查询词典 data acquisition

A dynamic monitoring and identifying system of Fe2O3 series gas sensors for the research of electronic nose is introduced. The system has 6 channels to input 0~2.5V voltage signals, measures system temperature, makes thermoregulation for sensor with hardware and has LCD screen and voice function. The heating circuit using TL494 chip and PWM mode is realized. Offline and online identification is realized. The hardware design is based on 16 bits MSP430F149 microcontroller. The software design for digital acquisition and identification based on Windows operating system is compiled by Visual Basic 6.0. The test results show that friendly interface, simple operation, accurate data, reliability and stability are obtained. The real-time monitoring for all of the sensors in aerometry or identification can be realized by BP ANN.

介绍了一种用于电子鼻研究的Fe2O3系列气敏传感器阵列动态测试、控制和识别系统；该系统能够同时采集6路0~2.5V的模拟电压信号，测量系统温度、硬件对传感器进行温度补偿，同时具有液晶显示和语音功能；加热电路用TL494芯片采用PWM方式实现，能实现脱机和联机两种不同的识别模式；以16位单片机MSP430F149为核心设计了硬件系统，用Visual Basic 6.0设计了基于Windows操作系统下的数据采集与模式识别软件；该软件界面友好，操作简单，数据结果准确，运行可靠、稳定，既可以长时间实时显示各传感器的全部动态响应过程，又可以用BP神经网络进行模式识别。

The far-field wavelet of airgun array is the important criteria for evaluating airgun array,and also is one of the important parameters for seismic data processing after acquisition.

气枪阵列的远场子波是考察气枪阵列优劣的重要指标，同时气枪阵列远场子波也是后续地震资料处理的重要参数之一[1]。

It introduces the operating principles and realization methods of image acquisition,data transition,sequential control and data deserializing modules.

详细介绍了图像采集、数据传输、时序控制和数据解串等模块的工作原理及实现方法。

The image is captured by a PTZ camera and the sound data is acquired by digital microphone array signal acquisition system to get multi-channels sound data.

影像资讯透过PTZ摄影机撷取，而声音撷取则使用实验室开发的数位式麦克风阵列讯号撷取系统以撷取多通道声音资讯。

At the early 1980s, is an effective mathematic tool to deal with the uncertain or fuzzy knowledge. Rough rule theory has been widely used in information retrieval, digital library, software engineering and knowledge discovery. Its main idea includes acquisition of rough decision rules by reduction of data under the condition of keeping an invariability of classification capacity. And it basically represents a concept by a pair of approximation sets according to the partition on the given data based on the indiscernibility relation. Rough sets theory is well suited to deal with inconsistency of the rough approximations. So it is a new mathematical tool dealing with vagueness and uncertainty, and has found its applications in many areas such as AI, KDD, pattern recognition and classification and fault diagnosis.

主要完成了以下几个方面的工作：(1)对于高速移动机器人车道线跟踪问题中的规则知识获取，首先阐述了模糊逻辑系统的基本特点、工作原理和基本作法，分析了模糊规则知识获取过于依赖专家经验知识、对于每一个细节几乎都需要人工主观经验的参与、难以处理大数据集样本等方面的不足，进而阐述了粗糙集合理论的基本特点、基于粗糙集合理论的规则获取的关键技术和工作原理，为后续章节中经典粗糙集合模型的扩展及粗糙决策规则集的性能分析做好基础；(2)在经典粗糙集理论及其一般扩展的可变精度粗糙集VPRS的基础上，提出了非均匀可变精度粗糙集模型k-VPRS。

In the traditional traffic information acquisition system based on the GPSequipped floating vehicle, the data utilization efficiency as well as the efficiency of development and operation are low due to the dispersed and nonstandardized data store mode of the system.

目前运用GPS浮动车采集交通信息的实践中，由于系统数据存储模式的分散和不规范造成的系统数据利用效率较低、开发和运行效率不高。

Practice shows that the node can realize the acquisition and wireless transmission of sensor data, and the definition and application of TEDS data.

实践证明，该节点实现传感器数据的采集与无线传输，以及TEDS数据的定义与应用。

Finally, the thesis defines the steps of implementing data mining, cognizes and summarizes the problems existed, and validates the feasibility that data mining can be used in the customer knowledge management, through a practice of excavation cluster analysis in a case of Grand Hotel client knowledge acquisition.

最后，通过在军山大酒店的客户知识获取应用实例中挖掘聚类分析的实践，明确了在客户知识实施数据挖掘的步骤，认识和总结出实践中出现问题，验证了数据挖掘方法在客户知识管理中运用的可行性。

The acquisition and post-processing of the spectrum data:all the scannings are compeleted by the MRI of GE Twinspeed 1.5 Ts scanner(GE Medical System, Milwaukee,USA) which has been tested for its data stability before the scannings begin.

波谱数据的采集和后处理：所有的扫描均采用1.5T超导MRI扫描仪(GEMedical System，Milwaukee，USA)完成，机器在扫描前进行数据稳定性的测试。

After the introduction of S750, only the standard linear design documents through the SD card or USB data cable into the S750, make lofting lines can accurately indicate the location of lines in the field, but also in the setting-out data interface Acquisition of high-precision.

在采用S750后，只需将标准的线型设计文件通过SD卡或USB数据线导入到S750中，进行线路放样，既可精确地指示出线路在实地的位置，还可在放样界面进行数据的高精度采集。

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。