gradient search 中文意思是什麼

gradient search 解釋
遞變度搜索
  • gradient : adj. 1. 傾斜的。2. 【動物；動物學】步行的，能步行的。n. 1. 〈英國〉（道路的）傾斜度，坡度，坡路。2. 【物理學】梯度，陡度，（溫度、氣壓等的）變化率，梯度變化曲線。
  • search : vt 1 搜查；檢查（身體、衣袋等）；搜索，搜尋；找；尋找。2 調查；查究；探求；追求；根究 （into）。3...
  1. A new class of memory gradient methods under strong wolfe line search

    線性搜索下的記憶梯度法
  2. A coupled exercise algorithm of forward neural network combined with gradient search and chaotic optimization search

    基於規則的前饋神經網路的混沌梯度下降耦合學習演算法
  3. A coupled exercise algorithm of forward neural network combined with gradient search and chaotic optimization search b ased on rules and its application

    前饋網路的混沌梯度搜索耦合學習演算法及應用
  4. It has been deduced that the search direction remains the same but that the step length decreases in optimizing the improved cost function with the conjugate gradient algorithm from the gradient of the cost function that the fir filter apporaches the contrary point spread function ( psf ) more, and that the estimated image is closer to the original one

    從代價函數的梯度入手推導出共軛梯度演算法，其搜索方向保持不變而搜索步長變小，使濾波系數更加退近於點擴展函數逆運算元，從而使估計圖像與原始圖像更加接近。
  5. In the course of modeling, we present multi - step generalized gradient method and multi - stage curve fitting technique, prove convergence of multi - step generalized gradient method by using differential equation stable theory, analyze the error of multi - stage curve fitting technique by using inner space, creat knowledge base of water network system by using the maximum subordinate principle of and near - select principle of pattern recognition. at last we make the optimal running scheme of water network system based on heuristic search technique of artificial intelligence and global feedback immediate coordination method of large scale system theory

    在建立系統模型的過程中，提出了多步廣義梯度法和多層曲線擬合的建模方法，並用微分方程穩定性理論證明了多步廣度梯度法收斂性，用內積空間的有關知識對多層曲線擬合進行誤差分析;應用模糊數學中的最大隸屬度原則和模糊識別中的擇近原則和人工智慧中狀態空間表示法建立注水系統的知識庫;用人工智慧中的啟發式搜索技術和大系統理論中的具有全局反饋的直接協調法制定注水系統的優化運行方案。
  6. Convergence of new memory gradient method with armijo search

    搜索下的記憶梯度法及其收斂性
  7. On the basis of the probability density function of the disparity gradient, the mutual coordinate constraint of the corresponding points of the two adjoing points in the continous edge of the left image was educed, then the search area of the matching point in the right image was limited

    由視差梯度的分佈密度函數，導出了左圖像連續邊緣上相鄰兩點在右圖像中的對應點的坐標間的相互約束關系，從而限定了右圖像中匹配點的搜索范圍。
  8. A class of conjugate gradient method under new line search

    一類在新的線搜索下的共軛梯度法
  9. Modified two - parameter family of conjugate gradient methods without line search

    改進的不帶線搜索的兩參數簇共軛梯度方法
  10. Global convergence for a class of conjugate gradient methods with relaxed line search

    推廣線搜索下一類共軛梯度法的全局收斂性
  11. In this paper, the two - point stepsize gradient method which together with one new nonmonotone line search technique is proposed

    摘要給出一個兩點步長梯度方法，其將與一個新的非單調線搜索技術相結合。
  12. The real - time obtainment of the components of projection matrix and the substitution of constant step for optimal step in the one - dimension search in conjugate gradient were adopted to ensure the equality of reconstructed image from incomplete projections and shorten the reconstruction time simultaneously

    通過即時獲取投影矩陣分量，以固定步長替代共軛梯度法中一維搜索最優迭代步長，在確保品質的同時縮短重建時間。
  13. Video technol., aug. 1994, 4 : 438 - 442. 4 liu l k, peig e. a block - based gradient descent search algorithm for block motion estimation in video coding

    這些演算法適合於用在運動較為平緩的情況下，但是在運動較為劇烈的情況下，這些演算法很有可能陷入局部最優，因而造成搜索精度損失。
  14. A non - linear feed - forward loop is used to realize the coordinated control between the two controlled variables at the two control ends at first. secondly, a constant ac voltage control is implemented for a short period after the ac fault removal. finally, a staggered recovery strategy for different hvdc subsystems is also adopted, with the restart time interval of them optimized using the steepest descent gradient search method

    該協調恢復策略的三個特點是：在常規的控制器結構中加入一個基於準穩態工作點的非線性前饋迴路；在交流故障被切除后的一個短暫時間內，逆變側採用定交流電壓控制：對不同的直流輸電子系統採取一種漸進的恢復策略。
  15. Both the simplex method and the dfp method are referred to compare the efficiency of the direct search methods with that of the gradient methods. the differential method of stochastic fem is used to calculate the gradient of the objective function hi dfp method. firstly, deterministic fem for seepage is introduced systematically and stochastic fem for seepage is presented

    為了對比直接法和梯度法的計算效率，本文採用兩種優化方法對滲透系數的確定性反演問題進行了探討：單純形法和變尺度法，在分析算例的基礎上，筆者就這兩種優化方法的效率和穩定性等方面的問題提出自己的觀點。
  16. Global convergence of a new conjugate gradient method with generalized wolfe line search

    線搜索下一類新共軛梯度法的全局收斂性
  17. Global convergence of the general three - term conjugate gradient methods with the relaxed strong wolfe line - search

    搜索下一般三項共軛梯度法的全局收斂性
  18. ( 3 ) taking advantage of face detector constructed, this thesis presents a face - tracking system by optimal gradient search of confidence. the final tracking system is built on ms directshow platform

    （ 3 ）本文還在人臉檢測器的基礎上，提出了一種置信度梯度尋優的人臉跟蹤演算法，並以directshow為平臺實現了一個多人臉跟蹤系統。
  19. The real coded genetic algorithm is also proposed to search for the optimum solution, which can overcome the drawback of traditional gradient search technique that it is likely to tend to fall into the local minimum

    還提出了利用實數編碼的遺傳演算法對代價函數進行最優化搜索，以克服傳統梯度搜索方法容易陷入局部收斂的缺點。
  20. With the help of the search technique based on traditional optimal methods, gradient operator cross search operator and evolution operator are exploited to strengthen the local search ability of genetic algorithm

    第3章借鑒了傳統優化方法中的搜索技術，開發了梯度運算元、正交搜索運算元和進化運算元以強化遺傳演算法的局部搜索能力。
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