distortion model 中文意思是什麼

distortion model 解釋
畸變模型
  • 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
  • model : n 1 模型，雛型；原型；設計圖；模範；（畫家、雕刻家的）模特兒；樣板。2 典型，模範。3 （女服裝店僱...
  1. On the basis of the basic theory of metal distortion, using round steel alit rolling as entity model and combining with production practice, the selection of slit location, slit mode and the design parameter of slit pass system were analyzed, and the area calculation model of pre - slit rolled piece and slit rolled piece was built

    摘要基於金屬塑性變形基本理論，以圓鋼雙線切分為基本實體模型，結合生產實踐，對切分位置、切分方式的選擇和切分孔型系統的設計參數進行了分析，並建立了預切分軋件和切分軋件的面積計算模型。
  2. By the calculating of the distorted models and the undistorted model of the circumfluence, the effect of the distortion ration on the flow is analyzed

    採用平面二維模型，在數學模型的基礎上，計算變率使河工模型彎道水流在相似性上產生的影響。
  3. Base on the mathematic model of load - deflection relationship of the rectangular membrane, micro balloon actuator ' s theory curve of pressure - deflection has been calculated and plotted. after the simplified geometric model of microactuator was set up, by utilizing ansys mooney - rivlin hyperelastic model, nonlinear structural distortion of silicone rubber can be solved

    通過建立氣泡薄膜的幾何簡化模型，針對硅酮橡膠的材料非線性特點，選用了適合橡膠類材料的mooney - rivlin超彈性模型，運用ansys軟體對這一非線性結構變形進行了求解。
  4. To solve these problems, a fem preprocessing system in materials joining process has been developed in this dissertation. based on this system, a welding numerical model of a missile ’ s oil box has been established and the structure ’ s distortion rules after welding have been analyzed

    本文針對這一現狀開發了一個專門針對焊接過程數值模擬的有限元前處理系統，並應用該系統建立了某型號導彈油箱結構的焊接有限元模型，分析了該結構的焊后變形規律。
  5. The flow dynamic axis in the distorted models is smoother than that in the undistorted model, while the flow horizontal gradient in the distortion model is smaller than that in the undistorted model

    在河工模型的條件下，選取不同變態模型，對環流進行了計算，研究了變率對彎道水流的相似的影響，並給出了初步分析。
  6. During the research on image distortion correction, the paper receives a good result on camera calibration by improving the traditional barrel distortion model, and expands the current theories on image distortion correction

    在圖像失真校正的研究中，本文對傳統的桶形失真模型進行了改進，取得了較好的校正效果，擴展了現有的圖像失真校正理論。
  7. 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。
  8. 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。
  9. In the application of mini - micro - robot visual perception, there is a need for fish - eye lenses for capturing wide field of view for navigation. though fish - eye lenses provide a wide field of view ( 180 ), they introduce significant distortion in images and the acquired images are quite warped, which makes conventional camera calibration algorithms no longer work well. this paper presents an accurate calibration framework for fish - eye lens ( a high distortion lens ) camera stereo vision system. the accurate calibration model is formulated with radial distortion, decentering distortion and thin prism distortion based on the fisheye deformation model. using fish - eye and non - linear camera model, the author employs levenberg - marquardt method to realize precise non - linear calibration for wide - view - scene dense depth image recovery

    魚眼鏡頭成像立體視覺系統在微小型機器人視覺導航和近距離大視場物體識別與定位中有著廣泛的應用.盡管魚眼鏡頭攝像機具有很大的視場角（接近180 ） ，但同時也引入嚴重的圖像變形，常規的攝像機標定方法無法使用.該文提出一種標定魚眼鏡頭攝像機立體視覺系統的方法.在魚眼鏡頭變形模型的基礎上，通過考慮魚眼鏡頭成像的徑向變形、偏心變形和薄棱鏡變形，建立了魚眼鏡頭成像的精確成像模型，然後，利用非線性迭代演算法，精確求解攝像機外部參數、內部參數.實驗表明，使用該方法得到的立體視覺系統參數滿足精確恢復大場景稠密深度圖的要求
  10. In chapter 5, a new dynamic wake model is developed by employing the rotor free - wake method in chapter 2, and is used to investigate the curve distortion during the conversion of tiltrotor aircraft between helicopter flight conditions and airplane flight conditions

    在第二章方法的基礎上，第五章建立一個傾轉旋翼動態尾跡模型，使用該模型對傾轉旋翼機傾轉過渡狀態的尾跡彎曲變形進行了研究，得出了一些結論。
  11. A cyclic radial shearing interferometer was used to diagnose the wavefront distortion of a laser system and an lcslm ( liquid crysnd spatial ligh modulator ) was used to control it. some results have been summarized as follows : l. according to the theory of scalar quanity diffeaction and the model of the random gaussian phase screen of low frequency wavefront, the effect of the low frequency wavefront with different rms gradient on the focal spot of a laser beam was studied

