極值判據 的英文怎麼說
中文拼音 [jízhípànjù]
極值判據
英文
extreme value criterion-
Output can be obtain, next we use our designed the wavelet soft threshold to select result of the wavelet transform, finally, we give the selected result reversal wavelet transform. it is obvious : the wavelet soft threshold is important to improve the quality of the gray image processing. i give the donoho wavelet soft threshold a modified value method, which has a relation with ratio of signal - noise. i made full use of discrete hop field single feedback neural network, and nonlinear steady of automatic system at last, i obtained a steady limited ring, give the energy function an order differential a optimal
我的思路是：改造現有圖形結構，先建立能反映信噪比大小且含待定參數k的表達式，然後通過離散型h0pfi舊單層反饋神經網路，再結合前邊的混合濾波器構成一個非線性控制系統，寫出對應的網路函數，利用相平面法和李雅普諾大穩定性的判據，得到一個穩定的極限環，從而確定出參數卜的范圍，進而再對原來的小波軟閾值進行修正，用修正後的值作為小波閾值。Based on these algorithms, and consider the property of the arc image, we proposed a new multi - stage algorithm. the proposed algorithm involves the class separability criterion in pattern recognition, and double - threshold method and non - maximum suppression proposed in canny operator. we apply this algorithm to the arc image, and get a better result
並在這些演算法的基礎上，基於電弧圖像的特點，提出了一種改進的多階段邊緣檢測演算法，這個演算法中應用到模式識別中的類別可分離判據的理論，並使用了canny演算法所中提出的雙閾值法和非極大值抑制方法等等。Even if the fault spread from external fault zone to internal fault zone, the differential protection can avoid misoperation. main criterion of protection is composite - percentage current differential algorithm according to every sampled value, which can accelerate the protection ' s trip, reduce large amounts of calculation and have strong stability to ta saturation
本文採用基於采樣值的比率制動式電流差動保護演算法作為保護的主判據，可以明顯提高保護動作速度和減少計算量；具有較強的抗ta飽和能力，在區內故障時無制動，區外故障時有極強的制動特性。In order to find the detecting signal characteristics of all kinds of flaws for ect and ac - mfl, itestablished the signal analysis method based on rectangular flaw, which was validated throughthe experimental research on ect and the emulational research on ac - mfl for different shapeand dimension flaws. the method was explained that a flaw with an arbitrary shape can berepresented as a set of flaws with the simplest rectangular shape. as the synthetic application of these researches, the problem of defect detection of bolt wasresearched
為實現螺紋區域中的缺陷檢測，提出了提取局部極大值的缺陷識別方法;並根據位置的不同將缺陷分為螺桿結合部缺陷、螺紋區域缺陷以及螺紋尾部缺陷三類，對每類缺陷的信號特點進行了分析，給出了缺陷檢測的判據，並通過實驗驗證了識別方法的可靠性;最後對螺栓頭桿結合部的缺陷檢測進行了實驗研究，並根據信號特點建立了相應的缺陷檢測方法。Through the excel program, and combining the inside and outside environment of the excavation and stress field and displace field, the data of stress and displacement of points are analyzed in variable depth and load grade and terminal state. the spss software has been applied to the statistics of geometry parameter of failure surface, and the failure surface criterion is created by the linearity regression from d ( the longest horizontal distance between the failure surface and the side face of the slope ), ho ( the depth
此外，應用spss軟體對試驗破壞滑弧的幾何參數進行統計分析，並對滑弧的最大水平深入距離d及d處至坑底的高度h _ 0結合各水理指標進行多元線性回歸，建立滑面的判據，並對此判據進行修正，且用實際工程對其進行評價，通過反算已知滑面的c 、值，表明邊界條件對破壞形式有極大的干擾作用，所直接看到的破壞類型土體不是發生整體滑移破壞，而是剝落式的潰屈破壞。Statistical interpretation of data - detection and handling of outlying observations in the sample of type i extreme value distribution
數據的統計處理和解釋i型極值分佈樣本異常值的判斷和處理The data spatial cell partitioning and data object allocating methods based on the problem of boundary outlier misjudgment in cell outlier mining algorithms are discussed. then a dynamic adjustment function on dataset boundary threshold is defined and an improved algorithm on the cell - based outlier is brought forward. it can greatly reduce the amount of misjudgment on boundary outlier by the algorithm discussed in this paper without increasing the complexity and the calculating time of the original algorithm
針對演算法中邊界處孤立點的誤判問題，給出了數據空間的單元格劃分及數據對象分配方法，定義了數據集邊界閾值動態調整函數，提出了基於單元的孤立點挖掘演算法的改進演算法，在不增加原有演算法時間復雜度的前提下，極大地減少了邊界處孤立點的誤判。The variances of the sum of the amplitude quadratures of the three obtained optical modes and the relative phase quadratures among them is respectively 3. 28 dbm and 3. 18 dbm below the corresponding shot noise limit
完全不可分判據中三個不等式左邊的值分別為1 . 90 ， 1 . 83和2 . 94 ，全部小於歸一化后的散離噪聲極限4 。Firstly, it needs to separate the girder hull into many elements - pulled one and pushed one. secondly, when the ship is in hogging or sagging, you should assume one curvature value so you can get the moment value of every element at this curvature. and then you may add up all the moment of every element
當船體梁在中垂或中拱狀態下時，假定一個初始曲率，根據各個單元對瞬時彈性中和軸彎矩的貢獻，累加得到相對于這個曲率的總彎矩，然後判斷彎矩是否達到極值，如未達到，則增加曲率，重復上述過程，直到彎矩為極值為止。In this paper, the important point is the study about the application of wavelet analysis in single phase grounding fault location of small current grounding power systems, wavelet transform is used as a novel tool of signal analysis to obtain useful fault transient components, a new criterion of fault line selection is constructed based on the time and frequency localization character of wavelet transform
本論文主要研究了小波分析在小電流接地系統單相接地故障定位中的應用，利用小波變換這一新興的信號分析工具，提取故障時的暫態電量信息，構造出了基於小波變換模極大值奇異性檢測原理的新型選線判據。分享友人