map correction 中文意思是什麼

map correction 解釋
地圖審校
  • 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...
  • correction : n 修正,改正;校正;矯正;〈古語〉懲罰;勘誤表,補正。 a copy disfigured by numerous corrections ...
  1. Turbo codes represent the new code structures, which consist of pccc ( parallel serially convolutional code ) and sccc ( serially concatenated convolutional code ). in this paper, the background of turbo codes are firstly introduced, which includes the base principle of error correction code 、 block code and convolutional code ; the principle of turbo code and the iterative decoding is secondly expanded ; the key decoding algorithm : a revised map algorithm and iterative decoding theory are detailed ; then, a new turbo code structure : hccc ( hybrid concatenated convolutional code ) is presented, and the capacity of this code method is analyzed, the average capacity upper bound is derived ; at last, this code is simulated on awgn ( additive white gaussian noise ) channel and rayleigh fading channel

    本文首先介紹了turbo碼的背景知識,包括差錯控制的基本原理、分組碼和卷積碼;然後闡述了turbo碼的基本原理,包括turbo編譯碼器結構及迭代譯碼原理;較為詳細地描述了關鍵的譯碼演算法: ?種改進的最大后驗概率( map )譯碼演算法及迭代譯碼演算法;提出了一種新的turbo碼結構:混合turbo碼(混合級聯卷積碼) ;並用編碼性能聯合界分析方法對混合turbo碼進行了性能分析,得出了其平均性能上界;並在高斯白噪聲通道和瑞利衰落通道上分別作了一些應用研究及計算機模擬實驗。
  2. Also, through the spectral analysis in digital image processing, methods of geometric correction and accuracy analysis, strengthening of information and extraction of the feature information of emerging of ratio and information ; the extraction of species and division into sub - compartment by using multi - supplementary information sources " ; and from the identification ability of a compartment, division into sub - compartments, land type and species and the ability of accuracy of geomatric correction and map - drawing ; they can be used as the comprehensive assessment of the ability of landscape planning and many other aspects, and determine the adaptiue faculty of different information sources in the forest management inventory

    經過數字圖像的光譜分析、多種方法的幾何校正及精度分析、信息增強、比值及信息融合等多重技術進行特徵信息的提取,並應用dem 、林相圖和地形圖等多種輔助信息源,提取樹種、小班區劃等信息,提高了林班區劃、小班區劃、地類和樹種識別的能力與幾何校正精度、制圖能力,可用於風景區劃等方面進行綜合評價,確定不同信息源在森林資源二類清查中的適用性能力。
  3. Finally, the means of how to take the form of map to describe the models depending on gis software was given in this paper. to explore and verify the operation and correction of the system, the author selected the typical luancheng county in the plain region as a demonstration. according to the concrete situation of luancheng county, the author judged the market system growth perfect

    本文以河北平原區有代表性的欒城縣為實證,針對該縣實際情況,通過綜合評價得出欒城縣集貿市場發育程度為健全型,其集貿市場可劃分為四級,一級市場為城關鎮市場;二級市場有:冶河、西營等6個:三級市場有:南郄馬、南高等9個:四級市場有:于底、城郎、范臺等13個。
  4. The whole procedure includes : scanning and inputn image - suite, image correction image thresholding, image thinning and so on, in the course of studying, found the disadvantage of existing automatic image - suite way on the scanned topographical map

    在研究圖像拼接的過程中,發現現有的自動拼接方法在地形圖掃描圖像拼接時的缺點,基於此提出了一種改進的適用於地形圖掃描圖像的自動拼接理論。
  5. Object maintains several color - adjustment settings, including color - adjustment matrices, grayscale - adjustment matrices, gamma - correction values, color - map tables, and color - threshold values

    對象維護多個顏色調整設置,包括顏色調整矩陣、灰度調整矩陣、灰度校正值、顏色映射表和顏色閾值。
  6. 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。
  7. This thesis begins with hfc network theory and docsis, analyses modulation / demodulation process of data communication in hfc. then, several theories are analysed including qam ( quadrature amplitude modulation ), nyquist root square filter, fec ( forward error correction ), map ( bandwidth allocation map ). and digital signal transmission involved the other important international standard ? itu - t j. 83 annex a / b, is discussed

    本文從hfc網路理論和docsis協議入手,分析了hfc數據通信的調制解調過程,對qam調制、奈奎斯特均方根濾波器、前向糾錯( forwarderrorcorrection ,簡稱fec ) 、 map通信等進行了闡述;還從中探討了電纜數據機需要用到的另一個國際標準ituj . 83annexa / b所設計的mpeg信號的數字傳輸。
  8. The author summarizes the current situation of the large scale data topographic map surveying ; analyzes the technology used in the large scale data - mapping system ; introduces system error correction ways based on time series analysis and analyzes the basic method of getting topographic information directly from the aerial photogrammetric surveying

    摘要概述了目前大比例尺數字化地形圖測繪的現狀;分析了實現大比例尺數字化航測成圖系統的相關技術;引入了基於時間序列分析的系統誤差修正方法,分析了直接從航測影像獲取地形信息的基本方法。
  9. 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。
  10. The system has the features of friendly interface, simple operation, convenient drawing and automatic correction and can be applied for the drawing and correction of the plane arrangement map of railway contact net

    該系統具有界面友好、操作簡單、繪圖方便和自動修改等特點,適用於鐵路接觸網平面布置圖的繪制和修改。
  11. Firstly, the theory and characteristic of comgis is studied. secondly, the key techniques, such as map digitalization, autocad dxf file conversion, computational gridding, methods for interpolation, the 3d terrain visualization, and the results correction, are introduced. and lastly, a framework on numerical modeling is implemented and applied in a practical research work on coastal engineering

    本文首先介紹了組件式地理信息系統的原理和特點;接著重點討論了前處理過程中各種關鍵的技術,包括地圖數字化技術、數字地圖數據讀取方法、計算網格生成技術、插值方法的選取、地形可視化技術以及計算結果修正方法等;最後本文提出了前處理系統的設計框架,並結合一個海岸動力數值模擬的研究實例,討論了前處理系統的具體應用。
  12. Finally, the fuel injection base map and a series of correction curves are obtained via analysing the data of test result acquired by the ecu monitoring software. the ecu fuel injection control strategy which can be applied to this type of engine is developed

    最後,通過分析臺架試驗所採集的數據,研究得出ecu噴油控制的基本噴油map圖和各種相關修正曲線,並研究了與該型號發動機匹配的噴油控制策略。
  13. 4. analysing the data of test result acquiring by the ecu monitoring software, the fuel injection base map and related correction curves are roughly delivered, the fuel injection control strategy for this type of engine is developed, and the flow chart of ecu control program for fuel injection control is also designed

    4 、分析監測軟體所採集的數據,分析電控燃油噴射系統工作參數之間的關系,得出比較粗略的基本噴油map圖和各種相關修正曲線,最後制定了適用於該小型二沖程汽油機的噴油控制策略,並給出了ecu噴油控製程序的流程圖。
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