scale distortion 中文意思是什麼

scale distortion 解釋
比例尺變形
  • scale : n 1 （尺、秤等上刻劃的）分度，度數，標，標度，刻度；尺寸；尺，尺度。2 【音樂】（標度）音階；音列...
  • 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. For the anticounterfeiting of printings ( such as certificate ), the existent many ways ( such as rainbow holograms ) are not available as the need for special use : anti - distortion and anti - copy. basing in the double - random - phase transform, this article puts forward a new way that two - dimensional bar code is used as anticounterfeiting label with anti - printing ? scanning and anti - damage properties. the major job are : ( 1 ). basing in the ascii codes, numerals and alphabets are encoded and subsequently transformed into two - value bar code matrix figure. later, using amplitude - based double - random - phase transform, the enciphered gray scale figure is formed. by computer simulation ( 4f system ) and printing as well as scanning ( 20 times ), we get the result that the gray scale figure with little miscoding rate ( 0. 0026 ) by “ matrix expanding way ”

    本文主要開展了以下三項研究工作: （ 1 ） .用自定義編碼方案，將數字和字母（ ascii碼）轉換成二值條碼圖;對該圖形進行振幅型雙隨機相位加密變換，得到原信息的加密灰度圖;通過4f光學系統計算機模擬和列印-掃描實驗，證明本文提出的「矩陣擴展法」灰度圖具有較小的誤碼率，對於20次列印-掃描實驗，誤碼率不大於0 . 0026 。
  2. Second, an adaptive rate - distortion model is proposed by extending directed acyclic graph model for fine granular scalable video coding. we add rate, original distortion and adaptive scale to the directed acyclic graph model

    其次，針對精細粒度可擴展視頻編碼技術，本文擴展有向無環圖模型，在該模型中加入碼率，原始失真和自適應因子等屬性，建立了自適應率失真模型。
  3. The result of the model shows that ( 1 ) asymmetric information will lead to a higher market price and a lesser network expanding scale and ( 2 ) the basic conclusion will not change except that distortion may become bigger or smaller when collusions are introduced

    模型結果表明：非對稱信息會導致市場價格上升和網路擴張規模縮小；在考慮合謀后，基本結論並不發生變化，但扭曲幅度可能變大也可能變小。
  4. ( 2 ) a series of experiments on time scale distortion are made with real river model, inflow and outflow boundary condition, and continuous simulation. by means of analysis of the experimental data on model water level, water - surface gradient, cross velocity, outflow discharge process and the sediment transportation capacity, the main physical reasons for the above hydraulic parameters deviations caused by time scale distortion are illustrated : response delay of model channel storage capacity and rate of water level with time

    （ 2 ）採用真實的河工模型和入出流邊界控制條件以及連續模擬的方法進行了有關時間變態率的系列試驗，通過模型水位、比降、流速、出口流量過程線和斷面挾沙力試驗資料的分析，闡明了時間變態引起上述各種水力參數偏離的主要物理原因：模型的槽蓄響應和洪水過程時間變化率的響應滯后。
  5. But there are still some blemishes existing in the formation mechanism of rmb exchange rate, such as the distortion in formation mechanism of rmb exchange rate, the lack of flexibility, the deficiency of no canonical scale provided for the adjustment, high cost to maintain the rate, the increment of society trade transaction cost and so on

    盡管現行人民幣匯率形成機制基本上符合中國國情，對促進經濟發展發揮了重要的作用，但是實事求是地看，人民幣匯率形成機制存在匯率形成機制扭曲、匯率缺乏靈活性或彈性、匯率調整缺乏準確依據、較高的維持成本、增加社會交易成本等缺陷。
  6. With the summary on the practice, this article points out that excessive stiffness and distortion of space scale exist in today ' s architecture of administration buildings