    本論文在激光光束波前畸變檢測和控制上進行了新的探索，主要就空間相位調制環路徑向剪切干涉儀以及它對波前畸變的檢測和液晶空間光調制器及其對中頻段波前畸變的控制進行了研究，其研究的內容和取得的成果如下：一、根據標量衍射理論，結合低頻波前畸變的高斯隨機位相分佈模型，研究了不同均方根梯度低頻畸變波前對激光光束焦斑聚焦性的影響，並採用描述中頻段波前畸變的功率譜密度概念，模擬計算了它對激光焦斑旁瓣的貢獻。
  12. It is suggested that the time distortion ratio should be controlled in river model design ( in this model, m1 = 2 ~ 3 is suitable )

    並提出了河工模型設計中有關時間變態率控制的建議（在本模型條件下， m _ t = 2 3為宜） 。
  13. ( 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。
  14. Yong ' s module and quality were taken into account for the calculating of branch distortion, and physical model was constructed to simulate the real configuration of the trees in the affect of gravity and wind

    為模擬樹在重力及風中的形態，根據材料力學建立了枝條的受力計算模型，將楊氏模量、質量等因素考慮在枝條形變的過程中，取得較好效果。
  15. The error propagation path is changed because that the different substream sets are selected for specific spatial and temporal resolution, but this rate - distortion model is adaptive with different error propagation paths. we can easily estimate the distortion at different error propagation situation

    盡管在復雜的可擴展視頻編碼技術中，誤差傳遞路徑會隨著選擇播放的子碼流集不同而變化，本文建立的模型卻能夠自適應誤差傳遞路徑的變化，估計出較為準確的失真信息。
  16. In chapter 2, the following aspects are introduced in detail : the camera ' s pin - hole model, its distortion model, modified dlt algorithm, the programming, calibration performance of index and the designing of the experiment. moreover, several experiments are made to examine the measurement accuracy. finally, the paper discusses error analysis of this system

    在第二章里，對攝像機針孔及其畸變模型、直接線性變換（ dlt ）改進演算法、程序設計、定標性能指標等幾方面的內容都做了詳細介紹；而且，論文中詳細闡述了實驗步驟，通過幾個實際算例驗證了系統的定標精度，並做了誤差分析。
  17. The thesis discusses the rate control arithmetic of mpeg - 4 based on quadratic rate distortion model, and then presents a rate control arithmetic of i frame and improves the adjust policy of quantisation param

    本文針對低帶寬的應用要求對原演算法進行改進，增加了對系統性能影響比較大的i幀的碼率控制模型，並考慮場景變化的影響，對量化值的調整方法進行了改進。
  18. Based on the above purpose, in this paper, aiming at the questions in the past landslide prediction, such as sole research technique, backward method and theory achievement with weak practical, application and so on, time prediction and evaluation of landslides is emphatically researched from quantitative, qualitative and numerical modeling three aspects on the basis of widely consulting the domestic and foreign documentation and material related to landslides forecast. according to landslide monitor material, landslide quantitative prediction is realized by using landslide prediction and evaluation models ; on the basis of experts " experience knowledge, landslide qualitative prediction is realized by using the method and way of expert system ; landslide numerical prediction is realized by using simulation method to establish geology - mechanics - distortion model ( gmd )

    基於上述目的，本論文針對過去滑坡預報的研究方法單一、手段落後，理論成果的實際應用性不強等問題，在廣泛查閱國內外有關滑坡預測預報文獻資料的基礎上，著重從定量、定性和數值模擬三個方面對滑坡的時間預測預報開展研究：依據滑坡的監測資料，運用滑坡預測預報模型實現了滑坡的定量預報；以專家的經驗知識為依據，運用專家系統的方法和手段實現了滑坡的定性預報；利用數值模擬手段，通過建立滑坡的地質?力學?變形模型（ gmd模型）實現了滑坡的數值預報。
  19. We take h. 264 scalable extension as example to analysed the bitstream structure and error propogation path and create the adaptive rate - distortion model. complying with the presented scalable video stream model, the file format for scalable video is proposed based on iso base media file format, which is simple and flexible enough to address the demands of scalable video application

    最後，本文以基於h . 264的可擴展編碼技術為例，分析其碼流結構和誤差傳遞路徑，建立基於h . 264的可擴展編碼自適應率失真模型，設計了兼容國際標準的可擴展視頻編碼文件格式。
  20. Based on the distortion model in which the radial geometric distortion is considered as the chief factor, a general correcting method that is independent of interior parameters of the imaging system, is given and discussed in this paper via a detailed analysis of the factors which largely influence the accurate measurement of distortion parameters

    以徑向幾何畸變為主的非線性幾何畸變模型為基礎，通過對影響畸變參數測量精度的各種因素的分析，提出了一種不依賴于成像系統內部參數的迭代演算法。
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