拐點法 的英文怎麼說
中文拼音 [guǎidiǎnfǎ]
拐點法
英文
inflection-point method-
Based on that penetration depth of eddy current is theoretically different for different operationalfrequency, the flaw depth quantitive measurement method based on the characteristicalfrequency was expounded. to find the best testing model and position, it analysed and discussedthe factors which effected measurement. the mathematic relationship between the specialfrequencyand flaw depth was established to realize the accureate measurement of flaw depth. it primarily researched the technology of alternating current magnetic field leakage testing ( ac - mfl ) in our country
在利用頻率掃描技術的基礎上，提出了基於拐點頻率的渦流檢測缺陷深度測量方法，對影響測量的多種因素進行了分析和實驗研究，得到了最佳的測試位置和測試方法，建立了拐點頻率和缺陷深度的定量關系，為深度的測量提供了新的途徑。Real - time corner detection in binary image
二值圖像中拐點的實時檢測演算法Quick locating algorithm for turning points in discrete point set of plane curve
平面曲線離散點集拐點的快速查找演算法Based on the theory of mfl and a study on the signal characteristics ofac - mfl and ect : on one hand, it expouded the flaw identification model of “ slope ratio ” todetect the defects in panel, rob or pipeline ; on the other hand, the flaw - depth measurementmethod based on the characteristical frequency were used in ac - mfl. the application ofac - mfl was realized, and it showed the accordance of defect detection for these twotechniques
從其檢測原理出發，在與上述渦流檢測信號特點進行比較的基礎上，一方面，利用「斜率比值」識別模型實現了對板材、管材、棒材等表面缺陷的檢測;另一方面，利用交流信號的信息實現了基於拐點頻率的深度測量方法在該技術中的應用。Above all, this paper work on the principle of simulink. principle of block and model are explained during initialization and execution stage. then runge - kutta ( 4, 5 ) formula which is a main numerical integration method of simulink and zero crossing detection function are analyzed
從構成模型的基本單元? ?模塊入手，闡述其運行機理並對模型的執行階段進行全過程分析，然後介紹simulink的主要數值積分方法? ?四?五階變步長runge - kutta法的基本積分原理，以及simulink的拐點處理功能? ?過零點檢測技術（ zerocrossingdetection ）的基本原理。First local invariant is extracted from the corners of the occluded object, which is used for local matching. then we measure the similarity between the object and the models in image base, and determine the class of the object by the rule of max similarity. experimental results show that this method is efficient
首先從目標缺損形狀的各拐點中提取局部不變特徵，再基於模糊度量進行局部匹配，然後對匹配段進行目標相似度度量，根據最大相似度來判定目標的類別，實驗結果表明方法的有效性。The constructed surface is c2 continuous on the whole domain, and is a piecewise cubic parametric polynomial on every subdomains. the interpolating surface can preserve the convexity, concavity, inflection property and monotonicity of the data set. in the end, each algorithm brought forward in the paper is exemplified, at the same time, error is discussed
3針對保形曲面插值問題，提出了一種插值于給定數據點集的參數型保形曲面插值演算法，所構造的曲面在整個區域上是c ~ 2連續的，在每個子區域上是分片三次參數多項式，並且保持被插函數集的所有子區域的邊界及其內部的軸向單調性、凸凹性以及拐點性質。And then, a segment feature extract algorithm based on etab ( sfe _ etab ) is proposed. the basic idear of this algorithm is to find the inflexion, end point and broken point in the thinned image by utilizing the specialty of which complicated segements naturally disassemble basic segements after etab thinned a character primarily. after that, it joins the segments to get the beeline corresponding to each segement
在上述研究的基礎上，提出了一種基於邊界細化的筆段提取演算法，演算法的基本思想是利用基於字元邊界細化演算法初步細化后字元中部分復雜筆劃已分解成筆段的特點，找出細化圖像中的拐點、端點、斷點;然後利用原圖的連通關系把斷開的基本筆段進行合併;最後進行筆段的提取。And the researches of the article have been done as follows : firstly, about the adjustment of rotation, a method, based on susan corner detection algorithm, is presented in the thesis. and the rotated image is rectified exactly by the symmetry of the portrait image and the invariant to rotation of shoulder corner. then the detail of images is preserved by the approximately geometrical processing based on the bicubic interpolation algorithm
具體工作如下:第一，在旋轉調整方面，本文採用了一種基於susan角點檢測的演算法，利用了人像所具有的對稱性以及肩部拐點旋轉不變特性比較準確的實現旋轉校正;並採用了雙三次插值方法對圖像作幾何近似處理，很好的保持原圖像的細節。Based on the mathematical definition and physical meaning, a fast effective method was studied to calculate mathematical inflection point using computer, and a algorithms was proposed to calculate the mathematical inflection point of discrete data using non - fitting curve way
在數學定義及物理意義的基礎上，研究了利用計算機來計算數學拐點的一種快速有效的方法，提出了對于離散數據以非擬合曲線的方式計算拐點的演算法。This paper proposes a new way for nuc on the basis of detector ' s response nonlinerity. through analysis on the data obtained in experimentation, the nonlinerity curve and its arithmetic model are found, on the basis of which several special points on the curve can be selected to correct the nonuniformity. the algorithm takes the detector ' s natural essence into account so can behave more satisfyingly
本文提出了一種基於探測元響應非線性的非均勻性校正方法? ?非線性擬合校正法：通過實驗測得的數據，擬合出探測器的響應特性曲線並建立其數學模型，根據曲線特徵選取特殊點（如拐點、極點等）進行定標校正。In the experiment of this thesis, a high accurate measurement system based on linear array ccd is made up ; the illumination system is improved, and curve fit is adored to obtain the margin value. finally, the size of the obtained object is less than the pixel dimension according to lens magnification p
本文建立了基於線陣ccd的線徑高精度測量系統，在對照明系統改進的基礎上，採用曲線擬合求拐點的方法來提取信號的邊緣特徵，最後根據透鏡的放大倍率得到低於ccd像素尺寸直徑。分享友人