線段擬合 的英文怎麼說

中文拼音 [xiànduàn]
線段擬合 英文
line fitting
  • : 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...
  • : Ⅰ量詞(部分) section; segment; part; paragraph; passage Ⅱ名詞(姓氏) a surname
  • : 動詞1. (設計; 起草) draw up; draft 2. (打算; 想要) intend; plan 3. (模仿) imitate
  • : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
  1. Method of deal with data error by subsection curve fitting and discrete degree

    與離散度加權的數據誤差處理方法
  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

    使用最小二乘方法草圖基準平面,採用二次規劃方法提取拉伸方向和旋轉軸,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,以直和圓弧出草圖輪廓。
  3. The laser radar sub - system determines the heights of the tsp according to the slant height and the oblique angle measured by the laser range finder and the electronic theodolite simultaneously. by lucubrating the motion law of tsp, we decided to compute decent velocities with least - squares procedure & two ranks curve fitting

    地面激光雷達跟蹤測量分系統根據測量到的斜距離和俯仰角確定末敏彈傘彈系統的高度,在深入研究末敏彈穩態掃描過程的運動規律后,通過最小二乘法的二階分,計算出落速。
  4. 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理性,並對演算法進行了模分析;針對傳統hough變換無法獲得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變換融策略,通過引入目標先驗知識,可以有效地獲得直信息;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。
  5. We select ni / cr alloy resistor as element together with ceramic embedding hearth ; select small flat - and - disc heat - even hubby ceramic sample holder, select ni / cr & ni / si thermoelectric couple ( type k ) as thermoscope with threads 0. 5 mm in diameter which is installed in the middle of the holders symmetrically ; select aluminum silicate fire - retardant fiber as materials for heat preservation ; design some hardware, for example temperature controller & transporter, signal amplifier etc ; design controlling curve to heat stove ; and introduce the method of least squares nonlinear regression and subsection function to deal with data. in order to obtain the reasonable operation conditions and operation curve, we have also done many theory analysis and experiment discussions

    通過理論和試驗探討,選用鎳鉻金電阻絲作為加熱元件,配以陶瓷質埋入式爐膛;選用陶瓷質小尺寸扁平?圓盤均熱塊體型樣品支持器;選用0 . 5mm絲徑鎳鉻?鎳硅熱電偶( k )作為測溫元件;熱電偶對稱安置在樣品支持器容器的中部;選用硅酸鋁耐火纖維作保溫材料;理選用和設計了溫度控制器、溫度變送器、信號放大電路等硬體;採用升溫曲來控制爐膛供熱過程;採用最小二乘法非性回歸與分函數相結的曲方法,進行圖形處理。
  6. 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,由四條邊緣的傾斜角度來確定名片圖像傾斜角度,然後採用逐整塊搬移的方法來對圖像進行傾斜校正,再根據邊緣位置去除黑邊。
  7. ( 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。實現了對層片輪廓的排序、、刀具補償以及輪廓內部填充和掃描路徑優化等。
  8. After analyzing the switching characteristic of mosfet, the object function of optimizing curve of the output capacitance coss is confirmed according to the switching loss caused by output capacitance coss, then the optimized curve of the output capacitance coss is ascertained by applying zoutendijk to seek the optimized value with constraint ; the simulation of switching circuitry and dc - dc circuitry is tested at different frequency in pspice, then the least square method is adopted to fit simulation curves to calculate corresponding energy data

    在電子路模軟體pspice中進行了mosfet開關電路以及典型dc dc轉換路模測試,針對不同頻的測試結果,採用最小二乘法對模進行,計算出相應的能量數據,最後綜結果確定出減小器件開關損耗,提高dc0c轉換路效率的器件輸出電容cob優化曲
  9. Then the measured frequency characteristic can be converted to high accurate transfer function with curve fit method, rational initial parameters choice and fitting in different frequency range method

    使用曲方法,輔助以理的初始參數選取及分方法,將測量得到的控制對象頻率特性轉化為高精度的傳遞函數。
  10. A new method of line - spectrum extraction of ship radiated - noise based on part imitate was proposed in this paper

    摘要提出了一種基於分的提取艦船噪聲信號功率譜中譜特徵的方法。
  11. Using vogel ' s wear index as the rail side wear index, the paper analyzes the side wear variations of rail head when the parameters in the wheel / rail system vary, analyzes the influences of track irregularity on rail uneven wear on gauge corner emphatically. this paper analyzes the rail side wear dates measured by track division of shan hai guan since 1990, then gains the relationship between side wear and traffic volume and sums up the characteristics and regularities in the formation and development of side wear. in the end, some measures for regarding the side wear on curves are put forward

