未擾動的 的英文怎麼說

中文拼音 [wèirǎodòngde]
未擾動的 英文
intact
  • 未 : Ⅰ副詞1 （沒） did not; have not 2 （不） not Ⅱ名詞1 （地支的第八位） the eighth of the twelve ear...
  • 擾 : Ⅰ動詞1 （擾亂; 攪擾） harass; trouble 2 （客套話 因受人款待而表示客氣） trespass on sb s hospital...
  • 的 : 4次方是 The fourth power of 2 is direction
  • 擾動 : excitation; turbulent motion; turbulence; destabilization; [物理學] perturbation motion; [地質學]...
  1. If the field changes slowly, we can replace the time integral by a line integral over the unperturbed orbit.

    如果場緩慢改變，我們能夠用未擾動軌道的線積分來代替時間積分。
  2. In this paper, the finite - element numerical analysis calculation is applied to the foundation of high - rise and multi - floor building and the evolvement law of stress and displacement of tunnel used by urban traffic to explore the mutual influence between the wall rock of underground space and high - rise building foundation, taking account of the specific construction situation in the " sanmu garden " project in dadukou district in chongqing, from the perspective of underground space static - force structure stability analysis to open a underground tunnel with 6m in span and 7. 5m in height for track traffic 20m below the surface. this paper, taking considerations of three different states, i. e. the natural state without any artificial interference, the state of high - rise buildings on the surface, and the underground tunnel state with excavation for track traffic, and four plane lines and four vertical lines, analyzes and studies the distributing law of stress and displacement of calculation section from the following aspects : ( 1 ) the main stress vectorgraph, displacement distribution graph ( ux, uy ) and chromatogram graph of stress isoline ( 1, 2, xy ) of section under different states ; ( 2 ) the contrastive distribution curve of stress ( 1, 2, xy ) of different plane and vertical lines under the same state ; ( 3 ) the contrastive distribution curve of stress ( 1, 2, xy ) of the same plane and vertical lines under different states, wishing to provide references for underground space utilization and project designing and construction of the tunnel under high - rise buildings in the future

    本文結合重慶市大渡口區「三木花園」開發建設項目，從地下空間靜力結構穩定性分析角度出發，針對在該項目中涉及的高層和多層建築物以及在其地下20米處開挖了一個用於軌道交通的跨度6米，高7 . 5米的地下隧道這一具體工程情況，採用2d - 3d -有限元結構分析程序對高層與多層建築物的地基基礎及其與城市軌道交通使用的地下隧道圍巖的應力與位移演變規律進行了有限元數值分析計算，探索了地下空間圍巖與高層或多層建築物地基基礎之間的相互影響，通過考慮未受到任何人為擾動影響的天然狀態、地表存在多層或高層建築物狀態和地下開挖用於軌道交通的地下隧道狀態等三種不同狀態以及4個水平剖線和4個垂直剖線等不同情況，從以下幾個方面具體分析研究了計算斷面的應力與位移分佈規律： （ 1 ）在各種不同狀態下計算斷面的主應力矢量圖、位移分布圖（ ux 、 uy ）以及應力等值線色譜圖（ _ 1 、 _ 2 、 _ （ xy ） ）等； （ 2 ）相同狀態下不同水平與垂直剖線的應力_ 1 、 _ 2和_ （ xy ）對比分佈曲線； （ 3 ）不同狀態下相同水平或垂直剖線的應力_ 1 、 _ 2和_ （ xy ）的對比分佈曲線等，為今後在對地下空間的開發利用以及在高層建築物地下開挖硐室時的工程設計和工程施工提供參考依據。
  3. If the quintic term lies in the first terms, the unperturbed system is a quintic nonlinear schrodinger ( qnls ) equation and the cqs equation is not a near integrable systems, it only can be considered a perturbation of hamiltonian system

