geometric error 中文意思是什麼

geometric error 解釋
幾何誤差
  • geometric : n. 有幾何圖形的東西。adj. 1. 幾何學的,幾何圖形的。2. 按幾何級數增長的。adv. -rically
  • error : n. 1. 錯誤;失錯。2. 謬見,誤想;誤信;誤解。3. 罪過。4. 【數學】誤差;【法律】誤審,違法;(棒球中的)錯打。adj. -less 無錯誤的,正確的。
  1. New yield equation based on geometric midline of error triangles between tresca and twin shear stress yield loci

    和雙剪應力兩軌跡間誤差三角形中線確定的屈服方程
  2. But they are very sensitive to image noise and points delocalization error. in order to use the invariants, the local geometric constr aint must be added

    但同時,由於興趣點的局部灰度差分不變量對噪聲及點位置偏差很敏感,所以在做實際圖像匹配時必須加上局部幾何限制。
  3. Because parallax and registration error after geometric rectification and global registration result in local disconformities, discontinuity or morphing, a proper synthesis strategy must be selected to remove the parallax in the mosaic

    摘要為了消除視差圖像拼接后的局部不一致、不連續或變形,提出一種視差拼圖最優合成拼縫搜索策略。
  4. In this study, two geometric correction methods are introduced. based on the characteristics of modis data, geo - location of the experimental area, and the error distribution patterns of different projections, we conclude that the albers conical equal area projection is feasible for the geometric correction

    並對製作我國modis遙感影像圖時的投影方式選取問題進行了討論,通過分析modis數據的特點和用途、根據應用區域的地理位置以及各種投影方式的誤差分佈模式,確定在幾何校正的過程中使用亞爾勃斯( albers )等積圓錐投影。
  5. If the geometric hermite data is from a smooth function with the arc - length parametric, the cubic ph approximates the smooth function, the error in the approximation of a short segment of length h is found

    如果此三次ph曲線插值于以弧長為參數的某一函數曲線,則可以給出三次ph曲線逼近該一小段曲線的逼近誤差。
  6. With energy method, we can conveniently control the precision of the objective surface and add boundary constraints for preserving the model ' s global geometric continuity, but this method is very time - consuming. stiffness adjustment is the easiest method to be implemented and the fairing result is always satisfying except that the acquired surface editing is awkward. based on wavelets decomposition, the surface model ' s data size can be compressed efficiently and this method is running fast, however, the error and boundary constraints are difficult to be considered

    其中基於能量原理的光順方法能夠方便地控制目標曲面的精度和邊界條件,從而能夠實現曲面模型的全局連續性,但是能量法的運算速度還有待提高;剛度調整法實現簡單,但是生成的曲面的可編輯性較差;小波分解方法計算速度很快,能夠有效地實現數據壓縮,但是其逼近誤差和邊界條件卻難于控制。
  7. A detailed geometric analysis of obstacle detection system for alv was presented by considering the safety requirements of alv. the ranging error caused by various environmental factors and inevitable vibration of alv was discussed as well

    然後將障礙檢測子系統和alv整體結合在一起,從系統的角度對障礙檢測的要求進行了分析,並討論了各種環境因素和alv車體運動對lms激光測距雷達測距造成的誤差影響。
  8. The error compensation software for cam precision grinding has been developed, and results show that the cam grinding accuracy can be ensured and the productive can be improved. ( 1 ) by using the method of movement error analysis of mbs, the geometric error model of sk - 21 nc machine tool has been established, and the calculation equation for precision processing of nc machine tool has been derived, which lays a good foundation of programming the error compensation software

    基於該磨床目前的狀態和已有的研究成果,本課題展開了以下主要研究工作: ( 1 )以多體系統運動學理論為基礎,建立精確的sk - 21數控凸輪磨床運動模型,全面考慮各項結構誤差和運動誤差對加工精度的影響,推導出精密加工約束條件方程,揭示機床實精密加工的實質。
  9. Technology for enhancing the grinding accuracy of precision cam by geometric error compensation method

    提高精密凸輪磨削精度的幾何誤差補償技術
  10. Study of geometric error parameter identification for smart - cnc grading machine using dual - frequency laser interferometer

    曲面磨床幾何誤差參數辨識中的實驗研究
  11. Correctly identifying the geometric error parameters is one of the most important preconditions for error compensation