    摘要該文通過對實踐的總結，指出當今行政辦公樓建築存在過于嚴肅刻板、空間尺度失真等問題。
  7. Farther, applying the simulating method of the experimental plate validated by experiment, according to the processing of underside machining, top surface machining, and different machining sequences of the different trough on the scale component, the different machining processes of the scale component are simulated, its different distortion values caused by residual stress are get

    研究了隔框比例件在不同材料去除過程中由殘余應力釋放引起的變形問題。對底面加工、槽面加工時殘余應力釋放引起的變形進行數值模擬，得到了殘余應力對隔框構件加工變形影響最小的材料去除方式。
  8. The linear scale before and after log is an effective way to inspect the reality and accuracy of the log curves, such as downhole signal ' s amplitude limit or not and serious distortion, the variable density logging tool ' s signal linear amplification and working stability

    測前、測后線性刻度對分析、判定變密度測井曲線的真實性與準確性體現在對井下波列的限幅與畸變程度、檢測儀器的線性放大狀態和穩定程度。
  9. But, though considerable process has been made in the last ten years, digital watermarking is still in its infancy, and much interesting work remains to be done this thesis addresses some problems in the gray - scale image digital watermarking that are summarized below : 1 ) whereas the basic theory of digital watermarking is still very poor, a digital watermarking mathematic model based on imperceptibility and robustness is presented by analysising the characteristic of digital watermarking ; 2 ) based on the model constructed above, by defining the measures of capacity and robustness of digital watermarking, an objective method for evaluating the digital watermarking is introduced and used to analysis some algorithms ; 3 ) whereas geometric distortion always influences the restoration of watermark, we advocate to enhance the robustness against geometric distortion by restoring the image which has been distorted by geometric transformation, and a method is designed for estimating the parameters of geometric transformation ; 4 ) based on the conclusion discussed above, and combined with the masking effects of hvs, a novel public meaningful gray - scale image digital watermarking is designed by analysising the characteristics of image gray - scale interpolation and haar wavelet transformation. the experimental results show that the method is indeed powerful ; 5 ) whereas many image digital watermarking schemes, which embed watermark by modifying the values of pixels in spatial domain and transformed domain, are confronted with the conflict between the imperceptibility and robustness, we advocated to use some stable digital characteristics of host image as watermark and a algorithm based on hermite matrix is designed

    本文重點對灰度圖象數字水印技術進行研究，主要工作如下： 1 ）鑒于目前數字水印的理論研究比較薄弱的現狀，本文通過分析數字水印的特點，建立了一個數字水印的數學模型，為進一步研究數字水印打下了基礎； 2 ）根據以上建立的模型，通過引入容量和穩健度的概念為數字水印提供了一個客觀評價方法，並對一些數字水印演算法進行了分析； 3 ）為增強數字水印抵抗幾何攻擊的能力，研究了受幾何攻擊的圖象的復原問題，並給出了一個計算圖象幾何變換參數的方法； 4 ）通過分析圖象灰度插值演算法和haar小波變換的特點，結合hvs的掩蔽效應，設計了一個公開的有意義數字水印演算法，實驗結果表明本演算法具有較強的穩健性； 5 ）目前許多水印演算法都是通過在空域或頻域修改象素值的方法嵌入水印的，這種方法面臨著透明性和穩健性的矛盾，為解決這個矛盾，本文提出以圖象的某些穩定的數字特徵為水印的觀點，並結合hermite矩陣的特點設計了相應的水印演算法，實驗結果表明該演算法具有較好的穩健性。
  10. By means of wide investigation, instruments development, a series of model experiments and relative theory analysis, following results are obtained in river model time scale distortion ratio, model roughening, inflow and outflow controlling methods and equipment, new water level and velocity measuring technique, model automatic measuring and controlling system : ( 1 ) with the aid of configuration software, a large scale river model automatic measuring and controlling system is developed, realizing river model automatically controlling and basic hydraulic parameters automatically measuring

