擬合直線 的英文怎麼說

中文拼音 [nǐgězhíxiàn]
擬合直線 英文
fitting a straight line
  • 擬 : 動詞1. （設計; 起草） draw up; draft 2. （打算; 想要） intend; plan 3. （模仿） imitate
  • 合 : 合量詞（容量單位） ge, a unit of dry measure for grain （=1 decilitre）
  • 直 : Ⅰ形容詞1 （成直線的; 硬挺的） straight; stiff 2 （跟地面垂直的; 從上到下的; 從前到后的） erect; v...
  • 線 : 名詞1 （用絲、棉、金屬等製成的細長的東西） thread; string; wire 2 [數學] （一個點任意移動所構成的...
  • 直線 : 1. （不彎曲的線） straight line2. （急劇的） steep; sharp
  1. Adopting the assummation that the quark interaction is the sum of the usual one - gluon direct exchange and the mixture of linear scalar and vector potentials, we structure the relativistic corrections of order v2 / c2to the cornell potential, including the annihilation potential for the quark and antiquark of the same favors which plays the same role with the one - gluon direct exchange at short distances. the effects of the relativistic corrections on the hyperfine splittings of quarkonium states are discussed, and a good fit to the available experimental data is obtained on heavy quarkonium mass spectra

    采納庫侖勢源於單膠子直接交換，而線性禁閉源於標量和矢量的混合，同時考慮在短程區域與單膠子直接交換起同樣作用的同味正反夸克的湮滅，構造了靜態夸克-反夸克勢到v ~ 2 c ~ 2級次的完全相對論修正，並擬合計算了重介子偶素的能譜，討論了相對論修正對重介子偶素能級分裂的作用。
  2. First the sketch / datum plane is fitted by least - square distance, then the extruded direction or axis with the flank points of the cloud is extracted in quadratic paogramming arithmetic, and certain points projected to gain 2d sketched datas. feature points are defined to segment the sketch datas, and the sketch profile is generated by fitting separately the line and circle segment

    使用最小二乘方法擬合草圖基準平面，採用二次規劃方法提取拉伸方向和旋轉軸線，然後將數據點投影以獲取草圖數據，通過柵格劃分提取草圖邊界輪廓數據，再對這些邊界數據進行基於特徵點的分割，以直線和圓弧段擬合出草圖輪廓。
  3. It employs a series of processing methods. for example, it employs different method of threshold according to illumination and the characteristic of the dial plate ; employs the method of mathematic form filtering according to the thought of the line is the most important in image ; employs the method of beeline matching according to the characteristic of the line

    此系統利用了圖像處理的基本思想，採用了一系列的處理方法，如根據照度及表盤特點採用了不同的二值化方法；根據圖像中線條最重要的思想對圖像的濾波採用了數學形態濾波方法；根據線條特點提出了利用直線擬合的方法等。
  4. Presents a new method for fairing of curves which has a small flexibility based on fitting the derivative of second order of curves. we fit the derivative of second order of curves by a polynomial fitting, then find an indefinite integral of this polynomial to get a approach of curves. otherwise, we discuss the analyze of the error and the optimize of fairing to this arithmetic

    提出了一種針對小撓度曲線的逆向曲線光順演算法，該演算法直接擬合曲線型值點列的二階導數曲線，然後通過兩次積分來反求出光順后的曲線，並對該演算法的誤差分析、效果分析、光順優化等問題進行了深入探討。
  5. We can use the mm5 model in definite time, definite area weather forecasting. we conclude that : : the moving route of this necw in its developing progress was direct - south along latitude, the cold air is rough, and just this made the rough vertical velocity ; the necw southern moving and conflicting with the west pacification sub - tropical high makes rough jet steam. the plenty south - west warm and wet air made by the jet stream gave the rainstorm demanded vapor ;. the rough vertical velocity by jet stream is a main reason in this rainstorm ; the mm5 model uses four - direction analysis data as its input, this avoids some errors occurred in observe and transfer, thus made the result more useful

