singular points 中文意思是什麼
singular points
解釋
異點-
Third, using singular points and direction image, we class the fingerprint. we dispart four small fields in the center field of the fingerprint image. through the directions of the lines in every small field, we confirm the fingerprint type
基於方向圖分類法中將中心區域的方向圖分為左上，左下，右上和右下四個子區域，根據各子區的紋線走向來確定指紋類型。 -
Abstract : based on the gauge theory of various interactions, some new solutions of the gauge field equations are discussed, the potential is introduced, and the relations among the results and limit cycle, various singular points are derived. finally, it is expounded that these results possess probably physical meaning on the property and phase transition of particles
文摘:從各種相互作用的規范理論出發，討論了規范場方程的某些新的解，並引入了勢，然後探討了它們與極限環、各種奇異點的關系，最後論述了這些結果可能具有的粒子性質和相變等物理意義 -
Analysis of inflection and singular points on planar c - b zier curve
曲線的奇拐點分析 -
Chapter 1 deals with the numerical simulation method. chapter 2 deals with the monte carlo methods. the monte carlo integration that the domain of integration is curved or complex connected curved polyhedron and the integrand has singular points is discussed in this chapter
第二章討論了用montecarlo數值模擬方法求積分區域為曲面體和積分區域為復連通曲面體的情形，且被積函數有奇異點。 -
This paper is concerned with, the existence and stability of travelling wave solutions for the viscous balance law which is an extension of viscous conservation law where a reaction term g ( u ) is added. l ) the existence of travelling wave solutions by geometric singular perturbation method, we investigate the existence of travelling waves ( a2 ) connecting a saddle point and a sink point and the existence of viscous shock waves c connecting two adjacent or disadjacent saddle points. by giving a detailed analysis of the fast and slow manifolds and verifying the transversality of the intersection of singular stable and unstable manifolds of the reduced problem along the singular heteroclinic orbit, we obtain the existence of travelling waves ( a2 ) in the case of a convex flow function / and that of viscous shock waves c under the assumption that f " is bounded
主要結果如下： 1 ）行波的存在性本文利用[ 37 ]中幾何奇異攝動理論，通過仔細分析= 0時的快流、慢流，驗證= 0時慢流方程的穩定與不穩定流形橫截相交於奇異異宿軌道，先在f為凸的條件下嚴格證明了（ ）存在連接不相鄰的鞍點、結點的行波（ a2 ） ；然後在地f有界的條件下得到（ ）存在連接鞍點（包括相鄰和不相鄰）的粘性沖擊波c ，彌補了[ 11 ]缺少嚴格證明的不足，並推廣了[ 11 ]在f為凸的條件下得到的粘性沖擊波的存在性結果。 -
The cable - strut tensile structures are the self - stress equilibrium systems composed by tensional cables and struts. in this paper, the basic concept of the structures was described. the analysis methods of the structural characteristics ( statically and kinematically determinate or indeterminate ) and the geometrical stability were presented. it is indicated that the cable - strut tensile structures are in stable equilibrium with first - order infinitesimal mechanisms. the ranks of equilibrium matrix were calculated by employing the singular value decomposition, and the independent modes of inextensional mechanisms and the states of self - stress were also obtained in the same way. this paper contains some typical examples which illustrate all of the main points of the work
索桿張力結構是指由張力索和壓桿組成的、具有預應力自平衡的新穎結構體系.本文詳細闡述這種結構的基本概念和結構特徵，討論結構靜動定體系特性和幾何穩定性判定分析方法，指出索桿張力結構應具有一階無窮小機構的幾何穩定體系.文中採用奇異值分解方法計算結構平衡矩陣的秩，並計算獨立機構位移模態和自應力模態.最後，對幾種典型的索桿張力結構進行了算例分析 -
( 5 ) a fingerprint classification method based on singular points and central symmetrical axis is presented and realized
（ 5 ）給出並實現了基於奇異點和指紋中心對稱軸的指紋分類方法。 -
The discussing process follows the steps below : first, suppose the system ( 1 ) has only one finite singular point ( 0, 0 ). then we can assume b50 = 0, which special direction is determined by equation g ( 0 ) - 0, introduce poincare transformation to discuss infinite singular points, according to the coefficient conditions, list all possible infinite singular points and special directions, judging their type, drawing out all kinds of phase portraits
本文主要內容為：一、假設系統（ 1 ）只有唯一的有限遠奇點（ 0 ， 0 ） ，則不妨設b _ （ 50 ） = 0 ，其特殊方向由示性方程g （ ） = 0給出，引進poincare變換研究無窮遠奇點，再根據各定理中的系數條件，列出系統所有可能的無窮遠奇點和特殊方向，並判斷其類型，由此畫出系統的各種可能的全局相圖。 -
The boundary value problems of singular perturbation with boundary layer at turning points are discussed. the asmptotic expansion are constructed. and the uniformly valid asmptolic estimation is obtained
主要討論了在轉點處出現邊界層現象的奇異攝動邊值問題，構造了形式級數解，得到了一致有效的漸近估計 -
