采集

The image collecting parts mainly complete the conversion of the optics photograph to the image that can be treated by the computer. In this step, the pictures of teeth are shot by CCD and store in the compute at the aid of the video collecting cards. The image processing parts realize the geometric transformation, color adjusting, enhancement, measurement and some specially good effects of the collected images. And at the assist of the image processing, the more image information of dental images is exploited, so that the odontologist can diagnose more accurately.

牙科图像数字化主要完成从光学图像到计算机可处理图像的转换，为系统提供可操作的对象，其基本过程可描述为：通过CCD摄像镜头，对实物进行拍摄，由视频采集卡以信息流的形式对信号实时采集、捕捉，以帧的形式缓存，以静态的图像格式存储在计算机中；牙科图像处理部分不仅实现了图像的几何变换、色彩调整、图像增强以及一些特效，而且对牙齿病变部位进行测量，通过这些操作，能够获得更多的图像信息，提高了医生对病情诊断的科学性；牙科病例数据库部分能够浏览病人的基本信息及牙科图片，实现患者病历的添加、删除、修改等操作，建立患者牙科图像档案的图文数据库。

The conditions of the filters that should be satisfied are also derived. By analyzing the transformation structure of orthogonal wavelets and biorthogonal wavelets, the data acquisition method based on multichannel structure is proposed. The compensation method is discussed, and the design method of compensation filters is also derived.

在分析了正交小波与双正交小波变换的结构的基础上，利用多分辨理论的性质，提出了基于小波方法的双通道及多通道数据采集方法，最后对这种结构中可能存在的误差的补偿方法进行了研究，得出了去除误差的滤波器设计公式，从而完成信号的采集与恢复。

The design changes the traditional inefficient and high-cost de-sign in signal acquisition and transmission with using a real-time acquisition of DVI display signals and transferring data through the Ethernet port.The design uses a highly integrated FPGA and high-capacity SDRAM,multiplexing of signal package to transfer display data and control data,and efficient algorithm for gray-scale slice as well.It has the features of low cost,large display area,stable display,and high refresh rate.

该设计改变传统设计中低效高成本的信号采集和传送方式，改用实时采集DVI接口显示信号、通过网口传输数据，采用高集成度FPGA和大容量SDRAM，采用信号包复用技术同步传送显示数据和控制数据及高效率的灰度切片算法等新技术，具有成本低、显示面积大、显示稳定、刷新率高等特点。

Objective:To compare the levels of serum parathormone, serum calcium and serum phosphorus before and after platelet collection, and to compare the effects of Caltrate D on intoxication of citrate in collecting platelets.

选择有枸橼酸盐中毒症状的献血者 1 0例，第 1次采集血小板前不补钙，第 2次采集前 4 d开始服用钙尔奇 D6 0 0咀嚼片，1片/ d，观察是否出现枸橼酸中毒症状。

The pharos is controlled by reliable program. Working status data is collected in real time. A two-stage amplifier is used to sense the current signal. VHF transmitter-receiver is used as the means of communication, which is working at 233. 3MHZ. GPS data is collected to calculate the latitude and longitude valued of the pharos. Sleep mode is used to reduce the energy consumption. Auto alarm function and watch dog function are integrated to maintain its stability and reliability.

在用高性能8位处理器68HC908SR12设计的新型遥控遥测航标灯中，充分利用了处理器的功能，实现了对灯器的程序化控制，实时进行数据采集，采用了两级放大器对电流信号进行放大，采用VHF电台进行远程通信，对GPS定位数据进行采集和处理，为了降低功耗实现了定时和睡眠控制，为保证工作稳定性和可靠性，启动了故障处理、自动报警功能，以及看门狗功能。

However, the collection time is limited by depth-scanning with no further application in vivo. Spectral-domain OCT uses spectrometer instead of photoelectric cell, and it able to obtain the whole depth information through Fourier Transform of the collected interference spectrum.

最近兴起的频域OCT技术用光谱仪替代了光电二极管进行检测，通过采集干涉光谱并作傅立叶变换就能得出样品内部一个深度方向的全部信息，实现了深度方向信息的并行采集，使系统更为简单和稳定，极大地提高了成像速度。

Ntegrative system undertakes model orienting, tridimensional collecting, DTM collecting and edit, orthographic image making by changing personal computer into economic and high-efficiency photogram metric system.

mageStation Stereo Softcopy Kit将专业的、高端的摄影测量系统运行在普通的计算机上，可以完成航测数据管理、立体像对显示、模型定向加密、特征数据采集、 DTM 采集和编辑、正射影像制作等工作。

A microcomputer is used to communicate with the controller of electron probe to control the spectrometers and the sample stages as well as the scalers. Data of X-ray intensity are acquisited when the sample stages are scanning in a certain step and time period. X-ray images were formed and shown in colors or in 3 dimensions, and have no distortion at low magnification. Hidden zonate phenomena of a picrite were found.

摘 要：用微型计算机与电子探针控制机通讯，实现对各道波谱仪和样品台的实时控制，以及对各道定标器的数据采集；在选定的样品区域上设定采样步长和时间，边移动样品台边采集各道X射线强度；用伪彩色、三维视图和内插放大等方式显示图像，解决了低倍X射线像失真问题，观察到了辉石的隐环带等现象。

Outside the data collection must also ensure that mobile stations and digital depth sounder in the same plane coordinates, so that collected in order to ensure that no deformation of the three-dimensional coordinates, while for the sampling interval is also necessary to keep pace.

在外也采集数据时一定要保证流动站和数字测深仪在同一平面坐标内，这样才能保证所采集的三维坐标不变形，同时对于采样间隔也一定要保持同步。

the digitized mapping technique is to combine the field data collection system with the computer assisted mapping system in surveys by computer technology.it aims to realize the information collected and processed digitally and automaticaity.the digitized mapping technique can cut short the working time,lighten the labor intensity and enhance the precision of the productions.the system consists of three parts,such as data input,data processing and data output.the survey-record digitized mapping technique is widely used in the digitized mapping working pattern.for its superiority over traditional plane-table mapping in accuracy and efficiency,the large scale digital mapping is becoming more and more popular.compared with traditional analogue mapping,digital mapping has more quality control pivotai points,and its contents and methods are more complex.with the appearance of new technology gps ,the coordinate of different levels controlling points may be surveyed in high precision and it has been applied widely in topographic survey.the operation process of gps electronic tachometer is introduced and its application in topographic survey is br

计算机应用论文，计算机论文， rtk ，全站仪，数字测图，地形测量， gps论文摘要：数字测图是在测量工作中利用电子计算机技术将野外数据采集系统与内业机助制图系统相结合，其目标是实现信息采集处理的数字化、自动化、信息化。数字测图可以缩短作业时间，减轻劳动强度，提高成果精度。数字测图系统主要由数据输入、数据处理和数据输出3部分组成，数字测图作业模式中测记式数字测图应用最为广泛。大比例尺数字测图正以其测图精度高，成图速度快等优势逐步的取代传统的，以平板仪为主的模拟测图。与传统的模拟测图相比，数字测图的质量控制关键点更多、内容与方法更为复杂。gps 新技术的出现，可以高精度并快速地测定各级控制点的坐标，在地形测量中已得到广泛地应用。本文介绍了gps 配合全站仪的作业流程，简要阐明了其在地形测量中的应用。在利用实测数据成图的过程中，解决一些常见的问题，并给出解决的办法及依据，同时给出一些有益的结论，以适应实际使用的需要。

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。