    綜合分析認為： （ 1 ） 、這次冷渦在其發生發展過程中，其移動路徑是沿經圈直線南壓，攜帶的冷空氣勢力較強，形成槽后較強的垂直運動； （ 2 ） 、西太平洋副熱帶高壓偏北位置與東北冷渦南壓形成的急流軸，把源源不斷的西南暖濕氣流輸送到遼西地區，也就是急流軸的左前方位置，為這次暴雨的產生提供了充足的水汽來源； （ 3 ） 、低空急流不但為暴雨輸送水汽，其造成的較強的垂直環流也是產生強降水的一個主要原因； （ 4 ） 、 mm5模式以四維同化資料作為初始場，最大限度地避免了觀測誤差可能造成的積分不穩定，提高了模擬結果的參考價值。
  6. A new fractal - based infrared image feature extraction method is presented and the detailed theoretic analysis and implement procedure of this algorithm is submitted and tested in some experiments. with the limitation of the line detection based on traditional hough transform that the information of the length and the end points of the line is unavailable, a new algorithm which makes use of the accessional strategy based on precognition information is put forward to meet the demand for more information of the line, simulation results show this method is effective. finally, the whole process of airport target recognition is presented and the result images are also given

    使用分形方法提取目標的特徵，在知識指導下，提出了一種基於目標特徵模型的降維的形態學分形維數計算方法，對傳統分形方法進行了改進，從理論上推證了演算法的合理性，並對演算法進行了模擬分析；針對傳統hough變換無法獲得線段端點和長度信息的局限性，提出了一種基於目標特徵先驗知識的hough變換融合策略，通過引入目標先驗知識，可以有效地獲得直線信息；對信息多而復雜的機場目標採用基於知識的目標識別方法，使用置信度模摘要型實現不確定推理，對目標進行識別判斷，將知識貫穿于整個識別過程中，對目標進行了有效地識別。
  7. Based on the results of the edge anchor, several segments of the height data are selected and linear polynomial fitting are done using least square approximant on these segments separately

    根據臺階邊緣檢測結果，選取部分采樣點數據，用最小二乘法進行直線擬合。
  8. First, this method decide the skew angle of a business card image according to four border fitting lines of the business card, then a method based on block move is provided to correct image and black border is erased based on position of border near - line

    該方法先檢測出名片的四條邊緣擬合直線，由四條邊緣擬合直線的傾斜角度來確定名片圖像傾斜角度，然後採用逐段整塊搬移的方法來對圖像進行傾斜校正，再根據邊緣擬合直線位置去除黑邊。
  9. ( 3 ) based on a close research of the cad model representation in mdt, this paper picks up the model information expressed in the boundary representation ( b - rep ) using the development kits of objectarx and mdt api offered by autodesk inc. ( 4 ) the direct slicing data are processed so as to realize the sorting and fitting of short lines, the cutting tool compensation, the layer contour filling and the optimization of the scanning paths, etc. ( 5 ) designs the architecture of rp data processing software according to the functional requirement of rp, and integrates all the functional modules

    （ 3 ）在深入研究mdt （ mechanicaldesktop ）中三維模型表示方法的基礎上，運用autodesk公司提供的mdt二次開發工具objectarx和mdtapi ，成功地實現了對mdt模型信息的提取，進而使直接自適應分層演算法得以實現。 （ 4 ）對直接分層得到的數據進行了工藝規劃。實現了對層片輪廓線段的排序、擬合、刀具補償以及輪廓內部填充和掃描路徑優化等。
  10. These properties make them ideal candidates for use in structure from motion algorithms. some known methods of line segment are integrated and an improved method is given. canny edge detector is used in this method to get edge, link the edge using freeman chain code, and then gradually delete useless chain code

