梯矩陣 的英文怎麼說
中文拼音 [tījǔzhèn]
梯矩陣
英文
echelon matrices-
Among them the gray level co - occurrence matrix ( glcm ) and gray gradient co - occurrence matrix ( ggcm ) methods, which attributed to the statistic textural analysis scheme were then chosen to extract the textural features of five kind areas on satellite images. in the second part the principle of classification and bp neural network were introduced. combined with textural features, the improved bp neural network successfully performed on the classification of the satellite images
論文的第一部分介紹了進行紋理特徵研究的一些典型的方法，利用其中的基於統計的紋理分析法中的灰度共生矩陣以及灰度一梯度共生矩陣法，分析了衛星雲圖上五類區域的紋理特性；第二部分主要介紹了遙感圖像分類原理以及神經網路中的bp演算法，在對演算法原理進行深入理解的基礎上，把紋理特徵與神經網路進行組合，實現對衛星雲圖進行分類分析；第三部分內容是在前面圖像分類結果的基礎上，對序列圖像用相關匹配法進行運動分析，反演雲跡風風場。Embeddings of resolvable 4 - cycle systems
中定型矩陣擬合的數值梯度方法The cg algorithm does not require construction of the global matrix. it can be implemented efficiently on a abstract massively parallel architecture
共軛梯度演算法不需要構造全局矩陣，它在大規模并行結構中能被有效地實現。The segmentation method of retinal blood vessels based on gray level - gradient co - occurrence matrix
梯度共生矩陣的視網膜血管分割方法This dissertation is focused on the study of adaptive digital beam forming ( dbf ), two - dim spectrum estimation and the determination of the highness of the object. main work include : 1 a method of adaptive dbf in received antenna array
本文圍繞著自適應接收波束形成、時-空二維譜估計和對目標高度判定等方面進行研究，主要研究工作包括以下幾個方面： 1討論了在接收陣列天線中，自適應數字波束形成（ dbf ）的方法，引入了采樣梯度矩陣演算法。We studied the multimode coupling matrix of the key waveguide discontinuity, waveguide step, with the modal fields expansions in waveguides. and obtained the relations with the multimode coupling matrix, the generalized admittance matrices and the generalized scattering matrices. we have compiled some subroutines in fortran 95 programming language to compute the multimode coupling matrix, admittance matrices, scattering matrices and their operates with each other
並利用fortran95程序設計語言編寫了用來計算波導階梯的多模耦合矩陣、多模耦合矩陣與廣義導納矩陣的級聯、廣義導納矩陣之間的級聯以及廣義導納矩陣和廣義散射矩陣之間的互相換算等的矩形波導平面不連續性模式分析的子程序。The results of twinspan indicated that the communities were classified into 10 associations, and the quadrats classification indicated two environmental gradients which were light intensity and soil humidity
Twinspan將翅果油樹群落劃分為10個群叢，分類矩陣圖明顯反映出光照強度和土壤濕度兩個環境梯度。First we introduce theory and merits of graphic wavelet transform, then mallat algorithm, multi - scale characteristic, quadratic b - alpine wavelet and the coefficients of this filters, and etc. later we calculate the gradient matrix based on the result of wavelet transform, thin the contour and get spatical information
先介紹圖像小波分解方法的原理、 mallat快速演算法、多尺度特性、 3階b -樣條小波基函數的選取及其濾波器系數的推導等，然後根據小波變換結果計算梯度矢量矩陣，進行非極大值抑制和雙閾值化，提取目標輪廓。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。Experimental results show that this method is highly effective and efficient, and moreover it has no requirements on the differentiability and continuity of the objective function, and consequently does not need to perform complex matrix calculations, so this method is suitable for applications in identification of nonlinear hydrodynamics of complex system
結果表明，智能演算法簡單有效，對目標函數沒有可微性和連續性要求，避免了復雜的梯度矩陣計算，適合在復雜的非線性水動力系統辨識中應用。Based on the transfer - matrix method, the general expressions of equivalent four - terminal network parameters of varying section torsional horn are derived, the relations between frequency equation and both the rotational velocity amplification and that of the surface tangential velocity of stepped type torsional ultrasonic horn with transitional section of cosine - like type are obtained
摘要基於傳遞矩陣演算法，推導出了變截面桿扭轉振動時等效四端網路參量的一般表達式，研究了帶類餘弦過渡段階梯形變幅桿扭轉振動頻率方程與角速度放大倍數及外表面切向速度放大倍數等的關系。The dynamic model of induction motor under - reference frame is approximated by its associated discrete circuit model with the trapezoidal algorithm, after linearized using the neoton - rapson algorithm, the contribution of induction motor model to the circuit " s nodal equation matrix is calculated
按照改進節點法的要求，異步電機採用-坐標系下的動態模型，使用梯形法求解微分方程，經過離散化和線性化，得出異步電機作為一個電路元件對電路矩陣方程的貢獻。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。With wavelet based gray - gradient symbiosis matrix to compute the ununiformities of gray distribution and gradient distribution, a kind of pollution index was defined
利用小波的灰度梯度共生矩陣計算基於鄰域的圖像灰度分佈不均勻性和灰度梯度分佈不均勻性。According to the filter matrix particularity, the filter equation was solved by using conjugate gradient method
並根據濾波矩陣的特殊性， ?用共軛梯度法求解濾波方程。Steihaug has shown that an approximate solution of the trust region problem may be found by the pcg method
共軛梯度法由於不需要矩陣計算和存貯，成了解大型問題的首選方法。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。The gradient eigenvector priority method of fuzzy complementary judgment matrix
互補判斷矩陣排序的梯度特徵向量法In the computation procedure of the above problems, efficient algorithms to perform sparse matrix were applied to saving computer memory units and cpu time. the conjugate gradient method and biconjugate gradient method were applied to solve the sparse systems of generated linear equations
為了減少計算機內存的需求和有效提高計算速度，本文在分析計算各類目標的電磁散射和輻射問題時，採用稀疏矩陣的存儲和壓縮技術，並運用共扼梯度和雙共轆梯度等方法求解線性方程組。分享友人