    若五次項置於主項位置，即未擾動系統是一個五次非線性schr （ ? ） dinger （ qnls ）方程，此時的cqs方程不再是近可積系統，而僅是一個hamiltonian系統的擾動。
  4. With the steady growth of natural gas, the recent hot spot of world sources of energy and with the encouraging progress in such renewable sources of energy as solar energy and wind energy, the proportion of oil in the world ' s unrenewable sources of energy has indeed been lower than before ; nevertheless, upon comparing with natural gas, nuclear energy and other sources of energy, it has been found out that the dominance of oil in the world ' s unrenewable sources of energy will remain unshakable in the coming 20 years though after that period of time there may be intense competition between oil and natural gas for supremacy. although people have been repeatedly made a fool of by the unpredictable oil price and made one misjudgement about it after another, yet given the world general situation of oil supply and demand, the essential variable, with which the oil price will continue to vary, plus other factors, such as the oil price policy of some middle eastern oil producers which is tending more and more rational, it can be roughly concluded that the world oil price will be stable with a slight rise

    再者，隨著天然氣? ?世界能源的新熱點的「蒸蒸日上」 ，在太陽能、風能等可再生能源方面取得的可喜進展，石油在世界一次能源構成中的比例的確已不如往昔，不過，一經與天然氣、核能等進行對比分析，就發現石油在世界一次能源構成中的「霸主」地位在今後20年內仍難撼動，此後有可能會出現天然氣與石油一決高低的局面；在難以捉摸的油價面前，人們曾一次次地受到它的捉弄，一次又一次在它面前「失算」 ，但基於世界石油供求大勢仍將是其變動的基準，再考慮到其他因素，諸如中東產中東石油與21世紀的中國石油女全內容摘要油國的漸趨理性的油價政策等的影響，大致可以得出世界油價穩中有升的結論，當然，由於世界石油市場的本性使然，加上新近出現的加劇市場動蕩的4大不穩定因素的干擾… …油價在未來一段時間內依然難改動蕩本色。
  5. Seniority configuration is unrelated to performance, but performance of the pyramidal organization is higher than diamond for age structure ( 2 ). the effects of age and seniority structure on performance do not seem to disappear even after turnover rate is introduced as a intervening variable, suggesting a robust direct effect of organizational demography on performance

    （ 2 ）無論是年齡結構或年資結構型態對組織績效的影響，均未受到人員流動的干擾而有所改變，此結果肯定了人口結構對組織績效的直接效果。
  6. The results showed that organic matter, the amount of n were slightly high in original shape soil, however, the amount of p, k was slightly low in original shape soil

    有機質、含堿解氮含量略高於未受擾動的原狀土壤，但速磷、速鉀含量均低於原狀土壤，總體評價土壤屬于養分貧乏型；成土程度低、養分含量少是農林業生產水平不高的主要原因。
  7. Comparing to the classic pi control, the results of the simulations show that the proposed controller is effective. it has a robust dynamic performance with a strong capability of restraining unmodeled dynamics and bounded disturbances

    通過換流站控制的模擬實驗，與傳統的pi控制模擬結果相比較，這種新穎的換流站控制器更加符合實際，具有抑制系統未建模動態和有界擾動的能力，因此具有更強的魯棒性和自適應學習能力以及較好的動態性能。
  8. When unknown and bounded disturbance, parametric uncertainties and unmodelled dynamics exit at the same time, the system will automatically tune regulator parameters so as to guarantee robustness of speed synchronized control system and achieve indirectly position synchronized control

    對未知有界擾動、參數變化和未建模動態採用h _魯棒自校正調節器控制，可根據環境與特性變化自動整定調節器參數，有效抑制擾動、參數變化和未建模動態對系統同步性能的影響。
  9. Creep property of undisturbed and reconstituted japanese clay was presented based on drained triaxial compression tests

    摘要研究了黏土的未擾動和重塑土樣在三軸排水剪切試驗條件下的蠕變特性。
  10. In the first part, hilbert ' s 16th problem and the studies on it are introduced, and the results of zq - equivariant vector fields of degree 5 ( q = 2, 3, 5, 6 ) are given. in the second part, the definitions of zq - equivariant vector fields and the method of detection functions are stated, and all the forms of nontrivial zq - equivariant planar polynomial vector fields of degree 7 are obtained. in the third part, a concrete numerical example of zt - equivariant perturbed planar hamiltonian system of degree 7 is constructed, and for the unperturbed vector field having maximal number of centers, its global phase portraits are analyzed ( having at least 9 topologically different phase portraits ). then, for a given parameter group, its phase portrait trend is studied

