map distortion 中文意思是什麼

map distortion 解釋
地圖失真
  • 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...
  • distortion : n. 1. 歪扭,扭曲。2. 【電學】(信號、波形等的)失真;【物理學】(透鏡成像產生的)畸變;【醫學】扭轉,變形。3. 竄改,歪曲,曲解。adj. -al
  1. The map displays the entire world using a cylindrical map projection ; this results in a good display of low latitudes, but severe distortion at high latitudes

    地圖使用圓柱形,這樣會使低緯度地區顯示得比較明顯並且會使高緯度地區僅僅發生很小的形變。
  2. It study carefully the distortion of the remote sensing imagery, the rectification of the radiant quantity, the rs image strengthen and the color fusion. based on these achievements above, we do experiment on the differential rectification, the rs image fusion, the object determining and the exchange for the different format data, propose the plan and flow chart of the terrain map rectification by the rs imagery. we demonstrate the method for the target location and the direction outside by the rs imagery and how to select the reference point and read the information of the rs imagery

    本文闡述了利用航天遙感影像進行1 : 25萬地形圖數據庫更新的必要性和可行性,在對spot和landsat遙感影像特性進行分析的基礎上,對航天遙感影像的系統變形、輻射量校正和影像增強與彩色融合等內容進行了認真研究,並在此基礎上對航天遙感影像數字微分糾正、影像融合、地物判讀、數據庫數據格式轉換、基於遙感影像的地形圖修測等方法進行了具體試驗,提出了利用遙感影像進行地形圖修測的具體方法和作業流程。
  3. By testing the corrected image map, the mean error of point position was 1 meter, the maximal error was 2 meters, length distortions on x and y axis orientation were not more than 1 % and angle distortion was almost not existing

    經檢驗,單點定位平均偏差為1m左右,最大偏差為2m左右,在x 、 y方向上的長度變形均不大於1 ,基本沒有角度變形。
  4. Investigation using remote sensing ( rs ) technology can breakthrough the limits of traditional methods, make full use of its capability of integration, visualization, rapidity and vast - dimensions analysis, and get better results the paper takes the up - to - date landsat - 7 etm + data, which is the most widely used, and quickbird data, which has the highest resolution nowadays, and according the features of the data and landslides, processes the quickbird data with 1 : 10 000 dem orthophoto correction and the landsat - 7 etm + data as follows : ( 1 ) selecting optimal spectrum band : selects 753 bands as the optimal bands ; ( 2 ) image intensifying : selects the principle components processing method on the basis of comparing several image intensifying methods ; ( 3 ) rigour geometric direction : corrects the geometric distortion of the map ; ( 4 ) image fusion : mainly takes his space transform fusion and resolution fusion method, and acquires maps with higher spectrum resolution as well as space resolution. after that, the visual effect of the image has been enhanced, and the interpretation precision

    採用遙感技術,可以突破傳統調查方法的限制,發揮其宏觀、綜合、直觀、快速的特點,取得更好的效果。論文選取目前應用最廣的陸地衛星最新系列landsat - 7etm +數據和空間解析度最高的商業衛星quickbird數據作為主要的數據源,根據數據的特點及滑坡災害應用特徵,對quickbird遙感數據則基於1 : 10000dem進行了正射校正,對etm +遙感數據進行了波段優選,選取了753作為最佳組合波段;圖像增強,通過各種增強處理方法的效果對比,選擇主成分分析法對圖像進行增強;幾何精校正,糾正圖像的幾何變形;影像融合,主要選取了效果較好的his空間變換融合和解析度融合,得到的圖像既具有較高的光譜解析度,同時也具有較高的空間解析度。經過上述數字處理,較好地改善了圖像的視覺效果,提高了圖像解譯的精度。
  5. Even if the map is aided by magical size distortion, everything has be very, very, very small, and available information has to be limited by some relevance, and therefore, the map takes forced concentration, focus and effort to view

    即便這張地圖有魔法幻像的幫助,它上面的東西也肯定是十分、十分小的,並且,它所提供的信息也是被某些東西局限的,因此,這張地圖需要人有強制的集中注意力才能看。
  6. The stars map procession is the base of star sensor procession. the stars map bottom processing includes in distortion correction, stars map denoising and centroid extraction. it is basis of star identification and important to successful identification

    星圖圖像底層處理主要包括星圖畸變分析與校正、星圖去噪以及星體質心提取等,它是進行星圖識別處理的基礎,它對于識別成功率具有重要意義。
  7. Note the similar distortion of the coastline of the americas between piri and this map

    注意在皮爾這張地圖和美國之間的海岸線類似失真地方。
  8. Otherwise, an active integral chaotic measuring circuit is suggested based on the analysis of the present nonlinear circuits in this paper, which gets rid of nonlinear distortion of map function in constant - voltage mode and defect of constant - current source operating on - off state. using a general operational amplifier, high precision can also be obtained. a nth - order chaotic measuring system can be composed of its interconnection

    另外,本文在分析原有非線性電路的基礎上提出一種有源積分式混沌測量電路,它克服了恆壓式測量電路映射函數存在非線性失真、恆流式測量電路不宜工作在開關狀態的不足,利用普通的運放也獲得較好的測量精度。
  9. The algorithm takes advantage of the merits of the watermarks both in low frequency and high frequency and can embed more information with less distortion. experimental results show the algorithm is robust to many common image operations. as for the vector map data, an uniform model of embeding watermark for vector maps and raster maps is proposed after current trend of research and watermarking methods of 3 - d vector images are summarized, primary study results show the model is effective and promising to further research

    目前該問題在國內外都還處于探索階段,作者在分析了國內外三維矢量水印的研究狀況、研究方法后,提出了將矢量數據中的部分信息轉化為柵格形式后再嵌入水印的方法,該方法使地圖柵格數據和矢量數據在嵌入水印時能夠使用統一模型,初步的實驗結果表明該方法為二維地圖矢量數據的水印嵌入開辟了一種新途徑。
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