域演算 的英文怎麼說

中文拼音 [yùyǎnsuàn]
域演算 英文
domain calculus
  • 域 : 名詞（在一定疆界內的地方; 疆域） land within certain boundaries; territory; region
  • 演 : 動詞1 （演變; 演化） develop; evolve 2 （發揮） deduce; elaborate 3 （依照程式練習或計算） drill;...
  • 算 : Ⅰ動詞1 （計算數目） calculate; reckon; compute; figure 2 （計算進去） include; count 3 （謀劃;計...
  • 演算 : perform mathematical calculations; calculation; calculus演算器 exerciser
  1. Used perturbed method and making inexact generalized gradient projection with cone, perturbed generalized gradient projection method is proposed. the field of the algorithm is extended. numerical experiments show that the method is effective. secondly, using the trust region form and the pseudo - directional derivative of minimax problem, we propose the trust region form of minimax problem

    對信賴域法作了進一步的研究，藉助minimax問題的偽方向導數，構造出其信賴域二次模型，並結合非單調策略，給出求解minimax問題的簡單易行的信賴域演算法。
  2. 2. shadow plays an important role in 3d scene. studying and comparing different shadow algorithms, emphasizing on two prevalent algorithms, shadow mapping and shadow volume

    陰影效果對于增強三維場景的真實感有著非常重要的作用，本文研究和比較了各種陰影生產演算法，重點討論了目前生成陰影的兩種主流演算法? ?陰影映射演算法和影域演算法。
  3. Range - doppler algorithm is a one dimensional algorithm. wavenumber domain algorithm and chirp scaling algorithm are two dimensional algorithms. this paper discusses their theory and processing flow

    Range - doppler演算法是一種一維處理演算法，波數域演算法和chirpscaling演算法是二維聯合處理演算法，本文討論了它們的原理及流程。
  4. As follow : 1. two solutions of estimating the doppler centroid are put forward. we processe the doppler centroid estimation in the frequency domain and time domain. also this chapter discusses principle of the doppler centroid estimation

    本文主要研究了多普勒參數估計及波數域演算法，主要有以下幾個方面: 1 .闡述了多普勒質心估計的兩種方法:頻域估計法和時域估計法。
  5. Analyze the linear dipole array with uniform element spacing using the method of moments ( mom ), derive the analytical expression for the recovered signal with the direct data domain method, demonstrate the effect of the mutual coupling on the performance of the antenna array by examples, the degradation of the system caused by the mutual coupling is simulated and analyzed in two different electromagnetic environments such as the weak and strong interference

    用矩量法計算了幾個信號同時照射時對稱陣子均勻直線陣的電流分佈，用直接數據域演算法推導了此接收陣列的恢復期望信號的表達式，舉例說明了互耦對陣列天線性能的影響，數值模擬了在弱干擾和強干擾下，互耦造成系統性能下降的情況並分析了原因。
  6. The aim of this paper is to construct a three - term conjugate gradient method to solve the trust region subproblem

    在本文中，我們提出了解信賴域子問題的三項預處理共軛梯度法，並將這個方法嵌入解大型最優化問題的信賴域演算法中。
  7. In chapter two, psr ( point spread response ) h ( t, x ; r0 ) is adopted to depict the model of sas system. exact transfer function is also given. time domain algorithm, range - doppler algorithm and wave number domain algorithm are being discussed and compared on this foundation

    在此基礎上，分別討論時域演算法、距離? ?多普勒演算法、波數域演算法並對其進行了比較，並對波數域演算法的并行性做了初步研究。
  8. This paper discusses several questions about imaging algorithms of sar. mainly it discusses three imaging algorithms - range - doppler algorithm, wavenumber domain algorithm and chirp scaling algorithm. still it discusses the assistant processing algorithms of imaging algorithms - doppler centroid estimation algorithms and autofocus algorithms

    本文論述了合成孔徑雷達（ sar ）成像演算法方面的一些問題，主要討論了三種成像演算法? ? - range - doppler演算法，波數域演算法及chirpscaling演算法，並討論了成像演算法的輔助處理演算法? ?中心頻率估計演算法及自聚焦演算法。
  9. Spatial algorithm and frequency analysis of the thod of image smoothing process

    一種圖像平滑處理方法的空域演算法與頻域分析
  10. Such methods are generally decreasing method, such as, feasible direction methods, constrained variable metric methods, etc. another class is sub - problems method, which approximates the optimal solution by solving a series of simple sub - problems, such as penalty function methods, trust region methods, and successive quadratic programming sub - problems, etc. the same property of two classes of methods is that they determine whether the next iterative point is " good " or " bad " by comparing the objective function value or merit function value at the current point and next iterative point

    另一類叫做子問題演算法，這種演算法是通過一系列簡單子問題的解來逼近原問題的最優解，如罰函數法、信賴域演算法、逐步二次規劃演算法等。這兩類演算法的一個共同特點是，通過比較當前點和下一個迭代點的目標函數值或評價函數值來確定迭代點的「優」或「劣」 ，若迭代點比當前點「優」則該迭代點可以被接受，否則須繼續搜索或調整子問題。
  11. A trust - region algorithm for nonlinear constrained optimization problem

