割線法 的英文怎麼說
中文拼音 [gēxiànfǎ]
割線法
英文
secand method-
A new method on seeking asymptote is given by applying the relation between secant and asymptote, this method is helpful to train creativity of students
摘要利用曲線割線的極限得到曲線的漸近線,給出了求漸近線的一種新方法。這種方法直觀性強,有助於培養學生的創新能力。We put forward an algorithm for self - discrimination of island relation and an automatic intersected method of the region machining unit, which can judge the relationship among any plane obturate contour line effectively and swiftly. we also study the tool path generation technology of two - dimensional machining, basso - relievo machining, three - dimensional lifting - pen machining. meanwhile, we put forward an optimize approach of tool path, which improve the efficiency of engraving
研究了圖像的刀具路徑生成技術與軌跡規劃問題,提出了基於射線的島嶼關系自動判斷和區域加工單元的自動分割方法,有效、快速地判斷了平面任意封閉輪廓線之間的關系,研究了平面任意區域填充加工、浮雕加工、三維提筆加工的刀具路徑生成的技術,提出了刀具路徑優化方法,提高了雕刻加工的質量和效率。The new algorithm bases on bisection and secant iteration, which is different cuppen ' s method and newton iteration. the results of theoretical analysis and numerical testing show that convergent rant of our algorithm is obviously faster that of the classical algorithm
該演算法以割線法迭代為基礎,明顯不同與傳統的newton迭代法,理論和數值實驗表明改進的演算法的收斂性比經典演算法好Base flow separation from daily flow hydrograph using automated techniques
流量過程線的自動分割方法探討Optimal linear combination for segmentation of leukocyte images
白細胞圖像的最優線性組合分割方法Secant algorithm in multi - point contact machining
多點切觸加工的割線法Study on constitutive relation of loess moistening deformation based on secant - modulus method
基於割線模量法的黃土增濕變形本構關系研究An asynchronous parallel algorithm about the secant method for solving nonlinear systems of equations
一個用割線法求解非線性方程組的異步并行演算法A new damping estimation method, the secant line method, was presented, that is based on the distance of neighbor peaks and valley of oscillation
摘要提出利用相鄰波峰和波谷之間距離估計阻尼比的割線方法。Firstly, the paper puts out the formulas used to calculate displacement by secant modulus, which think about the influence on lateral displacement
提出了飽和粘土利用割線模量法計算固結沉降,且考慮側向變形影響的公式。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。In this paper, the contrast of original image is enhanced by nonlinear transformation based on the characteristics of grain image ; after comparing several methods of threshold segmentation and analyzing their performance and applicability on grain image, the adaptive threshold segmentation based on gradient image is presented ; the noise of binary image is reduced with morphological filter, the hollow in binary image is filled in and a recognition algorithm is designed to remove agglomerate particle ; on the basis of mathematical morphology two methods are adopted to segment agglomerate grains that are not agglomerated tightly ; the parameters of size and shape, perimeter, area, diameter, complexlity, longest feret diameter, shortest feret diameter etc, are extracted. this technique is applied in measurement of pearl powder ' s particle size
本文根據粒度圖像的特點,採用非線性對比度增強處理改善顆粒顯微圖像的對比度;對多種閾值分割方法進行比較,分析了它們的性能和用於粒度圖像的適用性,在此基礎上提出了一種基於梯度圖像的動態閾值分割方法;對獲取的顆粒二值圖像進行形態濾波和空洞填充,設計了識別演算法去除凝聚體;對重疊不太嚴重的粘結顆粒採用了兩種基於數學形態學的分割演算法;提取了周長、面積、粒徑、復雜度、最長feret徑、最短feret徑等大小和形狀特徵參數,對珍珠粉等粉體粒度進行了測量。By the line of cross - cut, the 2 - d fmm ii with multiplicative noises is transformed into the form of 1 - d model, then the proposed algorithm is obtained on the basis of state estimation theory of the 1 - d systems
