中英
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variable metric method中文是什么意思
- 中文翻譯
- 造句
- 可變度量法
- 可變計(jì)量法
- variable adj. 1.易變的，變化無常的，無定的 (opp. c ...
- metric adj. 1.公制的，米制的；十進(jìn)制的；習(xí)慣于用公制的。 ...
- method n. 1.方法，方式；順序。 2.(思想、言談上的)條理 ...
- variable-metric method 變尺度法; 可變度量法
- metric method 計(jì)量法
- variable metric algorithm 變尺度算法
- metric analytical method 度量解析法
- artificial variable method 人工變量法
- complex variable mapping method 復(fù)數(shù)繪圖法
- complex variable method 復(fù)變函數(shù)方法; 復(fù)變數(shù)法
- control variable method 控制變量法
- instrumental variable method 儀器變量法
- iteration method with variable weights 選權(quán)迭代法
- method of antithetic variable 對偶變量法
- method of leading variable 引入變量法
- method of reduced variable 約化變數(shù)法
- method of separation of variable 變數(shù)分離法
- method of variable differences 變差法
- state variable method 狀態(tài)變量法
- variable certainty equivalent method 可變確定值等分法
- variable design point method 變設(shè)計(jì)點(diǎn)法
- variable difference method 變量差分法
- variable factor adjustrment method 變動因素調(diào)整法
- variable gain method 可變增益法
- variable lead method 可變提前量瞄準(zhǔn)法
- Reconstruct the iceit images using the bfgs variable metric method and obtain better images . 5
將數(shù)學(xué)中的bfgs變尺度法應(yīng)用于iceit的成像，改善了成像結(jié)果。 - Modified constrained variable metric method is adopted in this optimization , and the application of perturbation method in the re - analysis of the structure is studied
另外，還對結(jié)構(gòu)重分析中攝動法的應(yīng)用進(jìn)行了討論。 - Modified constrained variable metric method is adopted in this optimization , and the application of perturbation method in the re - analysis of the structure is studied
另外，還對結(jié)構(gòu)重分析中攝動法的應(yīng)用進(jìn)行了討論。 - The accuracy of the final results is better than 0 . 5 % after 1000 measurement data averaged . applying the variable metric method , we got preliminary images based on physical phantom
對硬件系統(tǒng)的測量結(jié)果表明，對測得的數(shù)據(jù)經(jīng)1000次疊加后測量精度優(yōu)于0 . 5 。 - We reconstruct the dynamic images using the data measured from our physical phantom . the bfgs variable metric method is nonsensitive to noise , the result background is even on the whole . the objects in the images are clear
基于物理模型的實(shí)測數(shù)據(jù)的成像結(jié)果表明： bfgs變尺度法抗噪性能較好，圖像的背景比較均勻，目標(biāo)清晰；目標(biāo)圖像的大小與實(shí)際大小接近，定位較準(zhǔn)確。 - 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(yōu)化為基礎(chǔ)的圖像重建問題中，為了提高迭代效率以及重建圖像質(zhì)量，首次提出將變度量法應(yīng)用到圖像重建中。 - 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
另一類叫做子問題算法，這種算法是通過一系列簡單子問題的解來逼近原問題的最優(yōu)解，如罰函數(shù)法、信賴域算法、逐步二次規(guī)劃算法等。這兩類算法的一個(gè)共同特點(diǎn)是，通過比較當(dāng)前點(diǎn)和下一個(gè)迭代點(diǎn)的目標(biāo)函數(shù)值或評價(jià)函數(shù)值來確定迭代點(diǎn)的“優(yōu)”或“劣” ，若迭代點(diǎn)比當(dāng)前點(diǎn)“優(yōu)”則該迭代點(diǎn)可以被接受，否則須繼續(xù)搜索或調(diào)整子問題。
- variable metric methodとは意味：可変計(jì)量法｛かへん けいりょうほう｝
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