    本文通過廣泛調研、儀器研製、系列模型試驗和相關的理論分析，在河工模型時間變態率控制、模型加糙、出入流檢測方法和設備、水位流速測量新技術、模型自動測控系統等方面取得了下列成果： （ 1 ）應用工控組態軟體技術，開發了一套大型河工模型自動測控系統，實現了模型內外邊界的自動控制和基本水力參數的自動量測。
  11. Effects of different digital motor truck scale by the scale body bending and distortion

    秤體彎曲變形對兩種不同結構的電子汽車衡的影響
  12. The node force corresponding to damp was used to control the mesh distortion. numerical studies show that the method proposed by this paper can successfully control the severe distortion of mesh and retain the density of elements during the membrane form - finding when the damp viscosity coefficient is in a limited scale. especially this method can avoid the sparseness of mesh in the location of lower curvature and have good convergence characteristic

    同時針對找形分析中的動力鬆弛格式，本文提出了全新的控制網格變形的動力鬆弛法，此方法能夠有效地解決膜結構找形分析中網格的大變形問題，克服了在曲率較小處網格過于稀疏的缺陷，在曲率較小處保證了單元的密度和初始構形的精度，並且收斂性較好，為準確進行荷載分析和裁剪分析奠定了基礎。
  13. On the base of wavelet multi - scale analysis based image registration method, also the other techniques like invariant moment, image selection and genetic algorithm are studied. that ga deceptive problem exists when gas is applied to image registration, and invariant moment is invalid when image gray distortion exists are clearly indicated

    以小波多尺度匹配演算法為基礎本文還研究了遺傳演算法、不變矩、圖像選擇等技術在圖像匹配中的應用，明確指出了遺傳演算法在圖像匹配應用中存在ga難問題，以及在有灰度失真的情況下不變矩的失效性。
  14. The main body of the algorithm is the one based on wavelet multi - scale analysis, which obtained good performance in the conditions of noise added, small geometry distortion and significant gray distortion

    演算法的主體是基於小波多尺度分析的分層匹配演算法，在存在噪聲、小的幾何失真和嚴重的灰度失真的情況下取得了良好的匹配性能。
  15. Now people are adopting the simulation test to resolve this question. and, withal, 1 : 1 scale specimen can be employed in simulation test that can avoid appearing the " distortion " in the scale - down test. in simulation test, the same test can be made times without number and results of test are more full - scale and exact

    而且它可以進行1 ： 1的模型試驗，避免出現進行小比例試驗所產生的「失真」現象；它還可以反復多次進行同一個試驗，能夠更加全面觀察模型上所有點的受力情況，能夠更加準確測量出模型的變形和應力。
  16. As well as, using vector operation substitute scale operation in order to improve compression rate condition on keeping on distortion. by tool of vc + + simulate the result of research. finally, compared with jpeg, we can draw on a condition : using dct table substitute dct calculate and using vector operation substitute scale operation which can attain that is high compression rate and steady distortion

    其中，在dct變換中通過使用dct查詢標的方式代替dct常規變化，達到減少計算機乘除運算次數的目的；量化過程中通過使用矢量量化代替標量量化，達到在保證最小失真度的前提下提高壓縮比，並因此省略了jpeg壓縮中的熵編碼過程，簡化了壓縮過程，同時獲得最佳壓縮效率。
  17. Having studied the data tables, we got the relation between optical correlation s / n and distortion parameter ( scale rotation azimuth ) and then constructed the proper rfl, and so the puzzle of distortion of 3d objects in practical opr system is now resolved

    從實測數據出發，得出了opr對畸變參數（比例畸變、旋轉畸變、方位角畸變等）的寬容度，並由此構成了與之相適應的參考濾波器庫，從而解決了實用系統中的三維畸變目標問題。
  18. Calibration for camera scale factor and optical center based on the central non - distortion zone

    基於中心無畸變區的攝像機比例因數和光學中心的標定方法
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