查询词典 Cartesian coordinates

And the Montgomery method to realize point multiplication is also efficient by using projective coordinates to reduce the multiplication times and only one time of inversion been needed.

利用Fermatt小定理求逆，根据有限域上元素的乘法满足结合律和交换律，通过重新安排乘法和平方的顺序，可以减少乘法和平方的次数，比按照定义直接实现速度提高了6倍。

Fortunately, projective texturing allows the manipulation of the projective coordinates either per vertex or per pixel.

幸运的是，投影纹理可以逐顶点或者逐像素管理投影坐标。

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。

However, if we protract the coordinates of time and space and see it in a slightly changed frames of reference, will you be convinced with that answer.

可我们如果把时空坐标延长，在一个稍稍改观的参照系中，这还会是一个让人自信的答案吗？

Coordinates of the 4 corresponding quadrangle vertices in the destination image.

输出图像的相应的四边形顶点坐标。

In any case, the field has extensive interest in image geometry (less in radiometry though not excluded) and the accuracy of measurements of the 3D coordinates, based on the project requirements.

在任何情况下，这个领域有广泛的兴趣radiometry图像几何的准确性和测量的三维坐标，基于项目的要求。

Ultrasonic range finder is used to measure car in a closed space, the specific coordinates.

超声波测距仪用来测量小车在封闭的场地里的具体坐标。

This topic mainly makes full use of the theory of node curve in closed condition and theory of instantaneous transmission to ratiocinate the rolling curve equation of the ellipse in polar coordinates format.

推导了以极坐标表示的椭圆轧件楔横轧轧制曲线方程，为轧件成形提供了理论依据，扩展了非回转轧件轧制的范围。

The next day I deleted all my site info in the handset then re-entered the coordinates, time etc .

第二天我将手控器里的地址信息全删掉了，然后重新输入新的坐标和时间等。

The results showed that the image data can be coded and transmitted quicker to acquire more information if using EBCOT algorithm, and the acoustic signals have better recognizability if scanning image data in terms of polar coordinates for mapping.

结果表明，采用EBCOT，图像编码速度快，能获得较多的信息量，提高传输速率；用极坐标方式扫描图像数据映射成的声音信号有较好的可辨别性。

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。