descent method 中文意思是什麼

descent method 解釋
下降法
  • descent : n. 1. 下降，降下。2. 下坡，傾斜。3. 家世，門第，血統。4. 【法律】繼承，世襲。5. 一代；〈古語〉子孫，後裔。6. 突然襲擊。7. 屈尊，降格。
  • method : n 1 方法，方式；順序。2 （思想、言談上的）條理，規律，秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. An eigenvalue method based on the steepest descent curve

    基於最速下降曲線的特徵值法
  2. The hybrid algorithm raises the convergence rate of the conjugate gradient method and solves the problem for which the convergence rate of the steepest descent method get slower when the isopleth of goal function is oblong

    這種混合優化演算法結合了共扼梯度法和最速下降法產生搜索方向，既提高了共扼梯度演算法的收斂速度，又解決了目標函數的等值線是扁長橢球時，最速下降法下降緩慢的問題，具有收斂速度快、收斂范圍大、適應面廣等特點。
  3. Procreant knowledge expression and forward inference engine are adopted in the method of fault diagnosis based on expert system theory. in the fault diagnosis applying neural network theory, six kinds of improved arithmetic of back - propagation arithmetic, including gradient descent with momentum, variable learning rate back - propagation, resilient back - propagation, quasi - newton, levenberg - marquardt and conjugate gradient, are applied to diagnose the faults of electric load manage center and solid state power controller. different diagnostic results gotten by simulation are compared at last

    在基於專家系統的故障診斷方法中，採用了產生式知識表達和正向推理機制；在基於神經網路的故障診斷方法中，則分別採用了bp神經網路的附加動量法、自適應學習速率、彈性bp演算法、擬牛頓法、共軛梯度法和levenberg - marquardt法對電氣負載管理中心和固態功率控制器的故障進行診斷，並對由模擬得到的不同診斷結果進行比較。
  4. A parallel coordinate descent method for unconstrained optimization

    無約束優化的并行坐標下降法
  5. The weights are trained with gradient descent method. the increase algorithm of bvs, and restricted algorithm, was induced

    利用梯度下降法對網路的權值進行訓練，並且推導了bvs的增長演算法，以及網路訓練的限制記憶遞推公式。
  6. Convergence properties of the conjugate descent method with armijo - type line searches

    型線搜索下共軛下降法的收斂性
  7. Global convergence of a class of unconstrained optimal methods included conjugate descent method

    包含共軛下降法的一類無約束優化方法的全局收斂性
  8. The self - tuning fuzzy control algorithm including a back - propagation - based fuzzy controller and the gradient descent method is applied to reduce the pitch motion of the swath ship with control stabilizing fins

    控制模式為一自調模糊控制，包括應用一類神經倒傳遞觀念的模糊控制器及梯度下降法來減少縱搖運動。
  9. So the paper combined the fuzzy logic control and recurrent neural network, and the recurrent fuzzy neural network ( rfnn ) controller is introduced into the speedsensorless vector control system. moreover, an online parameter training methodology, which is derived from the lyapunov stability theorem and gradient descent method is proposed to increase the learning capability of the rfnn. the rfnn controller has a better performance than the pi controller system ; the effectiveness of the proposed control scheme is verified by simulation results

    因此論文將模糊控制和具有優越動態性能的遞歸神經網路結合起來，取長補短，提出了一種遞歸模糊神經網路控制方法，利用神經網路來實現模糊推理，可動態的調整隸屬函數的形狀、位置以及神經網路遞歸權值，並對其與pi控制器的交流調速控制系統進行了模擬比較，模擬結果表明與普通的pi控制器相比較，遞歸模糊神經網路控制器有較好的動態性能，控制器的收斂速度快、靜差小，系統在遇到參數發生變化和外部不確定性問題時魯棒性、抗擾動性有明顯的提高。
  10. Since it adopt the steepest descent method in nonlinear programming, it has the drawback that easy converge to a local minimum point of the error function

    由於它採用非線性規劃中的最速下降法，因而存在極易陷入局部極小的缺陷。
  11. Based on the steepest descent method and the conjugate gradient method, a hybrid algorithm is proposed in this paper, and its global convergence is proved

    摘要將最速下降法與共扼梯度法有機結合起來，構造出一種混合優化演算法，並證明其全局收斂性。
  12. In the image reconstruction based on optimization without constraint, the variable metric method, the steepest descent method, and conjugate gradient method were applied to image reconstruction to improve iterative efficiency and reconstructed quality, and their virtue and shortcoming were analyzed

    摘要在無約束最優化為基礎的圖像重建問題中，為了提高迭代效率以及重建圖像質量，首次提出將變度量法應用到圖像重建中。
  13. This paper researches blind equalization ruler, analyses the knowledge of hos and summarizes some algorithms based on the hos. odd - order ( third - second order and fifth - second order ) normalized cumulant algorithms are introduced and a new blind equalization ruler is proved and introduced after researching even - order normalized cumulant algorithms. then the steepest descent method is used to derive the algorithm

    在分析偶數階歸一化累積量演算法的基礎上，提出了奇數階（三、二階和五、二階）歸一化累積量演算法，論證並推導出一種新的盲均衡準則，最後利用最速下降法形成了新演算法。
  14. Global convergence properties of the conjugate descent method

    共軛下降法的全局收斂性
  15. A global convergence result for conjugate descent method

    共軛下降法的一個全局收斂性結果
  16. Level - value descent method, ldm

    建立了一種新的水平值下降演算法
  17. A level value descent method for unconstrained global optimization problems

    一種無約束全局優化的水平值下降演算法
  18. The essence of back propagation networks is that make the change of weights become little by gradient descent method and finally attain the minimal error

    其實質是採用梯度下降法使權值的改變總是朝著誤差變小的方向改進，最終達到最小誤差。
  19. In this scheme, the inputs of hidden layer neurons are acquired by using the gradient descent method, and the weights and threshold of each neuron are trained using the linear least square method

    在該方案中，通過梯度法獲取隱層神經元的輸入，使用線性最小二乘法訓練各神經元的權值和閾值。
  20. Second, for vector sequence coming from the steep - descent method, we use extrapolation method for the sequence and get some applied algorithms. we also give theoretical proofs for this algorithms. many numerical experiments tell us that the new algorithms sometimes can save 80 % computation

    其次，對求解非線性優化問題的最簡潔的最速下降方法產生的迭代序列，運用向量序列加速收斂手段進行了討論，導出了一些實用的加速演算法，並從理論上證明快速演算法的有效性，眾多數值試驗進一步表明：加速收斂的方法相比較加速前幾乎都能夠節約80以上的計算量。
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