    從輪軌摩擦、輪軌接觸幾何關系、輪軌接觸應力和輪軌蠕滑等方面對鋼軌側面磨耗機理進行了探討,從軌道幾何參數、機車車輛運營條件等方面對鋼軌側面磨耗的影響因素進行了重點分析和總結;應用輪軌系統動力學,建立了輪軌空間耦振動時變模型,採用vogel側磨指數作為鋼軌側磨指標,系統分析了輪軌參數變化的情況下,軌頭側面磨耗的變化規律,重點分析了軌道不平順對鋼軌不均勻側磨的影響;對山海關工務1990年以後現場測得的曲鋼軌側磨數據進行了分析,通過得到了鋼軌側磨量與運量的關系曲,並總結了曲上股鋼軌側面磨耗的特徵和發生、發展規律;最後提出了一些減緩曲鋼軌側面磨耗的措施。
  12. Fitting results of three non darcy seepage models including three - parameter model, power exponent model and two - section model were pretty good, and broken line model could be simplified to the forms of linear permeability model and darcy model

    試驗與分析結果表明,三參數模型、冪指數模型和非性分模型這3種非達西滲流模型的效果較好;折滲流模型簡單實用,在特殊情況下可以簡化為性滲流模型或達西定律。
  13. General method of similar sequence mining based on time series is to transform time series into discrete character series and cluster them into different sets, then compute the euclidean distance between querying series and these sets to measure their similarity

    摘要時間序列數據庫中相似子序列的搜索,常用滑動窗口、分形插值逼近等方法將時間序列分割成各子序列,各分子序列,計算查詢序列與各子序列的歐氏距離,滿足距離閾值條件的為相似子序列。
  14. By using auto - adjusting boundary conditions and the method of three cubed spline curve fitting, the system software can recover both of the horizontal and vertical beam profile. the measurement system can also measure the beam landing screen error of cpt. it provides a important measurement and analysis tool to improve the performance of electron gun and dy, and improve the definition of cpt

    系統軟體中,提出了採用動態確定邊界條件,通過對離散采樣點的三次樣條插值曲恢復束斑x和y方向的輪廓,本系統既能準確客觀地描述電子束輪廓,又能夠準確快速地測量電子束著屏誤差等多種參數,為cpt電子槍和偏轉系統的性能改進與解析度的提高提供了有力的測試分析和研究手
  15. The linear least square fit is used in energy calibration and geometry calibration, and the nonlinear least square fit is used in peak fitting and region fitting

    其中能量刻度與幾何刻度時採用了性最小二乘法,而能峰與譜時採用了非性最小二乘法。
  16. 4. the author particularly discussed the drafting method of involute, using spline which is defined by many points to construct involute. compared with other involute defined by arc or straight line segment, the precision of this kind of involute is improved evidently

    4 .對齒輪漸開的造型方法進行了詳細的分析研究,用多點定義的spline來構造漸開,與用圓弧或直線段擬合方法相比,漸開的精度得到顯著提高。
  17. The method using the part imitate extract the continuous spectrum of the signal spectrum, than extract line - spectrum from the relatively flat line - spectrum by subtract it from the former spectrum

    該方法利用分方法出信號功率譜的連續部分,從原始功率譜中減去連續譜得到拉平的譜分佈,然後進行譜特徵提取。
  18. Finally, some methods of digital processing techniques, such as polynomial curve fitting and exponential curve fitting and subsection curve fitting, are used firstly to compensate the performance of the detector. the measurement accuracy of the reader is improved, with the validity proved

    首次運用了多項式曲技術、指數曲技術以及採用分的技術,補償檢波器的性能,提高了通信系統的測量精度,應用效果顯著。
  19. Secondly, against the problem that the linearity of inductive micrometer is poor in wide ranges, it compares with the usual methods of non - linearity compensation, and then determines the method used in the system based on the research of characteristic curve of sensor in detail. then, it gives the detailed designs of the embedded application software and the arithmetic of non - linearity compensation. finally, the paper deals with experimental data and analyses the experimental results, with a conclusion shows that the polynomial fitting is a useful method to solve non - linearity of inductive micrometer

    首先,針對電感位移傳感器數據處理量大、實時要求性高的特點,確定採用嵌入式處理晶元pxa271作為處理器,並根據實際需要確定性能指標;然後,針對電感位移傳感器在大范圍內性度差的問題,通過對常用的非性補償方法進行比較,在詳細研究傳感器特性曲的基礎上,選用分多項式的方案進行補償;在此基礎上,對嵌入式應用軟體設計給出了詳細的設計流程和分析說明,最後,對設計的系統進行實驗和數據分析,處理的結果滿足設計的性能指標,說明分多項式的方法在解決電感微位移傳感器非性問題上是可行的。
  20. During the course of laser strip skeleton images fitting, the problem of adaptive segment segmentation is resolved, and well robust line segmentation method is present

    在激光條骨架圖像分的過程中,重點解決了端點的自適應分割問題,提出了高魯棒性的直分割方法。
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