    首先綜合邊緣直線分割的研究成果，給出了改進后的邊緣直線分割方法，該方法以圖像邊緣的鏈碼表示為基礎，逐步刪除對完成計算機視覺任務沒有意義的鏈碼，並用最小二乘法擬合成圖像直線。
  11. By combining randomized hough transforms ( rht ) and curve fitting method together, the geometric detection algorithms of lines, circles and ellipses are derived respectively and have advantages of automation, swift, precision and robustness as used in complex background

    將rht與曲線擬合有機結合，分別提出了直線、圓、橢圓檢測演算法，該演算法能在復雜背景下、全場范圍內，自動、快速、精確、魯棒地完成檢測任務。
  12. Pitch control system consist of three channels which is formed by three drive units. base on need of bench, drive system scheme is designed. single channel three - loop position servo system which is formed by linear motor is simulated. then kinetic behavior of rotor and system ’ s force coupling relation is analyzed. a compensation method for dynamic load which is caused by rotor rotation is presented base on structure - invarient theory

    根據實驗臺的技術要求，設計了整個驅動系統方案。對由直線電機構成的單通道三環位置伺服系統進行了設計和模擬。分析了旋翼運動的動力學特性、系統力耦合關系，並根據結構不變性原理對由旋翼運動產生的動態載荷提出了補償方法。
  13. The results indicated that the dimension, shape and purity of base material could meet the functional demand of solid lubricant ; the thermal decomposition temperature of ptfe resin exceeds 400 c, but organic and inorganic packing filler added in ptfe made the water absorption rate of composite material increased, melting temperature and decomposition temperature decreased, in the meanwhile oxidative decomposition reaction was accompanied ; polar groups such as c = o, c - o - c and so on in the carbon fiber surface is advantageous to increase compatibility with other components and interlayer shearing strength ; uniform design experimental method could help to find the relationship between formula and frictional property by relatively small tests. the developing trend of each formula ' s friction coefficient could be showed by fitting curve ; the friction coefficient with no copper powder or graphite in formula was relatively big. this fact showed that copper powder and graphite should be used cooperatively ; it was found that when the ratio of copper powder to graphite by weight is 15 : 60, 30 : 30 - 40 and 60 : 15 - 30 respectively, the friction coefficient was relatively small. the degree of crystallinity of pure ptfe reached maximum by air cooling and the abrasion loss also reached maximum among three ones ; at the same time, the abrasion loss of solid lubricant sample was also the biggest among three ones ; when solid lubricant matched with 45 # steel axle or gcrl5 steel axle, lubricant transfer film could be formed on metal surface, thus direct contact between the surface of metal friction pair rings was reduced. their working life was elongated extremely ; there was mainly much graphite, a little ptff, moo3, feso4, cus and so on in lubricant transfer film

    試驗結果表明：所選原料的尺寸、形狀及純度可滿足固體潤滑劑的性能要求；聚四氟乙烯樹脂熱分解溫度超過400 ，但在ptfe中加入無機填料會使復合材料吸水率提高，熔融溫度及分解溫度降低，且伴有氧化分解反應；碳纖維表面含有c = o及c - o - c等極性基團，有利於提高其與其它組分的相容性，提高層間剪切強度；均勻設計試驗方法能夠用較少的試驗次數找出配方與摩擦性能間的關系，擬合曲線基本能表示各配方的摩擦系數發展趨勢；配方中不加銅粉或不加石墨，其摩擦系數均較高，說明銅粉和石墨應該配合使用；當銅粉15份、石墨60份時，銅粉30份、石墨30 - 40份時，銅粉60 、石墨15 - 30份時，摩擦系數均具有較低值；純聚四氟乙烯樹脂在空氣冷卻時結晶度最大，磨損量也是三者中最大的；同時，固體潤滑劑試樣在空氣冷卻時的磨損量也是三者中最大的：不論是固體潤滑劑與45 #鋼軸配副或是固體潤滑劑鑲嵌入銅套后與gcr15鋼軸配副，在金屬表面均可形成潤滑轉移膜，從而減少金屬摩擦副表面間的直接接觸，大大延長其使用壽命;轉移膜中主要含有較多的石墨、少量聚四氟乙烯、 moo 。
  14. We calculate the regression curve about length of erased magnetic record and lightning current peak. we analyze the error of recording data and find a new means about direct measurement of the max lightning steepness with magnetic tapes