利用斜割支線法,通過定義新的變量,巧妙地將帶乘性噪聲的2 - dfmm模型轉化為一維帶乘性噪聲的狀態空間模型。On the assumption of ignoring the distortion of thickness, this paper determines the rough shape by the geometric modeling method of equal area developing using mixed mesh cell of triangle and quadrangle for the first time, presents the equal area developing arithmetic of quadrangle - triangle. on the virtual geometric symmetry axis, we puts forward the method of determining the developed coordinate of the point on the base band in the development of using regular quadrangle cell, determines the developed shape of internal structure in plane utilizing point - to - point mapping theory. furthermore, we realize the approximate developing of undeveloped - irregular boundary surface using a few triangle cells
本文結合型號研製中小曲率機翼整體壁板類零件坯料展開課題,基於板料厚向變形忽略不計的先驗假設,首創混合四邊形-三角形網格等面積展開的幾何模擬法確定壁板類零件毛坯外形,給出了混合四邊形-三角形網格等面積展開演算法;提出了虛擬分割線的概念,採用虛擬幾何對稱軸,給出了規整四邊形單元展開基帶上結點的計算方法;採用映射原理和求交演算法確定了壁板內部結構信息的展開定位。The surface of conventional engineering part is composed of simple analytical surfaces and four - boundary ruled surface primarily. therefore a point cloud segmentation method based on those feature surfaces is proposed. several algorithms to identify the simple analytical surface feature are investigated and discussed
常規工程零件的外表面中包含了大量的特徵曲面,如簡單解析曲面和四邊直紋面,因此,本文提出基於特徵曲面的的點雲分割方法,研究幾種識別簡單解析曲面的演算法;研究由點雲擬合b spline和b zier曲線的理論基礎,總結曲面擬合的幾種方法,提出一種反求定半徑滾球圓角的方法。The secant modulus is used to calculate final settlement of high - stacked soil, compared with the result of e ~ p curve, the error is in the limit of tolerance
同時將割線模量計算沉降的方法應用到高填方自身作用下的最終沉降計算中,通過與應用e p曲線計算的結果進行比較,其誤差在允許范圍之內。Secondly, image enhancement technique based on linear filtering is adopted. a new image segmentation method by means of automatic multilevel threshold is given, which realizes partial multilevel threshold segmentation based on image region partition of gray - level position projection, removes the influence of uneven illuminance or uneven gray - level distribution on goal recognition, and resolves the problem of error segmentation caused by threshold step between adjacent regions by threshold transition. the method has well robustness
在圖像處理時,採用基於線性濾波的圖像增強方法,並提出了一種新的自動多閾值圖像分割方法,該方法以基於灰度位置投影的圖像分區實現局部多閾值分割,克服了不均勻照明或不均勻灰度分佈對目標識別的影響,同時,通過閾值過渡很好地解決了相鄰區域閾值「階躍」引起的錯誤分割問題,具有很好的魯棒性。The reliability of secant modulus method is validated in which final consolidation settlement is computed. the experience formula of coefficient of permeability ( k, 0 ) and pore ratio ( e ) is presented and the experience expression of coefficient of permeability ( k10 ) and strain ( ) is offered too. lt is important to modity the acquiring method of coefficient of consolidation, because the method embodies that strain and pressure of consolidation effect on coefficient of consolidation
本文首先驗證了用割線模量法計算軟土地基最終固結沉降的可靠性;其次得到了滲透參數k _ ( 10 )和孔隙比e的經驗關系,並且更進一步給出了滲透系數k _ ( 10 )和應變之間的經驗公式,更重要的是對求取固結系數的方法給予了改進,該方法反映了固結系數隨應變和應固結壓力的變化規律。This paper explorates the method of nonlinear approximate equation root of " secant line rule " in theory, and disusses two vertexes of secant line rule and one vertex of secant line rule with two kinds of different thought methods and in order to clear some suspicions of learners, which is used as a reference
現對「割線法」求解非線性方程近似根的方法,從理論上進行了探討,並用兩種不同的思維方式雙點割線法和單點割線法進行討論,來澄清學習者的一些疑惑,以供參考。The advantage of this algorithm is that its computing quantity and computing time are less than the divide - and - conquer algorithm of k. y. li. with good parallelism in nature, it is quite suitable for parallel processing
該演算法利用割線法迭代計算廣義特徵值,具有計算量少,計算速度快的優點,並且演算法具有內在并行性。分享友人