光栅数据是由覆盖空间区域的网格值所定义的非几何数据。
Raster data is non-geometric data defined by a grid of values covering a spatial area.
光栅数据的层通常称为段,而术语层仍然用于光栅和矢量数据。
Layers of raster data are more often called bands, although the term layer still applies to raster as well as vector data.
高程数据就是很好的单级光栅数据的例子,它经常用颜色坡度,如图2所示。
Elevation data is a good example of a single-band raster dataset, often visualized with a color ramp, as shown in Figure 2.
见参考资料中gdal光栅格式信息页,了解更多关于其他光栅数据格式的信息。
See the link to the GDAL raster format information page in Resources for more information on other raster data formats.
比如 10 米乘 10 米的网格,取每个交叉点的值(共有 100组)就形成一个光栅数据集。
Taking a 10-meter-by-10-meter grid and making one observation for each intersection (100 observations) would constitute a raster dataset.
该装置的测量系统采用了激光干涉仪和光调制光栅,并由微型机进行数据处理。
Laser interferometer and grating of modulation light are used in the measuring system and the measuring data is processed by microcomputer.
为了防止突然断电时造成数据错误,增量式光电轴角编码器通常采用零位光栅提供绝对零位信号。
Incremental optical electric axial Angle encoder usually adopts zero position grating providing absolute zero position in order to prevent from data fault during electricity failure suddenly.
光电测长系统由光电传感器测试头、样品工作台、台式光栅数显表和微机数据采集处理系统组成。
The photo electronic length measuring instrument consists of photo electronic sensors, measuring stands, grating digital displays and micro computer data processing.
系统主要由宽带光源、光纤光栅、非平衡马赫-曾德干涉仪、数据采集与处理等部分组成。
The system mainly consists of wide-band light source, fiber Bragg grating, unbalanced Mach-Zehnder interferometer, and data acquisition and processing components.
采用光栅技术,用98J型精密测量投影仪对X光底片进行测量,用微机采集和处理数据。
The 98J mode precision measurement projector is used for measurement of X ray plate by grating technique and a personal computer is used to collect and to process the data.
该文通过对分布式虚拟战场环境中仿真实体及其应用研究的开发应用,对光栅图像地图转化成矢量数据地图的方法进行研究。
In this article a method for converting raster image into vector drawing is introduced based on the application of simulated entity in distributed virtual battle field environment.
光纤光栅传感系统一般包括光源、传感器(光纤光栅)、光路解调部分、数据采集分析终端等部分。
The fiber grating sensing system consists of four parts, Broadband Light-source, FBG/LPG based sensor, Signal demodulation section and Signal process section.
在图案(如全息光栅)的形成过程中,由吸收和消耗的数据估计局部温度、特别是在薄膜中温度的上升已经成为当今研究的主题。
During pattern formation like a holographic grating, the local temperature increase, especially in thin films, is up to date a subject of estimation from absorption and dissipation data.
以平行光管和23面棱体为基准,得到存在偏心误差的一组光栅角编码器测量数据。
With a collimator and a 23 polyhedron as measuring datum, a set of optical angular encoder measuring data, which containing the eccentricity error, was obtained.
设计制作了一种基于线阵CCD和USB2.0数据采集系统的高速便携式近红外光栅光谱仪。
A design of portable high-speed near-infrared grating spectrometer based on linear array CCD and USB2.0 data acquisition system was introduced.
利用机械接触式装置,通过长导轨及其光栅探头的高度变化来直接测量非球面的矢高,并把所测得的三维数据传输给计算机。
The contact mechanical equipment measures aspherical vector highness directly by a grating probe, and the three dimension data tested are transferred to a computer.
用干涉法测量变线距光栅的线密度,给出了测量原理、实验中的光路、数据处理的方法、测量结果。
The line density of varied-line-space gratings have been measured by using interferometry. The principle and geometry are introduced, the methods of data processing and the results are given.
研究了光栅图象的投影、采集及预处理方法,并对得到的被测物体表面三维数据点进行重构显示。
The preprocessing methods of grating image are studied, and the 3d object surface data is reconstructed.
以平面光栅单色仪和光学扫描振镜为基础研制一套具有高时间分辨能力的光学多道分析系统,并利用计算机进行实时控制与数据采集。
Based on a plane grating monochrometer and a optical scanner, the high time-resolved optical multichannel spectrometer is developed. A computer is used to real-time control and data acquisition.
系统利用分布式光纤光栅温度传感器对电力线路温度数据进行实时检测,然后将检测到的温度数据传送至数据处理部分。
The data acquisition sub-system USES distributed optical fiber grating temperature sensor system to measure the temperature of the cables, and transmits the data to the data processing sub-system.
主要介绍了光栅尺动态测量仪的数据采集和数据处理系统部分。
The data acquisition and processing system for dynamic measurement of grating linearscale is described.
现有的交互式电子技术手册(IETM)解决方案主要有光栅图、电子文档化和数据库三种,它们既有独特之处,又有各自的局限性。
There are three current projects about the digitized technical manuals, including raster image, archives and database. Each of them has its characteristics and limitation.
现有的交互式电子技术手册(IETM)解决方案主要有光栅图、电子文档化和数据库三种,它们既有独特之处,又有各自的局限性。
There are three current projects about the digitized technical manuals, including raster image, archives and database. Each of them has its characteristics and limitation.
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