重力擾動 的英文怎麼說

中文拼音 [zhòngrǎodòng]
重力擾動 英文
gravity disturbance
  • : 重Ⅰ名詞(重量; 分量) weight Ⅱ動詞(重視) lay [place put] stress on; place value upon; attach im...
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  • : 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...
  • 重力 : [力學] gravity; force of gravity; gravity force; power of gravity; pull of gravity; gravitational...
  • 擾動 : excitation; turbulent motion; turbulence; destabilization; [物理學] perturbation motion; [地質學]...
  1. Because it is impossible to adjust the air bearing absolutely balance, the difference between mass center and rotation center must lead to a notable gravity disturbance torque. in the process of identification, modeling and identification of gravity disturbance torque is considered, and an extended kalman filter is educed for identifying air bearing inertia matrix and gravity disturbance torque, and then the algorithm is validated

    由於氣浮臺平衡調試方法和手段的限制,實驗過程中氣浮臺質心與轉中心有一定的位置偏差,必將導致較大的矩,在辨識演算法的推導過程中,點考慮了矩的建模和參數辨識問題,推導了氣浮臺的轉慣量和矩辨識的擴展卡爾曼濾波演算法,並對演算法進行了數學模擬和全物理模擬驗證。
  2. 1 sedimentation anyslys of soil under the action of deadweight ; 2 sedimentation anyslys of structure in using ; 3 endogen force anyslys of structure in using ; 4 soil remolding type anyslys ; 5 homogenous flush works anyslys ; 6 anyslys of the structure sedimentation effects of different flushing amount at the same place ; 7 anyslys of the structure sedimentation effects of different flushing places ; 8 anyslys of the structure sedimentation effects of different horizontal flushing places ; 9 anyslys of the structure sedimentation effects of different vertical flushing places ; getting the different between the endogen force of common structure and that of slant structure. the rule of stricture sedimentation and the effect of different soil remolding type were also gained

    對掏土糾偏過程做了以下9個方面的分析: 1 、土體在自作用下的沉降分析; 2 、建築物在使用階段的沉降分析; 3 、建築物在使用階段的內分析; 4 、土體受類型分析; 5 、均勻沖水施工過程分析; 6 、同一個地方沖水量大小不同對建築物沉降影響分析; 7 、不同沉井沖水對建築物沉降影響分析; 8 、進深不同的土層沖水對建築物沉降影響分析; 9 、不同埋深土體沖水對建築物沉降影響分析。
  3. The principal perturbing forces for launch vehicles, both on the launch pad and in flight, are the aerodynamic loads produced by winds.

    發射飛行器在發射臺上以及在飛行中的是由風產生的氣載荷。
  4. Integrating the power flow program with the tools matlab simulates the transient response of the distribution networks with the direct combination wind generator under disturbances, it provides the credible rationale to the research on stability and maximal penetrable power

    本文結合配電網潮流程序,利用matlab作為模擬工具,模擬包含直接並網風能轉換系統的配電網路在受到情況下的暫態響應,對含有風電場的電系統穩定性研究及風電場極限穿透功率的研究,提供了可靠的理論根據,有要的現實意義。
  5. 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

    本文結合慶市大渡口區「三木花園」開發建設項目,從地下空間靜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與位移分佈規律: ( 1 )在各種不同狀態下計算斷面的主應矢量圖、位移分布圖( ux 、 uy )以及應等值線色譜圖( _ 1 、 _ 2 、 _ ( xy ) )等; ( 2 )相同狀態下不同水平與垂直剖線的應_ 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_ 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。
  6. It is studied that the formation mechanism of taylor bubble and its control method in gas - liquid two - phase flow, which affects the pressure balance and mechanical driving efficiency in the flow of petroleum engineering. experiments show that the formation of taylor bubble in gas - liquid two - phase flow is due to the intensive congregation and amalgamation of small bubbles driven by void fraction waves and that the highly turbulent flow is able to restrain this formation. thus, the flow regime transition may be checked by increasing the flow turbulence and controlling the disturbed frequency

    對大管徑氣-液兩相流中嚴影響壓平衡與機械驅效率的段塞流生成機制和控制方法進行了研究,實驗證明段塞流的形成是由於空隙率波的大幅度增長使氣泡高度集中,並形成聚並所致。強湍流運可以抑制taylor泡的形成。因此,通過強化湍流或控制頻率可以對氣泡聚並起明顯的抑制作用。
  7. It is necessary to study the unsteady nonlinear aerodynamic characteristics of a wig flying in air with disturbed waves for the design of high - performance wig vehicle, especially for the subject that how to improve the safety, maneuver ability near sea wave, and economics of the wig flying over sea waves