    數控機床誤差參數的正確辨識是數控機床補償的必要前提條件。
  12. By using the method of error analysis of mbs, the identification equation of geometric error parameters is derived and according to the condition that the rank of coefficient matrix of error measurement equation group must be full, we can get 18 terms geometric error of 3 - axis nc machine tools and three displacement error and three position error

    應用誤差辨識軟體,解得各測量點的十八個誤差參數,即每個運動方向的三個位移誤差和三個位置誤差,再根據實際情況獲得三項垂直度誤差,得到了所有的21項誤差。
  13. On account of the ccd camera mounted on the spatial robot end possesses rather big random measured error, for this reason, a new model of error that includes random measurement error was rebuilt, and it takes the non - geometric parametric error - backlash of transmission links into consideration

    由於空間機器人末端安裝的ccd相機具有較大的隨機測量誤差,因此,重新建立了包含隨機測量噪聲在內的新的誤差模型,它考慮了機器人非幾何參數誤差傳動環節的回差。
  14. This dissertation integrates theory analysis with experiment research and makes further research on nc geometric simulation. the establish of the cutting forces model, cutter wear model, machining error predition and compensation, machining parameter optimization in the physical simulation fields are made more research on the basis of the above research contents. the main achievements are as follows : 1

    本文採用理論分析與實驗研究相結合的思路,進一步研究了幾何模擬與精度驗證技術,研究了銑削力模型的建立、刀具磨損模型的建立、加工誤差模型與誤差補償技術、基於加工模擬的加工參數優化等物理模擬關鍵技術,主要研究內容和成果如下: 1 .設計了集幾何模擬和物理模擬為一體的數控加工模擬系統的體系結構。
  15. In numerical computation aspect, by implying new computational geometric field, computation error caused by boundary condition was decreased

    在數值計算方面,本文採用了新的計算域,減小了由於邊界條件造成的計算誤差。
  16. The three major types of machining error are geometric, thermal and cutting - force induced error. at the present time, error compensation model usually aims at single type of error and is used for the specific machine tool. this paper develops a universal synthetical model of error compensation for three - axis numerical control ( nc ) machine tool, which can be updated on time when manufacturing surroundings is changed

    論文廣泛研究了機床誤差補償技術目前的發展狀況,針對目前誤差補償系統存在的不足(諸如大多為單項誤差補償、通用性較差,模型多為靜態等) ,提出了機床綜合誤差的補償策略,以三軸數控機床為例建立了綜合誤差補償系摘要統,系統的誤差模型可實時更新,該補償系統可直接移植到多軸加工系統中。
  17. In the course of remote sensing digital image preparation, the paper, based on many experiments, chooses histogram match for radiation correction, texture filter method for strip noise reduction, and, with tm image in 1996 as the standard, carries out geometric correction and re - sampling of multi - band combined colored image by means of binary multinomial and closest pixel, with the error of one pixel

    在遙感數字圖像預處理中,通過多次試驗,採用紋理濾波法消除條帶噪聲,以96年tm影像為參考標準進行二階多項式幾何精校正和最鄰近像元法重采樣,誤差控制在1個像元內。
  18. Solutions are advanced in time by explicit four - stage runge - kutta integration with up to second - order temporal accuracy. to avoid grid motion induced error, the geometric conservation law ( gcl ) is satisfied numerically

    為避免網格運動給數值解帶來額外誤差,給出了幾何守恆律的離散形式並在數值上滿足了幾何守恆律條件。
  19. Based on the kinematical theory of mbs ( multi - body system ), the focus on this paper is how to implement grinding machine tool application of geometric error compensation and reduce the effect of the geometric error for enhance the accuracy of sk - 21 nc grinding machine tool

    本課題以多體系統運動學理論為基礎,將軟體誤差補償技術與凸輪加工這個特定的問題相結合,以sk - 21數控凸輪磨床為研究和實驗對象展開工作,目的在於如何減小幾何誤差的影響,從而提高凸輪的製造精度。
  20. Based on the current edge collapse algorithms for mesh simplification, in which simplification criteria are minimizing geometric error, a new algorithm was presented

    摘要在已有的以幾何誤差最小化為準則的邊折疊簡化演算法的基礎上,提出了一種新的三角網格模型簡化演算法。
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