查询词典 compress

So education modernization of China must take the "compress" span development tactic, while the extreme imbalance of education development among different Chinese areas forms interlocal imbalance development with hiberarchy list. Endogenetic pursuant mode needs kinds of conditions.

中国的教育现代化追赶的目标是在较短的时间内达到其他国家经过数百年发展所达到的教育现代化水平，因此，中国的教育现代化必须采取"压缩"的跨越式发展战略；而中国各地区之间教育发展的极端不平衡性，使这种追赶形成了各地区非均衡发展的层级序列。

Based on the summarizing of the exiting algorithms of the texture mapping and antialiasing, this paper goes deeply into the basic theory and processing of texture mapping. The texture compress algorithm which can satisfy the need of the memory and time is given for the stochastic sampling in the inverse texture mapping; the geometry transformation in the texture mapping are discussed and the concepts of the unitary parametrization and the patch parametrization is proposed, some kinds of the unitary parametrization methods of parametric surfaces and the geometry transformation in the patch parametrization are also presented; in order to solve the aliasing in the parametrization of intermediate surface-sphere in two-part texture mapping, an area-preserving transformation is presented also; to improve the quality of the graph the aliasing in the texture mapping is analyzed from the aspect of signal process, and the modified summed-area tables algorithms is proposed; the distortion of the scanline conversion algorithms under perspective transformation is analyzed and the proper interpolation algorithm is presented so the aliasing problem of the polyhedral object after the unitary parametrization is efficiently solved.

本文在总结现有的纹理映射和反走样算法的基础上，深入研究了纹理映射的基本原理与过程，根据反向纹理映射对纹理随机采样的特殊要求，提出了一种可满足存储空间和寻址时间的纹理压缩存储算法；通过对纹理映射中几何变换理论的进一步深入探讨，提出了整体参数化和面片参数化的概念，并给出了参数化曲面的各种整体参数化方法和面片参数化的几何变换形式；针对现有的两步映射算法所存在的中间曲面—球面的参数化问题，提出一种等积映射方法，较好地实现了由非参数化面片拼接而成的多面体表面的纹理映射；从信号采样的角度深入分析了纹理映射中走样产生的原因，提出了改进的区域求和表算法，使图形生成的效果有所提高；还分析了一般的扫描线算法在透视变换中所存在的问题，提出了一种正确的插值算法，从而解决了整体参数化后多面体表面纹理映射的几何变形问题。

The invention refers to a method to correct universal frequency of electric communication technique, its character: make signal index quantization on the complex number of cross product, to directly reflect the quantized numerical value of tangent value and the located quadrant of imaginary and real parts, use inverse tangent ROM table to discriminate the processed result, then make loop filter and phase accumulation on the discriminated result to obtain error-correcting angle, and use digital controlled oscillator to make table look-up and quadrant adjustment to obtain correcting factor; use the relationship of trigonometric function in each quadrant to compress inverse tangent look-up table ROM and digital controlled oscillator look-up table ROM.

一种涉及电通信技术的通用频率纠正的方法，其特征在于：它采用如下步骤：经过叉积的复数进行信号指数量化处理，通过该复数虚、实部信号的指数量化结果的差值及其极性直接反映虚、实部的正切值的量化数值以及所处象限，将处理后的结果通过反正切ROM表进行鉴频，鉴频后的结果经环路滤波和相位累加，得纠偏角度，通过数控振荡器针对纠偏角度进行查表和象限调整，得到纠正因子；通过个象限之间的三角函数关系来压缩反正切查表ROM和数控振荡器查表ROM的大小，本发明资源耗费小，效率高，可极大地节省内存资源。

This method was to avoid high frequency false wave and compress the effective signals and cause the decrease on inversion precision. The inversion formula was rederived.

这种做法在消除高频假波的同时会对有效信号进行一定的压制，造成反演精度的降低。

Therefore, in this paper, importing Genetic algorithm which has been applied successfully to deal with this problem, we present a better approach to compress a binary image by using Iterated Function System and Genetic Algorithm.

然而，IFS的求解属于NP-hard问题，在复杂的约束条件下，并要在庞大的搜索空间中寻求最优解，传统的搜索方法几乎是不可能的。

A integrate software code of digital hard disk video tape, including data collection and compress kinescope of video freque...

一个完整的数字硬盘录像机系统软件，包括视频数据采集与压缩录像；云台控制；接入报警与电子地图。

WORD PROCESSOR: allows full control of fonts, background+highlight color, left/right/center/justify/indent text, left/right margins, bullets, hyperlinks, table color/shading/border/resize, text-sort, line-select, zoom, 100-level undo/redo, etc. IMAGES: clone, copy, paste, import, export, resize, compress.

文字处理器：允许完全控制的字体，背景+高亮颜色，左/右/中心/理由/缩进文字，左/右的利润率，子弹，超文本链接，表颜色/阴影/边境/大小，文本排序，路线选择，缩放， 100级别的撤销/重做等图像：克隆，复制，粘贴，进口，出口，调整，压缩。

WORD PROCESSOR: allows full control of fonts, background color, highlight color, left/right/center/justify/indent text, left/right margins, bullets, hyperlinks, table color/shading/border/resize, text-sort, line-select, zoom, 100-level undo/redo, line numbers, etc. IMAGES: clone, copy, paste, import, export, resize, compress.

文字处理器：允许完全控制的字体，背景颜色，高亮颜色，左/右/中心/理由/缩进文字，左/右的利润率，子弹，超文本链接，表颜色/阴影/边境/大小，文本排序，线选择，缩放， 100级别的撤销/重做，行号等图像：克隆，复制，粘贴，进口，出口，调整，压缩。

Firstly, a three order linear predictor is designed to compress terrain elevation data.

本文探讨并比较了采用LPC，DCT和BTC三种压缩算法进行低空突防用地形数据压缩的特点。

To reduce the data size of CAD product model, we presented an algorithm to compress the B-spline curves and surfaces based on second-order prediction in local coordinate system.

B样条曲线曲面密集控制点是造成CAD模型数据量庞大的因素之一，对其进行压缩编码，能有效减少CAD模型数据量。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。