    解非線性約束優化問題的依賴域演算法
  12. The latter primarily improves the transmission distance and reliability by selecting the repeater automatically. the frequency domain auto - adaptatation filter algorithm is deduced and reliabity by selecting the repeater automatically. the frequency domain auto - adaptaion filter algorithm is deduced and a method of frequency domain algorithm to restrain the marrow band interference is given on the foundation of the time domain minimum mean square error auto - adaptation filter. then the meter reading system to can learn the power network structure and automatically create linked path by using neural networks auto - study ability and analyzing the reading data

    後者主要是對中繼節點的自動選擇，以提高信息的傳輸距離與可靠性。針對電力線擴頻通信通道的特點，在時域最小均方誤差自適應濾波演算法的基礎上，推導了頻域自適應濾波演算法，並提出了頻域演算法抑制窄帶干擾的具體方法。運用神經網路的自學習方法，通過對抄讀數據進行分析，使抄表系統感知電網拓撲結構，自動建立中繼路徑。
  13. Lc1 unconstrained optimization problem was discussed in the second chapter, giving a new trust region method and proving its global convergence and superlinear convergence under some mild conditions

    給出了一個新的信賴域演算法，並在一定的條件下證明了演算法的全局收斂性和局部超線性收斂性。
  14. Aiming at more general nonlinear optimizations subject to linear inequality constraints, this article proposes curvilinear path trust region algorithms

    本文針對更為一般的帶線性不等式約束的優化問題提出弧線路徑信賴域演算法。
  15. The main work is as follow : the pater makes use of vanguard genetic algorithms in image segmentation, uses vanguard genetic algorithms to get the image threshold. using this method we may get different grey vehicles from the background exactly. used the support vector machine theory to conduct the vehicles automatic sorting simulation research, the simulation result had proven this method could quite be accurate carries on the vehicles type the recognition ; improved based on the background automatic renewal hypothesized examination region algorithm, enhanced timeliness and the accuracy which the vehicles examines ; and to has carried on the specify based on the hypothesized examination region imagery processing algorithm realization ; in the paper also introduced withdraws the algorithm based on the gradation continuous movement vehicles characteristic to carry on the vehicles the characteristic to withdraw as well as to use the localization method which colored filter same gradation chart processing unifies to carry on the realization method which the vehicles license plate locates

    本文根據智能交通控制與模擬對于交通流量、車輛到達率、車輛速度等交通信息檢測的需求，基於視頻圖像進行了交通信息處理的演算法研究與實現，主要工作包括以下幾個方面:將先鋒遺傳演算法應用到圖像閾值分割中，利用先鋒遺傳演算法尋求全局最優閾值，可以比較準確的將圖像中不同灰度的車輛從背景中分離出來;採用支持向量機理論進行了車輛自動分類的模擬研究，模擬結果證明該方法能夠比較準確的將車輛的類型進行識別;改進了基於背景自動更新的虛擬檢測區域演算法，提高了車輛檢測的實時性和準確性;並對基於虛擬檢測區域的圖像處理演算法實現進行了詳細說明;論文中還介紹了基於灰度連續性的運動車輛特徵提取演算法進行車輛的特徵提取以及採用彩色過濾器同灰度圖處理相結合的定位方法進行車輛牌照定位的實現方法。
  16. After obtaining structured light image ( sli ), sli is pretreated by region segmentation and 8 neighbor filtering. so the objective image is separated from background

    針對獲得的結構光圖像的特點，運用p - tile參數法對圖像進行區域分割，並且採用8鄰域演算法進行去噪濾波的預處理方法，使圖像與背景清晰地分離。
  17. This dissertation introduces a newly proposed method : multi - resolution time - domain ( mrtd ), and mainly focuses on the algorithm itself. first of all, the basis of the mrtd method is studied

    本文介紹了一種全新的時域演算法時域多分辨方法（ mrtd ） ，主要進行對演算法本身的研究。
  18. Frequency domain algorithm of computer - based transformer differential protection

    變壓器微機差動保護的頻域演算法
  19. The time - domain scattering is computed via fdtd method, which is particularly well adapted to frequency - dependent soil. this method is processed prior to a fast fourier transform ( fft ), which is performed to come back to the frequency domain

    主要包括用於有耗土壤和樹干計算的頻率相關fdtd演算法- （ fd ） ~ 2td ，以及吸收土壤凋落波的gpml吸收邊界，確立了樹干散射的時域演算法模型。
  20. Compared with the lsb algorithm, the robustness of this algorithm is stronger ; compared with the echo hiding algorithm, the detection watermarking of this algorithm is easier, the calculation is simpler ; compared with the time - domain algorithm based on psychoacoustic masking, the calculation complexity is relatively low, the transparency does not rely on experience value, and the embedding amount is larger

    與lsb演算法相比，該演算法具有較強的健壯性;與回聲演算法相比，該演算法檢測水印容易，計算簡單;與基於心理學掩蔽模型時域演算法相比，該演算法計算簡單，透明性不依賴經驗值系數，且嵌入量大。基於振幅比較的數字音頻水印（機密信息）隱藏演算法。
分享友人
分享到 Line

分享到臉書