模擬應變 的英文怎麼說

中文拼音 [yīngbiàn]
模擬應變 英文
simulated strain
  • : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
  • : 動詞1. (設計; 起草) draw up; draft 2. (打算; 想要) intend; plan 3. (模仿) imitate
  • : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
  • 模擬 : imitate; simulate; analog; analogy; imitation; simulation模擬艙 boilerplate; 模擬電路 [電學] circ...
  1. And then facing the problem of the channel estimation of the adaptive modulation system, we conclude out the channel estimation algorithms on maximum likelihood ( ml ) estimation and maximum a posteriori ( map ) estimation under the condition of flat fading channel and selective fading channel in detail. to meet flat fading channel, we simulate the relationship of the ratio between the error covariance in map estimation and ml estimation and pilot symbol message length. the conclusion can be drawn from these results

    接著,對自適調制系統中的通道估計問題難點,詳細推導了平衰落通道條件下和選擇性衰落通道條件下最大似然( ml )估計和最大后驗概率( map )估計演算法,針對平衰落通道,我們了map估計和ml估計的方差與導頻符號長度的關系,結果表明,錯誤方差受多譜勒頻率的化影響最大,並且對實際的自適調制系統,導頻符號長度的取值超過20個符號長度時, map通道估計明顯優于ml通道估計。
  2. Finally, the controller working based on the combination of rbf neural networks and traditional pid control was applied to in aclinic kinetic machinery and lifting machinery of tower crane. the simulation of this controller was made using matlab, and the simulation results showed that the control system has some merits, such as quick response, little overshoot, well anti - jamming capacity, and little steady - state error, etc. both the dynamic property and static characteristic of this controller are better than traditional pid controller, and meet the tower crane

    用matlab對塔機的幅和起升機構的運動控制進行結果表明基於rbf神經網路整定pid的控制系統具有響快、超調小及穩態誤差小等優點,其動、靜態性能優于單一pid控制,從而提高了塔式起重機工作機構的工作性能。
  3. Fist of all, on the basis of the research of agone boffins, this author investigates the interaction mechanism of bolts and rock, and introduces the elastic ? lastic analytical resolution which is consist of the liner structure, the equivalent reinforced wall rock and the original wall rock in the simple loading from the equivalent well - proportioned view ; this solution is very important meaning for the engineering design. on the basis of coulomb friction model, the author introduces the finite element equation of the contact problem in order to provide the academic foundation for the application of msc. marc. finally, combining the engineering practice of the non - linear analysis of shield tunnel through yellow river of the south - north water transfer and using the model of friction, the author researched the evolution law of stress and displacement field in the structure of grouted rock bolts, and analyzed the effect to the stress and deformation of surrounding rock mass due to anchor supports

    首先,在前人研究成果的基礎上,對錨桿與圍巖的相互作用機理進行研究,利用全長錨固錨桿的中性點理論,從等效均化的角度來考慮錨桿對圍巖的加固作用,並推導了在簡單荷載作用下,含有襯砌、等效加固后的圍巖、原始圍巖三者的彈塑性解析解,對工程設計有著重要的參考意義;在數值方面,以考慮錨固圍巖滿足規則化庫侖摩擦型為基礎,利用虛功原理推導了接觸問題的有限元方程的計算格式,為開發運用大型商用有限元軟體msc . marc提供了理論根據,也形成了本文的理論基礎:最後,論文以南水北調東線穿黃隧洞穩定性分析項目為工程實例,利用本文所述的接觸問題的摩擦型理論,對錨桿支護結構的力場、位移場的化規律進行了研究,分析了加錨支護對隧洞圍巖力、形的影響。
  4. According to this, the temperature field stress field and autogeny body - expand - deformation field of yangchun arch dam during construction arid operation period are analyzed, thus many significant conclusions are got for reference

    由此,分析了陽春拱壩施工期和運行期溫度場、自生體積膨脹形場及力場,得到了一些有參考意義的結論。
  5. Hyperbola model of mgo - mixed concrete ' s autogeny deformation, especially deduce of the model ' s parameter and building process of the model are analyzed in detail. ( 2 ) calculating method of autogeny deformation and creep are discussed. based on these, timely - simulation theory of dam body ' s temperature field stress field and pre - process back - process method are mainly studied

