数字数据

Experimental accuracy and repetition of FBG temperature sensitivity and compensation were discussed.have selected several materials which has bigger coefficient of expansion to do packaging components, have made many temperature experiments, there have not flaws, such as aging, crackle, absciss layer, packaging materials have good temperature sensitivity and compatibility with optical fiber;have designed the simple and practical packaging components, have performed a serials of experiments about accuracy and repetition of FBG wave-length, have obtained the first step conclusion;have analyzed the result and made comparison between the result of different experiment, have summarized the best packaging effect and several rules to reduce mistskes.

本文所做的主要工作包括以下几个内容：一、选取了常见的热膨胀系数大的材料制作封装元件，经过多次一80℃到80℃反复测试，封装元件没有出现老化开裂、封装裂纹、空洞、离层等缺陷，封装材料具有良好的温敏稳定性及复用性，与光纤相容性较好；二、对光纤光栅进行简单、实用的封装处理，就封装效果的优劣性、波长测量的准确度、重复性和封装时产生的波长损失等方面进行了一系列的实验，得出了初步的结论；三、对温敏和温度补偿式封装的实验数据进行了详细的分析和对比，从数字上对温变过程中光纤光栅中心波长的改变及温变曲线进行了定量的分析，在大量实验数据分析结果的基础上，总结出哪种材料封装效果更好，以及如何有效的减小实验误差。

Meanwhile, the part of software has realized the function of the alternating electricity parameter analysis, the directing electricity parameter analysis and the demonstration, which is taking the sampled data in a sampling cycle as the examination object, and carrying on the analysis with the digital signal processing technology to the sampling data, and then programming with single chip.

软件部分则是以一周期内采集的数据为检测对象，用数字信号处理技术对采样的数据进行分析，用单片机进行编程，实现交流电参量和直流电参量分析及显示功能。

In addition to four nmerac place position,there are three zone bit positions in a 7-bit code,and four zone bit in an 8-bit code.The 7-bit American Standard Code for Information Interchange is widelu used in data communication work and is bu far the most popular code used to represent data internally in personal computers.

除了4位数字位之外，在7位编码中有3个标志位，而在8位编码中则有4个标志位。7位美国信息交换标准代码广泛地用于数据通信，而且是目前个人计算机内部数据表示中最为流行的代码。

Single or multi channel data logging device with either 1, 4 or 8 analogue inputs, graphics display capable of displaying numeric or graphical representations on data on a 128 by 64 point backlit display.

单一或多个通道数据记录装置，可以1， 4或8模拟输入，图形显示能显示数字或图形表示的数据， 128 64点背光显示屏。

This paper proposes an integrated processing method of mid-value digitalfittering and recursive digital filtering to solve the disturbance problem duringtelemeasurement and data acquisition in electric power system. The method is inferredand proved.

针对电力系统遥测数据在采集过程中的干扰问题，提出了中位值数字滤波与递归式数字滤波综合处理的软件方法，并对这种方法进行了推理与论证。

Secondly, the method to implement complex function with JSAI is analyzed. Then, resolved the problem of number-input by making number panel in virtual scene and resolved the problem of anamorphic dynamic undee graphics with the technology of multithreading and the method of making buffer at client.

其次，分析了使用JSAI接口实现复杂交互功能的方法；利用在虚拟场景中构建数字面板的方法解决了虚拟场景中数字输入问题；使用多线程技术和在客户端开辟缓冲区的方法解决了状态数据丢失及动态持续波形图失真的问题。

The authors analyzed the similarities and dissimilarities of data quantity, dimensions mark and cutting off of all kind of line type on CAD digital map, discussed the transferring methods with digital topographic map and CAD technique, automatic cutting profile and engineering quantity fast calculation with Visual Lisp were expounded here, too.

分析了在CAD绘制的数字地图中，常用的各种线型的数据量、尺寸标注、可切断性等异同点，论述了如何利用数字地形图和CAD技术对其进行转换，并用Visual Lisp编程自动切剖面，计算工程量。

This graduated design program, data collection ware produce is the only flat machine of 89 C51 that uses the company of ATMEL with AD0809 chip do a collection simulated voltage signal, conversion number word signal passes string mouth again by only flat machine to dispatch to the handling of personal computer, additionally, 3 number pipe LEDs show the digital information of collection.

本次毕业设计课题，数据采集器制作，是利用ATMEL公司的89C51单片机和AD0809芯片做一个采集模拟电压信号，转换为数字信号，再由单片机经过串口发送给PC机处理，另外三个数码管LED显示采集的数字信息。

In the process of designing the Digital Scan Converter of the B-mode ultrasound- tomography, there is a key technique that transforms the coordinate and interpolates the data. This research discusses a new algorithm used in the Digital Scan Converter called CORDIC.

在设计B 型超声诊断仪中数字扫描变换器的过程中，坐标变换和数据插补是关键的技术，本研究论述了应用在数字扫描变换器中的一种新的算法——CORDIC 算法。

Main courses: satellite geodesy, error theory and data processing, physical geodesy, space geodetic techniques and applications, imaging and mapping, navigation, celestial mechanics, photogrammetry, digital image processing, pattern recognition, radio communications and navigation , digital and analog circuits, such as optimal control.

主要课程：卫星大地测量学、误差理论与数据处理、物理大地测量、空间测地技术及应用、影像与制图、组合导航、天体力学、摄影测量学、数字图像处理、模式识别、无线电通讯与导航、数字与模拟电路、最优控制等。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。