unstable point 中文意思是什麼

unstable point 解釋
不穩定點
  • unstable : adj. 1. 不穩定的，不牢固的。2. 不堅定的，動搖的，易變的，反復無常的。
  • point : n 1 尖頭，尖端；尖頭器具；〈美國〉筆尖；接種針，雕刻針，編織針；小岬，小地角；【拳擊】下巴。2 【...
  1. 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。
  2. Secondly, the paper shows the results from a great number of experiments of the weight algorithm that chooses samples by probability. the experiments point out that weight algorithm has a better generalization ability than the no weight algorithm. but a single weight algorithm is unstable and it needs tremendous time of calculation to combine many single algorithms into a stable one

    其次對按概率取樣本的有權值演算法進行了大量實驗，實驗結果顯示出按概率選擇樣本權值演算法比無權值演算法的總體性能更為優秀，但其個體演算法的不穩定性以及為了獲得穩定結果所需要的巨大計算時間使其不可能成為一種能廣泛應用的演算法。
  3. Property change of unstable fixed point in controlling spatiotemporal chaos via periodic signal

    在外加周期信號控制時空混沌中不動點性質的變化
  4. Such property change of the unstable fixed point allows the possibility of the oscillators with different time scales adjusting to a functional perfect phase synchronization, in contrast to the imperfect one before the control

    不動點性質的這種改變是引起非完美相同步向完美相同步的轉變和時空混沌得以控制的內在機制。
  5. It is learnt that the utilization rates of the gas - fired generating units at the black point power station of the clp power hong kong limited " clp " are on the low side due to the unstable supply of natural gas as a fuel and a lower - than - expected growth in the local demand for electricity

    據悉，中華電力有限公司"中電"鼓灘發電廠的燃氣發電機組的使用率偏低，原因是天然氣燃料供應不穩定及本港的電力需求增長較預測為低。
  6. He said his wife was unstable, physically abusive and at one point hit the principal in his children ' s school

    他說他妻子情緒不穩、濫用暴力，有次還打了他孩子學校的校長。
  7. In section 2, we study the fixed point, stable set and unstable set of this system. for given parameters a trapping region is found with the property that any interval of unstable set will be expand under the map, so we get the conclusion that the system has infinitely many homoclinic orbits. as a consequence of the previous conclusion, we discuss the attractor of the system

    在本文中，我們討論了一個分段線性模型，它是物理學中用來模擬r - l - diode電路行為的數學方程，通過研究，我們得到該系統的一些拓撲性質以及符號動力學中的一些結論，主要內容如下：在第二節中，我們對給定的參數值，通過數值計算研究了該系統的不動點，不動點附近的穩定集與不穩定集，發現該系統中存在一個捕捉區域：該區域中的不穩定流形總體上是擴張的。
  8. In this paper we study the parameter self - turning control algorithm and the global asymptotic stability control algorithm aiming at two problems, one is the unstable problem caused by the variable structural parameter, the other is the global asymptotic stability problem caused by drift equilibrium point. maglev train can be regarded as several single point suspending systems based on the mechanical decoupling technology

    本文針對懸浮試驗中經常遇到的兩個問題? ?懸浮系統結構參數變化引起系統失穩問題和懸浮系統受到外界干擾而遠離平衡點的全局漸近穩定問題，研究了參數自校正懸浮控制演算法和全局漸近穩定懸浮控制演算法。
  9. The sib of differential - algebra equation ( dae ) can be interpreted as one mechanism of transient voltage unstable or voltage collapse, and this mechanism is illustrated under multi - machine system. moreover, the algorithm for search sib point under multi - machine system is proposed. the study of dae model and its singularity - perturbed model shows that they are different in essence

    微分-代數方程下的奇異誘導分岔可作為暫態電壓崩潰的一種機理解釋，在典型系統中詳細地分析了該機理，並在多機系統中構造出相應的算例，此外還提出了在多機系統中計算奇異誘導分岔點的演算法設想。
  10. And an unstable climate is now putting them under yet more strain ? taking them to the breaking point and beyond

    不穩定的氣候正在使問題更加嚴重- -使得資源達到臨界點乃至更甚。
  11. We, in chapter 4, comprehensively discuss the dynamics of discrete chaotic neural networks, including f the existence of fixed points, the stable, unstable dynamics of the fixed point, the saddle - node and period doubling bifurcations in singie neuron model, and chaotic dynamics of the networks. the proofs and de - ductions involve schauder fixed point principle, constructions of lyapunov func - tions, bifurcation theory, contraction map principle, and anti - integrable limit method

    在本文的第四章中，我們首先介紹了離散混飩神經元、神經網路模型由來與具體的數學模型，依次給出了該離散神經網路的中不動點存在性與惟一性的分析：穩定性與不穩定性的分析；神經元模型的分枝分析；神經網路中馬羅陀意義下混3屯動力學的分析
分享友人
分享到 Line

分享到臉書