: scada - supervisory control and data acquisition数据采集与监控系统: scada:supervisory control and data acquisition; supervisory control and data acquisition(scada)数据采集与控制系统: dacs data acquisition and control system数据采集与控制装置: dacu data acquisition and control unit数据采集与修正系统: dacs data acquisition and correction system数据采集与转换系统: dacs data acquisition and conversion system自动数据采集与控制系统: automated date acquisition and control system数据收集与处理系统: dacaps数据采集处理器: dadata acquisition processor数据采集和处理: dap数据采集和预处理: data acquisition and preprocessing模块化数据采集与控制子系统: modular data acquisition and control subsystem热过程的数据采集与自动控制: data col. & auto control in thermal process数据采集: acquisition, data; da data acquisition; dacq; data acquistion; data aquisition; data capture; data collection; data gathering; data logging数据采集板: data acquisition board数据采集架: dac data acquisition chassis