    研究地效翼在風浪氣流場中掠海飛行的非定常氣問題,對于高性能地效翼船的設計,特別是對于提高地效翼船在風浪中飛行的安全性,操縱性以及經濟性都是十分要的。
  8. When a strong tide is disturbed by submarine bedforms, its effect on surface drift, breaking criteria, as well as energy dissipation rate of short wind waves are discussed and for a particular case, these effects are estimated using available experimental formulae for drift speed

    本文將phiilips & b ~ r ( 1974 )的理論應用於受地形的強潮流場,探討該潮流場對表面漂流的調制和對風浪破碎臨界條件的改變,並進而討論潮流場對破碎損耗源項的影響,初步給出一個考慮了上述影響的、適用於短波的破碎損耗源項形式。
  9. The form display in chinese and can be operated easily. i has done the following works : ( 1 ) have innovated a computer control system of double - side automatic tig erect welding of aluminium alloy ; ( 2 ) analysed the key technics of the control system completely ; ( 3 ) designed the computer control system ; ( 4 ) solved some possible existing craftwork problems when welding the aliminium alloys ; ( 5 ) solved the existing problems of erect welding such as gravity ; ( 6 ) by the designing of hardware and software, the paper has solved the problem of high frequency interference to the computer control system, such makes the system work steadily ; ( 7 ) established the mode of imitating the dynamic process of welding

    本文主要在如下幾個方面做了一些工作: ( 1 )本文創新性地設計了鋁合金雙面自tig立焊計算機控制系統( 2 )全面地分析了控制系統實施過程中的關鍵技術; ( 3 )微機控制系統的設計; ( 4 )解決鋁合金在自焊接過程中工藝上可能存在的問題; ( 5 )解決立焊工藝中由於等導致的問題; ( 6 )通過硬體和軟體的設計,克服高頻干,從而確保控制系統的可靠性; ( 7 )設計的控制系統可以完成定位焊接,自焊接和模擬焊接; ( 8 )焊接態過程的辯識建模及系統模擬。
  10. So. the low speed jitter problem has been the central task in the servo system research. the improvement of the working precision at low speed is hindered by the disturbances of the friction moment and the motor torque wave, while the decrease of the disturbances is restricted by the making technology. for the reason, the research of the low speed properties and corresponding compensation methods means a lot for the optoelectronic tracking system

    轉臺伺服系統低速工作精度主要受到以摩擦矩、電機波矩為主的矩的影響,而摩擦矩、電機波矩的減小又受到轉臺製造工藝水平的限制,所以,轉臺伺服系統的低速特性以及抖補償研究,對結構簡單、性能優良的精密光電跟蹤系統的研製,具有相當要的意義。
  11. The author considers the swaying disturbance ' s power for the first time when the draught of a ship is not equal to the height of gravitational center of the ship in analyzing exciting force affecting the performance of tank

    在對影響水艙性能的的分析中,首次考慮了船舶吃水和心高度不相等時,橫蕩干所作的功。
  12. The characteristics of the normal equation created in recovering the earth gravity model ( egm ) by least - squares ( ls ) adjustment from the in - situ disturbing potential has been discussed in detail

    摘要討論了在基於能量法確定地球場模型的過程中,利用最小二乘方法由沿軌位數據解算位系數時法方程的特性,在該問題中,法方程只與衛星軌道有關。
  13. On the base of model, considering the disturbance from the other 5 legs and variating load, we design an h - inf controller integrated with ip controller, which makes the system with the advantage of both h - inf control and ip control, and restrains the bad effect from variating disturbance. the simulation shows that this stradgy enhances the system robustness. in another solution, the coupling and load disturbances are regarded as the parameter variations of motor model, and the variation is observed, thus, the coupled dynamics of vamt is decoupled to 6 single motor systems

    在建立了模型的基礎上,本文針對單滑塊控制系統要受到其它滑塊及負載的影響,採用h _控制方法設計的h _控制器與傳統ip位置控制器結合,使得系統具有ip位置控制器和h _控制的雙優勢,有效地抑制了變化對位置輸出的影響,模擬結果表明該方法大大提高了系統的魯棒性;本文提出的另一種方案是將桿間的耦合作用和負載看作電機參數變化,利用觀測器進行觀測,從而將耦合的機床學系統解耦成為6個獨立的電機學系統。
  14. Forest gap is ubiquitous in both undisturbed and disturbed forest ecosystems, which drives the development of forest ecosystem, and affects the composition of plant species, stand structure and succession phase

