map symbol 中文意思是什麼

map symbol 解釋
地圖符號
  • map : MAP ＝Military Aid Program 〈美國〉軍事援助計劃。n 1 地圖；天體圖；圖。2 〈美俚〉臉，面孔。3 〈美...
  • symbol : n. 1. 記號，符號。2. 象徵，表徵。3. 【宗教】信條。vt. ,vi. （-l（l）-） 〈罕用語〉＝symbolize.
  1. And then facing the problem of the channel estimation of the adaptive modulation system, we conclude out the channel estimation algorithms on maximum likelihood ( ml ) estimation and maximum a posteriori ( map ) estimation under the condition of flat fading channel and selective fading channel in detail. to meet flat fading channel, we simulate the relationship of the ratio between the error covariance in map estimation and ml estimation and pilot symbol message length. the conclusion can be drawn from these results

    接著，對自適應調制系統中的通道估計問題難點，詳細推導了平衰落通道條件下和選擇性衰落通道條件下最大似然（ ml ）估計和最大后驗概率（ map ）估計演算法，針對平衰落通道，我們模擬了map估計和ml估計的方差與導頻符號長度的關系，模擬結果表明，錯誤方差受多譜勒頻率的變化影響最大，並且對實際的自適應調制系統，導頻符號長度的取值超過20個符號長度時， map通道估計明顯優于ml通道估計。
  2. In this paper, the symbol design method and visual element management method are presented. the cartographer can design any kind of line style to decorate thematic map with symbol design tools

    本文從可視化要素的製作和管理以及如何提高制圖效率三個方面探討了在地理信息系統中的地圖整飾方法。
  3. The poll revealed over three quarters of british drivers were unable to identify the motorway map symbol, while only one percent of motorists would pass the cub scout map reader test

    該調查發現，英國超過四分之三的司機不會辨認公路地圖圖標，僅有1 %的司機能通過「童子軍認圖測試」 。
  4. In this paper, the author goes deep into the character and composition rule of point, line and area symbols, and the definition of map symbol base is brought forward

    本文深入研究了點狀符號、線狀符號、面狀符號的特點及構造原理，給出了地圖符號庫的定義。
  5. An anti - aliasing algorithm suitable to map publishing symbol

    一種適合於地圖出版符號的反走樣演算法研究
  6. Design and implement of map symbol design system in gis

    中地圖符號設計系統的設計與實現
  7. Studying on the method of drawing digital map symbol based on object - oriented programming principle

    基於面向對象原理的數字地圖符號設計方法研究
  8. Based on the research of the conception and the theory of designing about electric map, a system for making and applying military electric map is developed in this paper. the achievements can be summarized as follows : introducing the relative technology about the electric map and discussing the design, realization and composing of military electric map system. discussing the special require of electric map and particularity of making electric map symbol, and making an in - depth study on realization of map symbol base and plotting module

    本文重點討論了屏幕上電子地圖顯示的特殊要求，以及在電子地圖條件下符號製作的特殊性和應該注意的問題，提出了電子地圖條件下符號設計的原則，在此基礎上設計了合理的數據結構、採用復合文檔技術進行了地圖符號庫的設計與實現，並以符號庫為基礎，針對軍標符號的特點，建立了軍標符號庫，實現了軍標符號的製作以及軍事標圖模塊的研製。
  9. According to the fact of existing mapping relations between cartographic region and the subjective cognition structure, this paper brings forth the definitions of imitative map symbol and virtual map symbol, studies the rule of their evolution, puts foward the mathematical model for maps of planning and forecasting as well as the definition for geo cyber space

    摘要根據從制圖區域到主體認知結構，從主體認知結構到二維平面之間存在映射的關系，給出了模擬地圖符號和虛擬地圖符號的定義，探討了其演化規律，並給出了規劃和預測地圖的數學模型以及地理虛擬空間的數學定義。
  10. Autodesk map based on map symbol database design and development

    地圖符號庫的設計與開發
  11. The study on the expanding of map symbol in mapinfo environment

    環境符號庫擴充的技術途徑和方法研究
  12. The map symbol base system is one of the indispensable base functions in electronic map system