    作出磁帶消磁長度與霄電流峰值的擬合曲線，對測量數據進行誤差分析，找到利用磁帶直接測量靂電流最大陡度的新方潔。
  15. Four groups ’ measurement data are given based on built system, and the results and the error analysis of measurement range of 1. 5, angle step of 0. 06 is discussed in detail. a list table of fitting curve and angular displacement is given as well

    利用建立的測量系統給出了四組測量數據，詳細討論了測角范圍為1 . 5 、角度遞增0 . 06的測量結果與誤差，並給出標定擬合直線與角位移的查找表。
  16. If a higher accuracy resolution is required, the distances of points to the fitting line can be taken as the judgment standard, and the data eliminated noise points by hough transform can be simulated by the least square method

    當精度要求較高時，可將各擬合點到擬合直線的距離作為判別標準，對經霍夫變換剔除干擾點（或噪聲）后的數據點再進行最小二乘法擬合。
  17. A sub - circuit model for vdmos is built according to its physical structure. parameters and formulas describing the device are also derived from this model. comparing to former results, this model avoids too many technical parameters and simplify the sub - circuit efficiently. as a result of numeric computation, this simple model with clear physical conception demonstrates excellent agreements between measured and modeled response ( dc error within 5 %, ac error within 10 % ). such a model is now available for circuit simulation and parameter extraction

    從vdmos的物理結構出發建立子電路模型，進而導出描述其交直流特性的參數及模型公式.相對以往文獻的結果，該模型避免了過多工藝參數的引入，同時對子電路進行了有效的簡化.在參數提取軟體中的加載結果表明，該模型結構簡單，運算速度快，物理概念清晰，擬合曲線與測試數據符合精度高（直流誤差5以內，交流誤差10以內） ，適于在電路模擬及參數提取軟體中應用
  18. Abstract : a sub - circuit model for vdmos is built according to its physical structure. parameters and formulas describing the device are also derived from this model. comparing to former results, this model avoids too many technical parameters and simplify the sub - circuit efficiently. as a result of numeric computation, this simple model with clear physical conception demonstrates excellent agreements between measured and modeled response ( dc error within 5 %, ac error within 10 % ). such a model is now available for circuit simulation and parameter extraction

    文摘:從vdmos的物理結構出發建立子電路模型，進而導出描述其交直流特性的參數及模型公式.相對以往文獻的結果，該模型避免了過多工藝參數的引入，同時對子電路進行了有效的簡化.在參數提取軟體中的加載結果表明，該模型結構簡單，運算速度快，物理概念清晰，擬合曲線與測試數據符合精度高（直流誤差5以內，交流誤差10以內） ，適于在電路模擬及參數提取軟體中應用
  19. Then a fast computing method is presented to estimate the curvature of edge points and the points at which curvature is less than some threshold are collected to fit lines

    為提取直線邊緣，使用改進的序列細化演算法將邊緣細化為單像素寬，而後用一種快速曲率估計方法估算邊緣點的曲率，並保留估算值很小（約等於零）的點擬合直線。
  20. By studying the characteristics of the eddy displacement sensor, it adopts the control method which include using the fitting line of sensor ' s output characteristic curve in certain block as control characteristic curve, and stipulating door limit district and a certain of backward overshoot, the stabilization of welding torch is gained under the certain track precision

    摘要通過對渦流式位移傳感器的特性研究，採用以傳感器輸出特性曲線在一定區間內的擬合直線作為控制特性曲線、設定規定門限區和一定反向調節量的控制方法，得到了在保證一定的跟蹤精度條件下的焊槍穩定。
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