    摘要林窗是森林生態系統中一種普遍存在的現象,無論是健康的系統還是已經受到過度干的系統,林窗作為森林生態系統發展的要驅,影響著森林的物種組成、結構以及森林的演替方向。
  15. The disturbed interface of a heavy fluid and a light fluid will loss the stability and two fluids will mix turbulently, when the interface is in the gravitational field whose direction is from the heavy fluid to the light fluid or it interacts with a shock wave

    的兩輕流體的交界面,當處于方向由流體指向輕流體的有效場中或受到沖擊波作用時將發展,界面將失穩,兩種物質將發生湍流混合。
  16. The principle of how to supply energy for system has also been studied. secondly, the orbiting satellites are affected by several perturbations. we put the main emphasis on the influence of the perturbations of the atmosphere drag and the earth ’ s eccentricity on the six orbital factors and the simulation ’ s accuracy

    其次,衛星在軌運行時將受到各種干的影響,因此在研究精確地磁場模型電纜繩離軌系統的學特性的基礎上,著研究了大氣阻和地球非球形攝對衛星離軌過程中各軌道參數的影響。
  17. In this paper, we not only analysed the different effects of the disturbing gravitation on the trajectories of different ranges, but also discussed shortcomeings of the spherical harmonics model by which the external gravitation potential of the earth is shown usually. when the model is applied directly to the calculation of the trajectory, since the recurrent calculation can not be avoided, an increase in orders of model will result on a decrease in the speed of calculation

    本文點分析了對不同射程導彈的落點偏差的影響,並且討論了原有計算的球諧函數法在計算速度上的缺陷(由於勒讓德函數的遞推計算,使得隨著模型階數的增加模型的計算速度下降) ,然後對其進行改進使其能更好的適用於彈道計算。
  18. For initial rectangular and hexagonal disturbances on the interface, nonlinear fluid mechanics governing equations are solved respectively with the perturbation method, and 2nd - order approximate solutions are obtained. then effects of nonlinearity on r - t instability are discussed, and its significance is manifested

    應用攝方法求解非線性的流體學方程組,分別針對矩形和等六邊形的界面初始,得到了發展的二階近似解,並分析了非線性對r - t不穩定性發展的影響,指出非線性在其中的要意義。
  19. When the data of logistics in current process are used for input of simulating logistics in future 100 % continuous casting process, supply of hot metal from iron - making process may not satisfy the needs of 100 % continuous casting on raw materials. because planning scheme in continuous casting process depends greatly on smelting scheme in convertor vessel, it is important for operator to balance raw materials supply, smelting and casting in order to realize the scheme of 100 % continuous casting. when some equipment are work abnormally, mixer of hot metal and lf furnace can be used for logistics buffer

    用攀鋼煉鋼生產數據對模擬軟體系統進行的測試和模擬研究結果表明:模擬系統的隨機數發生演算法可以實現對作業時間的依分佈隨機抽取;在相似的輸入條件下,模擬結果與實際生產物流的時間分佈規律基本吻合,達到了模擬軟體設計的預期目標;若以攀鋼提釩煉鋼廠現工藝的鐵水輸入作為全連鑄后的輸入條件,則現工藝的物料供應能可能難以滿足全連鑄生產的要求;連鑄機的連澆計劃對轉爐爐次計劃的編制有很高的要求,合理安排來料、煉鋼與澆鑄三者間的物流平衡關系將是保證全連鑄作業的要條件;當出現設備異常情況時,可以利用混鐵爐與lf爐站前等待作為物流緩沖池,通過延長系統的平均物流時間來緩解因設備檢修和故障等所造成的影響,確保生產的順利進行。
  20. The second aspect : from qgp kinetic equations with collision integrals, by using the relaxation time approximation, we calculate the distribution functions to the second order correction. we obtain the distribution functions for quarks ( and anti - quarks ) and gluons under perturbation of the fluctuation of the color field. then in the high - temperature - low - density area, we discuss the characteristics of the distribution functions, and use t hem to get the net baryon density and the energy density

    第二,從有碰撞項的qgp論方程出發,忽略自旋,在色漲落下,利用弛豫時間近似,得到夸克和膠子分佈函數的二級修正,通過數值分析點討論了高溫低密情況下qgp中成分粒子分佈函數的特性,並且由分佈函數得到凈子數密度和能量密度。
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