    ( 2 )對mgo混凝土的自生體積形及徐形的計算方法進行了探討,在此基礎上,重點研究了壩體溫度場和力場實時的原理以及前後處理方法。
  6. The diffusion welding behavior of single - crystalline cu to single - crystalline - aio with a nb film interlayer and the joint microstructure properties were studied by tem, sem / eds analyses and four - point bend testing. the nb film interlayer deposited by electron beam evaporation on the ceramic side prior to diffusion welding was found to be olycrytalline and fiber - textured after diffusion bonding, with the close - packed plane ( 110 ) being parallel to the ( 0001 ) basal plane of - aio

    擴散連接技術是一門邊緣科學,涉及材料、擴散、相、界面反、接頭等各種行為,工藝參數多,雖然已經進行了大量的試驗研究,但卻對各種材料的連接機理尚未有明確的認識,為此人們試圖藉助于計算技術,對接頭行為進行數值,以便找到共同規律,對擴散連接過程及質量進行預測與實時控制。
  7. A 2 - d fem program is designed to simulate and compute thermal - creep - stress field in a long beam on batholith and taipu river pumping station. some conclusion available in designing and construction are presented

    編制了平面有限元程序,計算了巖基上長梁和太浦河泵站工程的溫度徐力場,得出一些對工程設計和施工有益的結論。
  8. In view of bearing capacity of the elastoplastic theory analysis, the author made a comparison between the achieved bearing capacity limit load pi / 4 of round base ( space problem ) and the limit load pi / 4 of bar groundwork foundation design ( plane problem ) from soil mechanics at home and abroad as well as foundation criterion, and explained why the value of formula in present design criterion from soil mechanics is inclined to be conservative. in the light of the author ' s many years experience of vibration test on the spot and the research work of relevant projects, the author worked over the dynamic pile testing of the bearing capacity of foundation and batholith, and gathered the parameter of dynamic analysis and testing. the author also talked over the difficult point of pile foundation design criteria in present batholith engineering world, i. e. the confirmation of batholith bearing capacity of pile end, from the following aspects : a ) confirmation of single axis counter - pressure strength of rock in house ; b ) f. e. m calculation of elastoplastic model ; c ) calculation of soil mechanics ; d ) deep well load test

    然後,對巖土工程領域至今尚未解決,甚至不為人注意的考慮地基形的地基承載力問題進行了實用化的探討,提出了考慮地基形的地基承載力上程計算方法;對基於彈塑性理論分析的地基承載力國內尚未見報道的空間問題得到了圓形基礎(空間問題)的承載力界限荷載p _ ( 1 / 4 ) ,並與國內外土力學專著及地基基礎設計規范中的條形基礎(平面問題)的界限荷載p _ ( 1 / 4 ) ,進行了對比,從而定量上解釋了目前設計規范引用土力學承載力公式值偏於保守的這一情況;根據本文作者多年從事現場地基工程振動試驗及相關課題的研究工作,本文以截頭錐地基,對地基(巖基)承載力的動測法進行了研究,為各類地基(包括巖基) ,匯總了動力分析和檢測川的參數:針對日前巖土工程界用樁基設計規范中的難點? ?樁端巖基承載力的確定問題,從巖石室內單軸抗壓強度確定、基於彈塑性型的有限單元法計算、土力學計算及深斤載荷試驗四方面進行了深入討論;本文作者根據多年現場載荷試驗的工程實踐,對深井荷試驗裝置的核心部分? ?反力裝置,設計了側壁支撐反力加載系統,該加載系統具有實用、簡便、穩定及安個等優點。
  9. We use integrated research approach combining studies of ecosystem processes, remote sensing, gis, and computer modeling, to analyze and quantify ecosystem dynamics of major biomes of china in the context of global change. our researches are multidisciplinary, and focusing on terrestrial ecosystem processes at multiple - scales

    以陸地生態系統學為指導學科,綜合多尺度生態系統過程檢測與分析、遙感和gis技術用、計算機,研究和預測全球化背景下區域生態系統結構及其功能的化趨勢。
  10. Engine load simulated control system was consisted of two unattached parts of work resistance simulated control subsystem and electric bow wave dynamometer control subsystem. with the mathematic models of engine load simulation controller, which transferred the work resistance ' s change to engine load change immediately, the system can met the need of the simulation control system

    發動機負荷加載控制系統包括彼此獨立的作業阻力控制子系統和電渦流測功機控制子系統兩部分,用發動機負荷控制器數學型,使作業阻力的化及時轉換為發動機負荷的化,能夠滿足系統的控制要求。
  11. Verification regulation for standard calibrator of strain analogue quantity

