梯度投影 的英文怎麼說
中文拼音 [tīdùtóuyǐng]
梯度投影
英文
gradient projection-
Compared with the reality, it shows that this model and its parameters are defined reasonablly. to analyse the arrangement of drainage system with different spacings and depths, with unsteady flow formula and benefit index, this paper gives a two - dimensional non - linear programing model for arrangement of drainage system in the barley field, which can be solved by the method of projected gradient. by this model, we make out the optimum solution of spacings and depth of pvc pipe in littoral area of changjiang river that is s = 21. 5 8m, h = l. lm
論文通過對不同埋深、間距的塑料暗管排水布局的分析，結合非穩定流公式和效益指標，提出了麥田排水暗管布局的二維非線性規劃模型，並利用梯度投影法求解，得出長江下游濱海地區塑料排水暗管埋設的最優方案為埋深h = 1 . 1m ，間距s = 21 . 58m 。Three - term memory gradient rosen and solodov projection method for nonlinear programming with linear or nonlinear inequality constraints
解帶線性或非線性約束最優化問題的混合三項記憶梯度投影演算法2 both least mean - square ( lms ) and least - square ( ls ) blind space - time receivers methods based on the rosen ' s gradient projection are presented for space - time receiver that merge with the idea of smart antenna, and combined with the different data - selected schemes. the effect of these schemes on the computational complexity of two detection methods is analyzed. the simulations illustrate that those methods are effective
2 、針對將智能天線的思想融入其中的空時接收機，提出了基於rosen梯度投影實現的最小均方（ lms ）與最小二乘盲空時接收機演算法並將提出的不同數據方案結合起來，分析了提出的方案對每次迭代運算的運算量的影響，通過模擬實驗驗證了方法的有效性。3 a novel recursive least - square ( rls ) blind space - time receiver algorithm based on the constrained condition, which can completely avoid the matrix inversion introduced into by constraints ( comparing with the normal rls ), is proposed for multi - path slow fading cdma channels. the computational complexity of this method is not only lower than that of the normal rls, but also lower than that of both lms and ls blind space - time receiver methods that are realized based on the rosen ' s gradient projection. and the speed of convergence of the presented rls blind space - time receiver algorithm is better than that of both lms and ls blind space - time receiver methods
3 、針對多徑慢衰落通道下ds - cdma盲空時接收機中線性約束二次規劃問題提出一種新的遞歸最小二乘演算法，該演算法完全避免因約束而引進的矩陣求逆運算（相對于常規的遞歸最小二乘演算法） ，不但運算量比常規的要低，而且比基於rosen梯度投影實現的最小均方（ lms ）與最小二乘盲空時接收機演算法還低，且收斂速度比基於rosen梯度投影實現的最小均方（ lms ）與最小二乘盲空時多用戶檢測都好，將提出的新的遞歸最小二乘演算法與提出的數據選擇方案結合起來可以進一步降低其運算量，具有很大的實用價值，最後通過模擬實驗進一步分析了其性能。According to the geometry model constructed in this paper, kinematics analysis, inverse kinematics with its optimization, analysis and calculation of dynamics are introduced. the resolution of matrix reverse transformation and gradient projection based on fake reverse matrix are used in the computation
建立了該手腕的幾何模型，針對該模型展開了運動學分析、逆運動學解的計算，計算使用了矩陣逆變換的解析法和基於偽逆陣的梯度投影法兩種方法。Taking the measurement matrix rank 4 as the constraint, we propose two methods to estimate projective depths iteratively : ( l ) the algorithm of estimating projective depths based on conjugate gradient method ; ( 2 ) the algorithm of estimating projective depths based on genetic algorithms
以測量矩陣的秩為4作為約束，以仿射投影逼近透視投影，提出了以下迭代估計射影深度的演算法：基於共軛梯度法的射影深度估計演算法，基於遺傳演算法的射影深度估計演算法。Some important algorithms for nonlinear optimization problems are studied in this dissertation. the aim of this dissertation is to give some theoretical analysis. chapter 1 is the introduction of this dissertation, which introduces the variational inequality problem and the complementarity problem, the context of this dissertation and the main results obtained in this dissertation
本文主要是對非線性最優化問題中的若干重要演算法的理論分析作了探討，包括約束最優化問題中的梯度投影方法以及求解變分不等式和互補問題的幾類演算法，主要是集中在這幾種演算法的收斂性分析上。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。In chapter 2. we give a class of new algorithms for nonlinear programming problems with linear constrained by combining the gradient projection method with non - quasi - newton method which was given in paper [ 2 ]. it ' s global convergence and the superlinear convergence are proved under suitable conditions
在第二章中我們將梯度投影與文[ 2 ]中的非擬牛頓法相結合，給出了求解線性約束非線性優化問題的一類梯度投影非擬牛頓演算法。Generalized three term - memory gradient projection method for nonlinear programming with nonlinear equality and inequality constraints
求解非線性等式和不等式約束優化問題的三項記憶梯度廣義投影演算法Using the different gradients of the plate area and the non - plate areas in a car image, a neural network is trained. then the image is classified with the trained network. finally, with the help of the projection features and the geometric features of car license plate, the license plate is located
該演算法利用牌照區和非牌照區不同的梯度特徵對神經網路進行訓練，之後用訓練好的神經網路對圖像進行分類，最後結合牌照的投影特徵和幾何特徵實現牌照的定位。An equivalent integral programming model and a new semidefinite programming relaxation for the max - bisection problem are given. then, we solve the relaxation with a projected gradient algorithm. coupled with the randomized method, an approximate solution of the max - bisection problem is obtained
2 .給出圖的最大二等分問題的整數規劃模型的等價模型及其新的半定規劃鬆弛模型，利用投影梯度演算法求解該半定規劃鬆弛模型，然後利用隨機擾動演算法求得原問題的次優解Then based on the gradient projection method, the gradient projection direction is deduced. the gradient direction is the base for sensitivity analysis
接著，根據投影梯度法，推導出了投影梯度方向，該梯度方向是靈敏度分析的基礎。General gradient projection method of interior points for linear coustrained optimization
一個求解線性不等式約束的非線性規劃的廣義梯度投影內點演算法Referring to kinematic control of redundant manipulators, extended - jacobian scheme and gradient - projection method of optimization scheme was mainly discussed
關于冗餘機器人運動控制，本文著重討論了擴展雅克比方案和優化方案中的梯度投影法。And gradient - projection method focused on changing robotic motion from an optimizing perspective, which achieved some performance optimizations while fulfilling required tasks
梯度投影法從優化的角度對機器人的運動進行處理，在保證機器人完成作業任務的同時，使機器人獲得某些性能的優化。Chapter 2, using the technique of ( e, d ) generalized gradient projection and the idea of strongly subfeasible directions, several new algorithms for systems of nonlinear inequations are presented
第二章，利用（ ， ）廣義梯度投影技術和強次可行方向法思想，建立了非線性不等式組的廣義梯度投影演算法。分享友人