查询词典 simulated data

The management and quality analysis of the primitive images have been analyzed and studied in this paper, of which the content and structure are as follows:Firstly, the developing background and the meaning of the management and quality analysis of the primitive image, as well as the trends of the management and data quality of the image database studied both in and out of our country, have been discussed in detail.Secondly, the developing direction of the technology of the remote sensing image and the importance of the remote sensing images in the field of economy nowadays have been analyzed systematically. And it is pointed that the primitive image with the elements of interior and exterior orientation will become more and more important as a sort of image production.Thirdly, the hierarchical structure of database, especially the SQL Server adopted in this system, has been deep studied and analyzed in the aspects of Applying Program Interface, Internet Data Connector and ActiveX Data Object.Fourthly, the methods of assessing the quality of the remote sensing image have been put forward in the terms of geometry, construction and the integrality of the assistant information.Fifthly, the model of propagation of errors of the precision of the ground coordinates has been calculated in the steps of inner orientation, spatial resection and answering based on the deep analysis of the principles and processes of inner direction and space resection, which have also been experimented and analyzed in term of numerical value.Finally, the total design and the idiographic realization of the sub-modules have been introduced in detail, based on which the design and development of this system are realized in combination with the program languages such as VB6.0, VC6.0 and SQL.

本文针对原始影像的管理与质量分析进行了深入的研究与探讨，主要内容包括：(1)首先对原始影像管理与质量分析系统的研制背景和意义进行了详细论述，并对影像数据库管理和数据质量研究的国内外动态作了介绍；(2)对遥感影像技术目前的发展趋势以及遥感影像在国民经济生活中的地位进行了深入的分析，并指出附带有内外方位元素的原始影像作为一种影像产品将越来越会引起人们的重视；(3)对数据库的体系结构进行了深入的研究与分析，尤其是对SQL Server数据库的体系结构，从编程接口、Internet数据连接器和ActiveX数据对象三个方面进行了深入剖析；(4)从几何质量、构像质量和附属信息的完整性三个方面提出了对遥感影像质量的评定方法；(5)基于对内定向和空间后方交会原理及过程的深入分析，推导出了从内定向到空间后方交会再到最终求解地面坐标的误差传递模型，并对上述模型进行了数值实验和分析；(6)对原始影像管理与质量分析系统的总体设计和各模块功能的具体实现进行了详细的介绍，并在此基础上联合VB6.0、VC6.0和SQL等编程语言，实现了系统的设计与开发。

To read data from a source, leaving the source data unchanged, and to write the same data elsewhere in a physical form that may differ from that of the source, e.g., to copy a deck of punched cards onto a magnetic tape.

从数据源中读出数据，源数据保持不变，然后将该数据以某一种物理形式写到另一处。该物理形式和源数据的形式可以不同。

Some questions in digital elevation model were discussed detailedly, such as the obtaining of data points, the fast searching of reference points, the interpolation algorithm of quadric surface, the abnormal data eliminating, and so on. And this paper has realized the 3D vectorization of 2D terrain maps, the 3D display and edit of DEM data with the help of secondary development of CAD.

文中详细讨论了数字高程模型中数据点获得、参考点的快速搜索、二次曲面的插值算法、粗差剔除等内容，并运用AutoCAD二次开发技术，实现了二维地形图的三维矢量化以及DEM数据的三维显示和编辑修改。

This thesis introduces the basic principle of the least square data fitting.. According to the least square data fitting ,the paper studies and analyzes the linear least square fitting ,the quantic least square fitting and nonlinear least square fitting respectively . By using the mathimatic instrument Matlab , this paper shows a lot of examples of interrelated questions. Using Matlab makes the theory of data fitting easier to be understood.

本文介绍了最小二乘数据拟合法的基本原理，并根据最小二乘数据拟合方法，分别针对线性最小二乘拟合、多项式最小二乘拟合，非线性最小二乘拟合（lsqcurvefit、nlinfit、lsqnonlin、以及非线性的线性化）、多元最小二乘拟合进行了分析和研究，并通过数学工具Matlab实现了对相关问题的举例应用，使相关数据拟合理论更加生动易懂。

With the rapid development of database technology, the data reserves all over the world have been enlarged in a quick format, behind which hide much potential information themselvs. However, because the technology carries no thorough analysis of data, the phenomenon "data rich but information poor" appears.

随着数据库技术的快速发展，全球范围内的数据存储量急骤上升，激增的数据背后隐藏着许多潜在的信息，然而，缺乏了对数据进行深层次分析的技术，导致了"数据丰富但知识贫乏"的现象。

Based on the work by the forerunners, this paper do some investigation about various kinds of data transmission format, for example, CBERS-1-02B CCD double channel data transmission, WFI and IRMSS, SPOT-2/4 single channel multiple work modes, LandSat 5 TM multi frame structure, HJ-1A/B single channel multiple sensor and so on, make some conclusion about the common parts of transimission foramt of different sensors, which meet the requirement of easy production, extraction and transmission, at the same time, the author made the quick view data format which is fit for multiple satellites and sensors.

作者在总结前人研究工作的基础上，结合国家对航天对地观测地面系统一体化和数据标准化的要求，针对光学、红外、高光谱等传感器卫星原始数据格式，如：CBERS-1-02 卫星的CCD、WFI与CBERS-1的IRMSS多通道多传感器数据传输格式的特点；SPOT 2/4的单通道多工作模式数据的特点；LandSat5卫星TM复帧数据结构数据的特点；针对HJ-1A/B卫星单通道多传感器数据传输格式的特点等原始数据格式进行了详细分析，总结不同传感器数据格式的共性部分，满足数据格式便于生成、解析和传输的特点，研究制定了适用于多种卫星、多种传感器的快视数据格式。

There are three kinds of observation data: remote sensing observation data, radiosonde report and surface observation data.

目前，中尺度数值模式中用到的观测资料包括：遥感观测资料以及常规探空和地面观测(地面观测站与地面自动站)资料等。

In order to have a good understanding of the causes of the event,a detailed analysis was made of the weather condition s during the time period by means of the air pollution index,conventional meteorological data,radiosonde data and AWS data.

为了了解造成这次持续重污染过程的原因，利用同期污染指数、常规气象观测资料、探空资料及自动站气象资料，对这一期间的空气污染气象条件进行了较为详细的分析。

Using a neural network algorithm to establish a typhoon rainfall model and to seek the nonlinear relations between the relevant parameters and rainfall intensity is a rational approach. The rainfall data used in this study include rain gauge data and radar data, and is able to reflect the spatial distribution of the precipitation pattern.

雷达具有空间侦测能力，利用地面雨量计的雨量资料与雷达回波的资料，可以将空间中的降雨分布趋势表示出来；本研究当中所决定的台风降雨因子是根据过去相关研究文献所整理出来，而这些台风降雨因子是否能完全模拟台风降雨的机制，尚待观察。

Studied the expansion of the Dual-port Data Cache, designed a Sixteen-ported Data Cache, The simulation results showed that on the average, access time is decreased 20% over Single-port RAM based Data Cache.

对双端口数据Cache进行扩展研究，设计了一个16端口数据Cache，与单端口实现的16端口数据Cache相比，数据Cache平均访问时间降低了20％左右，且硬件实现相对简单，占用芯片面积少。

Chimborazo and Cotopaxi, took me by the hand.

越过琴博腊索山和科托帕克西山。

This car is in a good condition.

这辆车的状况很好。