数据采集

March 7, 2010 - Data Translation released DT 9824 data acquisition module: The DT 9824 provides four galvanically isolated differential inputs with a dedicated 24-bit A/D converter for each channel.

2010年3月7日-数据转换公司推出DT 9824数据采集模块：DT 9824提供四个电流强大的独立差分输入和一个专门用于每个通道的24位A/D转换器。

In the field of oil/gas developing,Microseismic monitoring is mainly used in dynamic imaging for hydraulic fracturing in...

介绍了微地震监测方法的基本原理、数据采集方法和数据处理方法及应用实例，并对其应用效果和发展前景进行了分析

The holistic design of the system and resolved the designs of software and hardware based on VXI bus are put forward according to the demand of test system. The hardware and software is designed, including the formation and design of hardware system, visual instrument software architecture, program design for instrument driver, high speed real-time data collection. In the dynamic test program, the idea of"software is instrument"was applied to meet the diverse test demands. Last, it is proposed that the VXI test system be developed to more totalization and networked. The basic theory of system identification was introduced briefly at first. The principle of spectrum analysis system identification based on Wiener-Hopf equation was expatiated. and the questions in applying Peusdo Random signal as spectrum analysis methods stimulate signal was studied, The generation principle of the peusdo random signal is researched, the characteristic of peusdo random are analyzed from time domain and frequency domain, the inverse repeat peusdo random signal is brought forward to make up the shortage of ordinary peusdo random signal. And a new chaos genetic algorithmis presented to solve the unprecise problem of the traditional method. In the servo valve dynamic characteristic test system, the spectrum analysis methods was applied successfully, the servo valve dynamic characteristic could be acquired rapidly and exactly, the test results were analyzed and the ameliorate methods were brought forward at last.

结合航天某集团液压测试中心测试系统的需求，提出了基于VXI总线的液压测试系统的整体设计方案，完成了测试系统的硬件设计与软件设计，包括硬件系统构成与设计、虚拟仪器软件结构、仪器驱动程序设计、高速同步实时数据采集等内容；以伺服阀动态特性测试为例设计了测试模块，该模块体现了VXI总线仪器软件开发所倡导的&虚拟仪器&的思想，以软件的灵活应用满足了不同的测试需求；结合自动测试系统的发展，研究了VXI测试系统与网络技术结合，实现各种软硬件资源共享，进一步提高设备及数据的利用率和系统的扩展性，使自动测试向综合化、网络化方向发展；研究了伪随机信号作为谱分析法辨识的激励信号时存在的问题，讨论了伪随机信号的产生机理，从频域和时域分析了伪随机信号的性质及其应用，提出了用逆重复伪随机信号弥补了普通伪随机信号的不足，并以混沌遗传算法对逆重复伪随机信号产生过程中的参数进行优化，可以更合理而不是凭经验产生需要的逆重复伪随机信号。

Finally, adopting the real frame data, this paper debugs the control system using simulate method.

采用Matlab+LabVIEW编制了数据处理、数据采集、打标机控制等重要功能子模块的程序。

This thesis introduces the triturating of a data acquisition system.

本文结合&大型汽轮发电机组振动在线状态监测与故障诊断系统&这一课题，研制了一款数据采集系统，为前者提供汽轮发电机组的振动数据。

PMM2000 standard electric meter is set sensors, transmitters, data acquisition, display, remote, remote control, remote transmission of data in one of the all-power parameters of electronic monitoring instruments.

PMM2000标准型电力仪表是集传感器、变送器、数据采集、显示、遥信、遥控、远距离传输数据于一体的全电子式多功能电力参数监控仪表。

This paper mainly introduces the hardware and software design of the wireless sensor network node for environmental monitoring. The hardware includes the design of the data acquisition module, the data processing module and wireless communication module including on-board antenna, balun circuit and PCB design of the high-frequency circuit.

本文主要对环境监测无线传感器网络的节点的软硬件设计进行了介绍，硬件方面重点介绍了数据采集模块，数据处理模块的接口设计，无线通讯模块的板上天线设计、巴伦电路和高频电路设计要点。

Relation equation between blackbody temperature and two color gray ratio of thermal radiation image was set up.

3进行激光熔池测温专用软件需求和可行性分析，描述了激光熔池热辐射图像的数据流程，采用模块化思想进行软件设计，基于数字图像处理技术，开发出一套激光再制造熔池测温专用软件，详细介绍了热辐射图像的数据采集、输入/输出、图像处理、温度计算模块及程序设计开发。4介绍了常用黑体辐射源的结构、加热控温方式和性能评价方式，对不同类型的黑体辐射源进行了详细描述，选择中国计量科学研究院的标准高温黑体辐射源进行温度标定，建立了热辐射图像比色值与温度之间的对应关系。

This paper develops a kind of quality control and data acquisition system which can feed the numerical value measured by the digital display dial gauge into the computer directly.

本文开发了一个微机数据采集与质量控制系统，可以将数显测微仪测量的数据直接送入计算机。

This system can be widely used in apparat us which needs high-speed data acquisition and high-speed signal processing.

本系统具有较强的通用性，可以应用于各种需要高速数据采集与高速数据处理的仪器中。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。