    地圖符號庫系統是電子地圖系統中不可缺少的功能模塊之一。
  13. The exact and fast geographic information display is based on the design and realization of the map symbol base system

    地理信息符號庫的設計與實現是地理信息正確快速地顯示的基礎。
  14. Considering the demand of embedded system, this paper designs and realizes a map symbol base for vns specially

    結合嵌入式系統的要求，設計並實現了適合嵌入式車輛導航系統的地圖符號庫。
  15. On the other hand, the current popular map symbol base softwares do not meet the demand of the embedded vehicle navigation system. so it is necessary to build a special map symbol base system for vns

    目前已有的通用型符號庫軟體不能滿足嵌入式車輛導航系統的要求，因此需要自行研製一款地圖符號庫。
  16. This paper introduces the concept of the visual transmitting, discusses the excavate of a new visual map symbol, the method of visual flow and visual center in terms of the map symbol and space composition of map figure, and summarizes the discipline how the emotion information of the design can be visually transmitted

    摘要介紹了視覺傳達的概念，從地圖圖形符號和圖形空間構圖兩方面探討了關于新的視覺圖形符號的挖掘和地圖審美語境的塑造以及視覺流程、視覺中心等體現地圖構思的形式美方法，由此總結出地圖情感信息的視覺傳達規律。
  17. The map symbol base system is one of the basic functions of geographic information system. as a basic research, it developed rapidly with the development of information technologies. under the guidance of the map symbol and software developing method theories, using the thinking of " design pattern ", this paper put forwards a design method of the two dimensions symbol editor. lt is researched from the theory to the practise. the topics of this paper as follows : 1 this paper not only discussed the question of symbol design system, but also discussed the background and contexts of research based on the map symbol theory and the researching actuality 2 by introducing the background of map symbol base ' s technology, this paper puts forward a feasible developing method and introduces some developing tools, such as unified modelling language, rose etc. 3

    地圖符號庫系統是地理信息系統（ gis ）中不可缺少的基礎功能模塊之一，它作為gis基本的研究課題，隨著信息技術（ informationtechnologies ， it ）的發展也在迅速發展著。本文在地圖符號和軟體開發理論及組件技術的指導下，運用先進的「設計模式」思想，提出二維符號編輯系統的設計思路，並且從理論到實踐進行了較為全面系統的研究和探討。其主要內容包括： 1 、從地圖符號理論基礎和研究現狀出發，對目前符號編輯系統存在的問題、課題研究背景和研究的內容進行了探討。
  18. In the third part of this paper, the map display model, data structure, map symbol library, and system function of the map display system are designed with the direction of cbd theory ; and finally, the map display objects classes are worked out with oo technology

    第三部分運用軟體工程的設計思路，以組件式軟體設計思想為指導，設計了地圖顯示系統的框架模型、數據結構、地圖符號庫和系統功能，並在此基礎上，利用面向對象的技術和方法設計了地圖顯示對象類。
  19. Based on the main idea of " the map display of comgis ", the concept and technological foundation of comgis, the theory of component ( com ), and component - based development ( cbd ) are discussed separately in this paper ; and some products of comgis in existence are studied. also, system designs and development models of the map display of comgis have been presented based on recent practices, including the structure of data and map symbol library

    本文以「組件式地理信息系統的地圖顯示」為核心，分別闡述了組件、組件gis和組件式軟體開發的理論和方法，對現有組件gis產品進行了研究分析，重點設計實現了地圖顯示的組件，其中涉及到了數據結構的定義和地圖符號庫的建立，以及導航功能的設計實驗等內容。
  20. In order to solve several problems when studying visualization of multi - source spatial data, the authors propose two new conceptions, display sequence control and symbol display control style, the former is used to manage visualization of multi - source data ; and the latter is used to solve problems of set of map symbol style at different display scale

    摘要提出了顯示順序控制和符號顯示控制樣式兩個新概念，解決了多源數據的綜合管理顯示問題，改善了地圖要素在不同顯示比例尺段的顯示效果。
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