Development and Application of the Vectorized Symbol System of Digital Mapping

数字 测 图矢量化 符号系统的研制与应用

The study of software of surface symbol in the modern thematic mapping system

现代专题 制图系统中面 状 符号的软件研究

The authors have proofed that the map symbol pgf ( A__ ) is the homeomorphism of mapping object A__ according to the theorem of set continuity which gives the mathematical basis for the space cognition of maps .

根据集合的连续定理，证明了地图 符号pgf（Ax）是 制图物体Ax的同胚象，从而为地图的空间认知提供了数学基础和理论支持。

The area symbol 's automatic plotting plays an important role in the thematic mapping systems .

在专题 制图系统中，面 状 符号的自动绘制具有重要意义。

The address to symbol name mapping allows Tprof to assign ticks by module and subroutine .

地址到 符号名的 映射使得Tprof可以按模块和子例程分配节拍。

The map symbol database is an very important part in Digital Mapping System and Geographic information system .

地图 符号库是数字 化成 图系统与地理信息处理软件中的一个重要的组成部分。

The soft symbol to bit mapping technique is an effective way to combine the multilevel modulation and binary decoding .

比特软 信息 提取技术是针对多电平调制与二进制译码的结合而采用的一种方法。

Based on symbol dynamics in 1-D piecewise linear mapping chaotic systems an arithmetic method processing chaotic signals is studied in the paper including addition subtraction and multiplication .

基于1-D分段线性 映射函数构造的混沌系统 符号动力学，该文研究了一种能直接对混沌符号序列进行加、减及乘法运算的方法。

As symbol is considered as the language of map map would mean nothing without it . Undoubtedly automatic map symbolization is an important part of automatic map compilation and even automatic digital mapping .

地图自动符号化是地图编绘自动化以至地图 制图自动化的一个重要环节，因为 符号是地图的语言，是地图的一切。

Address to symbol name mapping is then performed by the a2n shared library with the help of the jprof tool for Java code .

在用于Java代码的jprof工具的帮助下，a2n共享库可以完成地址到 符号名的 映射。

In this paper a novel method for number to symbol conversion which is called the multi level mapping method is proposed .

本文提出了实现数值－ 符号转换的一种新方法：多级 映射法。

The label symbol and materials ' texture of the equipment were presented by color texture mapping technique .

其中主要采用纹理 映射技术中颜色纹理 映射技术，来表现设备上的标签、 符号、材质纹理等。

It is implemented that TS is mapped into invariant symbol rate under multi-constellation mapping mode .

实现了在多星座 映射下，保证输出恒定的映射 符号流。

Data sharing between gis platforms based on symbol mapping

基于 符号 映射机制的GIS数据共享研究

The COFDM modulation part is made up of blocks partition COFDM symbol forming DQPSK symbol mapping frequency interleaving difference modulation and COFDM modulation and so on .

实现不同帧之间的比特交织等。COFDM调制部分包括块划分及COFDM符号形成、DQPSK 符号 映射、频率交织、差分调制及COFDM调制等环节。

The general-purpose modulation arithmetic based on software radio symbol mapping and the realization of pulse shaping filter are discussed .

集中论述基于软件无线电的通用调制算法、 符号 映射 原理和高速成形滤波模块的具体实现。