    標準模擬應變量校準器試行檢定規程
  12. The integrate model of the application of computer simulation into scientific discovery learning shows significant promoting effects upon the students " ability of the flexible application of the knowledge ; 4. the students " physics basis have very significant effects upon their scientific discovery learning ; 5. the integrate situation model basically realizes the complementary advantages between computer simulation situation experiments and the real situation experiments, but it exposes some drawbacks in the aspect of students " understanding of the nature of experiment exploring and students " changing of naive conception

    針對實驗一的結果,實驗二對基本式進行了修正,整合進了真實探索情境,結果表明,與基於真實探索情境的科學發現學習式相比:計算機用於科學發現學習的整合式對學生原理性知識的掌握表現出非常顯著的促進作用;計算機用於科學發現學習的整合式對學生的直覺性理解未表現山顯著的促進作用;計算機用於科學發現學習的整合式對學生的靈活用表現出顯著的促進作用;學生的物理基礎對其科學發現學習具有非常顯著的影響;整合情境式基本實現了計算機情境和真實情境的優勢互補,但在學生對實驗探索的理解和樸素概念的轉上也暴露出了一些不足之處。
  13. And a post - liquefaction test method has been put forward, in which the cyclic loading and the static loading courses are both controlled by stress mode. this method reflects the in - situ conditions well and truly, and a lot of tests have been done using this method. in these tests the effects of confining pressure, relative density, liquefaction severity etc. have been thoroughly investigated

    主要工作內容如下:參與研製了振動扭剪全自動多功能三軸儀,並利用其獨特試驗功能設計了一套飽水砂土液化后特性的試驗方法,試驗過程中地震作用的動加載過程及形發生的靜加載過程均採用力控制的方式進行,試驗方法跟現場條件更為接近並用該試驗方法對相對密實度、固結壓力、液化度等對液化后形特性的影響進行了研究。
  14. This project first embeded the virtual scene into gui interface in material test system, that users can roam in 3d scene real - timely was realized by making java action perform and user interaction synchronized, and further, all kinds of creep experiments can be achieved by which relevant sensor events simulate the operation of metal creep experiment instruments and tools

    首次在材料試驗系統中將三維試驗場景嵌入到jbuilder構建的gui界面,通過java事件處理與三維場景中的用戶交互同步協同,實現了用戶在虛場景中實時漫遊,進而可通過相的觸發器事件試驗儀器、工具等的操作和使用方法,進行各種條件下的蠕試驗。
  15. Analogue strain gauge measurement amplifier

    模擬應變測量放大器
  16. Summaries the research status, particularity and cfd method of the dynamic simulation, and points out that the cfd simulation of contaminant distribution in the crucial medical rooms should be reoriented from static method to dynamic method

    對人體動態的研究現狀和特殊性及其cfd方法進行了介紹,提出對醫院關鍵科室內污染物擴散的逐漸從穩態向動態
  17. Simulating strain device

    模擬應變裝置
  18. The ze10. 006 is a highly reliable device which can link an analogue strain - gauge transducer to a wide range of analogue equipment

    Ze10 . 006是一款高可靠性的設備,它可將一臺模擬應變傳感器連接到許多設備上。
  19. Based on the simplified principle, the modal shapes of selected structural modes are converted into modal strains. to minimize the calculation error, curve - fitting technique is used in the process. the modal strains are summed together to determine the global distribution of the structure for selected vibration modes so that the position of piezoelectric elements could be optimally determined according to the simplified optimization principle

    通過二階中心差分運算將態振型轉化為,採用曲線合方法降低離散誤差,進而將各階待控進行疊加,獲取系統整體特徵分佈情況;最後根據壓電元件位置優化的簡化目標函數,將壓電片的最優位置確定為柔性板疊加的極值區域。
  20. ( 2 ) a statistical damage constitutive model is used to explore the feature that the stress - strain curve of damage rock curls upward when the loaded stress is little. and the mixture method is used to realize the coupling of rock without damage, damage and fluid

    ( 2 )探討了用損傷統計本構曲線第一階段稍向上彎曲特徵建問題,採用混合物理論探討了非損傷巖石、損傷和液相的耦合問題和曲線第一階段稍向上彎曲特徵建問題。
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