    第一部分介紹了hilbert第16問題以及它的研究與發展現狀，給出了近年來利用李繼彬提出的判定函數法得出的z _ q -等變（ g = 2 ， 3 ， 5 ， 6 ）的5次系統關於它的第二部分的研究結果；第二部分介紹了z _ q -等變向量場以及判定函數法，給出了7次平面多項式系統的所有非平凡z _ q -等變向量場具有的形式；第三部分給出了一個7次平面擾動hamilton系統，研究了它的具有最大中心數的未擾動系統（ z _ 7 -等變）的全局象圖，得到了9種不同的拓撲圖形。
  11. First, we take the analysis of phase - plane on the invariant plane for the perturbed and unperturbed systems. next, we applied the singular perturbation theory to establish the persistence of invariant manifolds, as well as the " fiber represent at iones " of these manifolds. finally, by using the global integrable theory of the unperturbed system and melnikov measurement we obtai n the existence of homoclinic orbits for the cqs equation under the generalized parameters conditions

    首先，我們在常值平面上對擾動和未擾動系統進行相平面分析；然後利用奇異擾動理論討論不變流形的保持性，並給出不變流形的纖維表示；藉助于未擾動系統的可積結構和melnikov測度，我們得到了三次?五次非線性schr （
  12. Through the unknown perturbation and uncertain estimation of the system, and feedback the estimation to the control system, the active disturbance rejection controller thus realizes the dynamic feedback linearization of those dynamic systems. the adrc theory is unique, and the method is simple, it suited to the non - linear an uncertain hydroelectric power sets

    自抗擾控制理論通過對系統未知擾動和不確定量的估計，並將估計量反饋回控制系統中，從而實現系統的動態線性化，該理論思想獨特，方法簡單，特別適合於具有非線性和時變特性的水輪發電機組這樣的系統。
  13. The new method of design robust h _ asac controller with mixed uncertainty is presented. the main ideal of the new method is as follows : the reduced modals are taken as additional disturbance for system, the original problem is transformed into the problem of robust performance design for the parameter uncertain system. then the parameter uncertain problem is reduced to the standard h _ control problem to solve

    2 .首次基於魯棒h _控制理論，提出了設計具有復合攝動的結構振動聲輻射系統魯棒h _控制器的新方法，即:通過將未建模動態作為系統的附加干擾，把復合攝動問題的魯棒性能設計問題轉化為參數不確定系統的魯棒性能設計問題，然後將參數不確定問題變化為標準h _控制問題求解。
  14. Recently, the expression system of methylotrophic yeast has been developed quickly. as a result of its many advantages, such as high expression, high stability, high secretion and so on, many kinds of protein, including animal, plant, microorganism proteins, have been expressed by this system in the world, but we have not seen any report about yeast expression of poifn - a until now, this research is the first example in the world that poifn - a is expressed by methylotrophic yeast system

    近年來，甲醇營養型酵母表達系統的研究得到迅速發展，因其具有高表達、高穩定、高分泌、能對表達的外源蛋白進行正確的折疊、加工，利於下游分離純化操作、能大規模發酵生產等諸多優點，國內外已經利用此系統表達了多種對人類有益的動植物及微生物活性蛋白，但對豬型干擾素的酵母表達還未見報導，本研究是國內外首次採用此系統表達豬型干擾素。
  15. Several influence factors to result plasma drift in hainan were analyzed. in this paper the characteristics of ionospheric parameters variation were analyzed systematically and some new results in storm - time such as seasonal behaviors were obtained ; it is the first time to investigate the ionospheric drift behavior in hainan and some new results was obtained, the relationships between each two plasma drift velocity components in storm time in hainan were found and the electric filed variation in hainan ionosphere also was obtained ; the results also show that there are big differences of the ionosphere parameters bo and bl obtained from the data with that obtained from the iri - 2001 applied for hainan ; a new phenomena was found during a strong magnetic storm, that a layer with very strong electron density and density grad was found during the recovery phase of the storm, its horizontal scale is beyond 100km and temporal scale is about 2 hours, this phenomena repeated 3 times continuously. a type of negative disturbance in high and low latitude but positive disturbance in east - asia also has been found