Using the roots of equations : f1 ( u ) = u5 - nu4 - mu3 - lu2 - ku - 1 f2 ( u ) = u5 + nu4 + mu3 + lu2 + ku + 1 f1 ( v ) = v4 + kv3 + lv2 + ( m + l ) v + n f2 ( v ) = v4 + kv3 + lv2 + ( m - l ) u + n we discussed all possible infinite singular points, and according to this, we drew out all kinds of phase portraits of them
系統（ 3 ） ， （ 4 ）都是只有一個唯一的有限遠奇點，且都是鞍結點的四次微分系統，這兩類系統都是無極限環的四次系統。利用系統的poincar變換，以及方程人（ 。 ）一。 -
Second, a numerical method for computing the higher order singular points of the nonlinear problems with single parameter is considered. based on the uniformly extended system and pseudo - arclength continuation, an uniform algorithm is given. numerical examples are computed to show the effectiveness of our algorithm
第二部分我們考慮計算單參數非線性問題中高階奇異點的計算方法，基於確定奇異點的一個普適的擴張系統，結合同倫參數的擬弧長延拓，給出了計算各類高階奇異點的一個統一演算法，通過數值例子說明了演算法的有效性。 -
Through the event horizon temperature of a kind of manko black hole with mass multipole moment can derive that the value is a constant except singular points, near which the temperature values are irregular. as one of the novel conclusions, such phenomena about the distribution has been paid reasonable explanation
本文對一類具有質量多極矩的manko黑洞的視界溫度進行了研究，準確地計算出此類黑洞的熱輻射溫度在視界上除內稟奇點處外是常數，而在黑洞視界面的內稟奇點附近的視界溫度出現異常值，並對這種溫度分佈的現象作了合理的解釋。 -
For the interface problems with variable coefficients, it is introduced that a particular finite element method combined with the infinite element method to approach the singular solution in the neighborhood of the singular points, and it is proved that the method possesses the same accuracy as the finite element method to the regular solution
對變系數內邊界問題，介紹了一種特殊的有限元方法。該方法結合了無限元方法，使在奇點附近的奇性解得到好的逼近。證明了該方法具有與有限元方法對正則解相同的精確度。 -
To get our result we adopt two equalities and, where and are the eigenvalues of the singular points to the linear parts. it has been proven that the system has finite limit cycles when the equalities do not exist, so we need to study the other case
本文具體就是證明無界多邊環都是有限的，包括無界雙曲的情況和無界非雙曲的情況，其中最重要的部分是針對無界雙曲多邊環的情況，即il ' yashenko定理。 -
Then, in the second part, the above properties of quasi - bochner - martinelli - type high order singular integrals with two singular points are discussed
在第二部分討論了帶有兩個奇點的擬bochner - martinelli型高階奇異積分的上述性質。 -
The acceleration method for newton ' s method at singular points
加速迭代格式的構造 -
Computation of higher order singular points in nonlinear problems with single parameter
單參數非線性問題中高階奇異點的計算 -
In this paper, we mainly discuss the topological structure of several classes of special fourth polynomial differential systems with the first and the third critical singular point. as in paper [ l ], mr han yuliang have discussed the system in the first critical case and the system in the third critical case ( where b, a30 0 in system ( l ) and ( 2 ) ) here, we use the tools and method of paper [ l ], to study the system where, 040, b04r - { 0 }, where, 640, ao4r - { 0 }, 631, 622513, b04er for the system ( 3 ) and ( 4 ), because of their only one finite singular points, and they are saddle - nodes, we can easily give the result that there is no limit cycle in their phase portrait
本文主要是研究在第一及第三臨界情形下的幾類特殊四次多項式微分系統的全局拓撲結構，在文獻中，韓玉良主要考慮了第一臨界情形下的系統及第三臨界情形下的系統的全局結構，並畫出它們所有可能的全局相圖， （在（ 1 ） ， （ 2 ）中， b ： a _ （ 30 ） 0 ）本文根據文獻的工具和方法，考慮系統：其中，以及系統其中，這樣，由於等號右端多項式次數的增加，極限環的存在性問題變簡單了，但討論系統的全局結構時，特別是作全局相圖時，難度增大了。 -
Besed on wavelet " s well localized characterizes in time frequency and space frequency, we can exactly depict events of nonnoise by decomposing to signal using binary - wavelet transform. for events of noise, local max can be found at singular points of signal by using wavelet transform norm of signal, so adopting multiscale wavelet analysis the maximal point of wavelet transform norm, which risen by the noise, with increasing of scale, which rien by the fault appeared. gived a properly threshold and compared the relation of data that have been transformed not only find the fault in the low noise signal but also resume the signal by filtering noise, which have good power of examining singular signal being unexpectedly change
對于噪聲中的事件點，利用信號的小波變換的模在信號的突變點取得局部最大值，採用多尺度（多分辨）小波分析，則隨著尺度的增大，噪聲引起的小波變換模的極大值點迅速減少，而故障引起的小波變換模的極大值點得以顯露，我們給出一個適當的閥值，比較閥值和變換后數據的關系，不但可以在低信噪比的信號中監測到故障信號，而且可以濾去噪聲恢復原信號，對突變的奇異性信號具有良好的監測能力，能夠有效地找出噪聲中的事件點。 -
The method finds the singular points according to their neighbor area characters, and then orients the reference point. after that, a staged fingerprint - matching algorithm based on structural model is proposed
（ 3 ）在指紋匹配部分，本文提出了基於塊方向及其正弦分量的參考點定位演算法和基於結構特徵的分段式指紋匹配演算法。
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