    本文較為系統地給出了海南地區電離層的參數變化特徵，特別是得到了一些暴時與以往不同的季節特性；第一次給出了海南地區的電離層等離子體漂移特徵，發現等離子體漂移暴時擾動在三個方向上有內在的聯系，得到了電場變化曲線；研究結果還表明海南電離層的半厚指數和形狀參數等與國際參考電離層iri - 2001存在很大差別；通過對強磁擾動事件期間的參數變化特性分析發現，在磁暴恢復相期間海南地區電離層底部存在一個電子密度非常大的高密度區，高密度區底部電子密度梯度隨高度急劇增加，該區域的水平尺度可達100公里以上時間尺度約為2小時，連續出現過三次，這是一個在海南從來未發現的新現象；研究還發現了暴時東亞地區電離層擾動會出現高低緯負相而中緯正相的現象。
  16. The strategy can reject the deviations from the model mismatch and the disturbances that repeat themselves in the subsequent batches

    本文提出的方法可以有效地消除由於模型誤差和未知擾動引起的質量偏差。
  17. A new robust adaptive scheme which are used for tracking of this robot with parametric and bounded external uncertainties is proposed in this thesis. the controller is consist of a controller which is proposed by slotine1 ' 1 and nonlinear continued feedback compensation part. by estimating the unknown physical parameters of robot on - line, it can eliminate the effects result by parameters and external disturbances and guarantee gas and uniform boundedness of parametric estimation. the only information required in setting up the strategy is the output states of jionts, while the inversion of the inertia matrix or estimation the bound of the inertia matrix and measure the jionts accelerations are not needed. it is shown by simulations that the proposed control scheme has quicker convergence velocity and better control precision than paper [ 1 ] and control schemes at present

    針對該模型具有參數及有界外部擾動不確定性時提出了一種新的魯棒自適應控制策略，控制器由基於slotine的控制器和非線性連續反饋補償控制器構成。通過在線估計機器人的未知物理參數，有效的消除了由參數及外部擾動所引起的不確定性影響，保證系統達到漸近穩定和參數估計一致有界。與現存的許多控制方法相比，該控制策略不需求解慣性矩陣的逆或估計慣性矩陣的界，不需測量關節加速度，而唯一需要了解的只是系統輸出的位置及速度狀態。
  18. Even with unmodeled dynamics and bounded disturbances presented the controller has good robust performance without need of correct dynamic model and parameter estimation. the designed controller has applied to a model of three - generators hvdc system, and the simulations are performed with netomac

    並且這種控制器的設計不需要有精確的系統動態模型，不需要未知參數來滿足線性依賴條件，不需要具體的系統參數估計，即使存在未建模動態和有界擾動，系統仍然具有很好的魯棒性。
  19. Based on the reference [ 22 ], the dynamical modeling converters for hvdc system have been transformed to a nonlinear system represented by input - output model with unmodeled dynamics and bounded disturbances, and a robust adaptive output - feedback nonlinear controller is designed. the controller counteracts the uncertain dynamic nonlinearities and bounded disturbances by nonlinear damping terms, and unmodeled dynamics by a dynamic signal

    本文在文獻[ 22 ]的基礎上，對高壓直流輸電系統換流站動態模型進行變換處理，將其化為一類具有含未建模動態和有界擾動的輸入-輸出非線性系統，並設計了一種魯棒自適應輸出反饋控制器，利用非線性阻尼項來抑制系統的動態不確定性和有界擾動，引入一動態信號來抑制系統的未建模動態。
  20. The results show that the majority of 7be is retained in the top one centimeter of soils, and the concentration of 7be decreases exponentially with soil depth. for the cultivated study field, the depth distribution of 7be is very similar to the undisturbed site when it is n ' t subjected to erosion or deposition. for the undisturbed, there is abroad peak in the 137cs profile close to the surface and the maximum concentration is found circa 2 cm below the surface

    ~ （ 137 ） cs在未擾動土壤剖面中主要分佈在0 5cm范圍內，同時在1 3cm的范圍出現一個~ （ 137 ） cs的相對富集層，在3cm以下隨土壤深度的增加呈指數遞減的趨勢； ~ （ 137 ） cs在農耕地土壤剖面中主要分佈在0 20cm范圍內，由於耕作活動的不斷擾動~ （ 137 ） cs的剖面分佈相對均勻。
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