致擾運動 的英文怎麼說

中文拼音 [zhìrǎoyùndòng]
致擾運動 英文
exciting motion
  • 致 : Ⅰ動詞1 （給與;向對方表示禮節、情意等） deliver; send; extend 2 （集中於某個方面） devote （one s ...
  • 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...
  • 運 : Ⅰ動詞1 （物體位置不斷變化） move; revolve 2 （搬運; 運輸） carry; transport 3 （運用） use; wield...
  • 運動 : 運動[舊時用語] arrange things or get things done through pull
  1. At linear stage, the theoretical growth rate for the rt instability in cylindrical and spherical geometries was enhanced ( or reduced ) due to the decrease ( or increase ) in the perturbation wavelength during an implosion ( or explosion ). even in the absence of an acceleration the perturbation could grow in the convergent geometries. the amplitude growth rate was proportional to the cube of the convergent ratio in spherical geometry and to the square of the convergent ratio in cylindrical geometry

    在線性階段，已有的研究表明：一方面，在內爆（或外爆）過程中擾動波長變短（或變長） ，使得不穩定性的增長率變大（或變小） ；另一方面，即使不存在界面加速度，界面運動仍然可能導致擾動幅度的增加，柱幾何中擾動幅度的變化速率正比于界面收縮比的平方，球幾何中擾動幅度的變化速率正比于界面收縮比的三次方，並且擾動幅度的變化方式（增加或減少）只與初始時刻擾動幅度的增長速率（正或負）有關，而與界面的運動方向（向內或向外）無關。
  2. 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-液兩相流動中嚴重影響壓力平衡與機械驅動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。強湍流運動可以抑制taylor泡的形成。因此，通過強化湍流或控制擾動頻率可以對氣泡聚並起明顯的抑制作用。
  3. If dispatchers make misjudgment or leaky judgment for this kind of faults, maybe it will bring out serious aftereffects such as accident spread, etc. thus, it is necessary to develop a fault diagnosis method with strong robustness to suit all kinds of disadvantaged instances, and assist dispatchers to identify faults quickly for guarantying power system ' s safe and stable running

    當電力系統發生復雜故障或開關?保護存在較多誤動?拒動以及因信息干擾發生信息丟失等諸多不確定因素時，會使得故障后的系統響應復雜化，給故障診斷工作造成很多困難，如果調度員對故障發生誤判，漏判，可能會導致事故擴大等嚴重後果。因此，有必要發展一種魯棒性強，適應各種不利情況的故障診斷方法，協助調度人員迅速識別故障，保證電力系統的安全穩定運行。
  4. Base on review of existed study and application in suppressing cable vibration in the world, technique of mitigating cable vibration with viscous damper and mr damper has been investigated in this dissertation, and the main contents and progresses in form of summary are as following : 1 the motion differential equations of the cable - damper system are formatted, which take into account these factors, such as the inclined angle, sag, stiffness etc. coupling motion between cable and deck is studied with analytical and numerical method. numerical results show that large amplitude vibration of cable with beat rhythm will occur when exciting frequency of deck equals two times modal frequency of cable

    本文在對國內外斜拉索振動控制研究與應用現狀進行綜合評述、分析的基礎上，針對上述問題進行了深入研究，具體的研究內容和取得的成果包括： 1 、建立了斜拉索-阻尼器系統運動方程，對拉索與橋面的耦合振動作了分析和研究，數值結果顯示當橋面激振頻率等於某階拉索模態頻率的兩倍時，很小的初始擾動將引起拉索的大幅振動，並呈現拍振的特徵，與實測的拍振信號一致。
  5. The one is problem of motion control for nonholonomic wheeled mobile robot, the other is anti interference in mobile robot ' s motion

    本文針對近年來在移動機器人運動控制方面的熱點問題? ?非完整約束輪式移動機器人的運動控制問題和干擾抑制問題? ?進行了深入和細致的研究。
  6. Loss of information during transmission of compressed video over error prone networks may lead to objectionable visual distortion in the decoded video, and such distortion can propagate to many frames because of the motion compensated prediction and the variable - length coding used

    採用運動補償預測及可變長編碼的壓縮視頻數據，在極易發生干擾的網路環境中傳輸時，通道傳輸差錯對壓縮編碼圖像質量影響很大，有時甚至會導致整個視頻通信完全失效。
  7. Alcohol may help induce sleep, but it interferes with rem sleep and leads to nonrestorative sleep and early awakenings

    酒精有助入睡，但干擾快速眼球運動睡眠相，導致早醒和睡后精力未恢復。
  8. However, the traditional dc motor uses brush so as to switch the phases, so there are relative mechanical frictions. then it comes out many fatal failing, such as yawp, spark, wireless disturb, etc. what " s more, its making cost is high, its maintain is also difficult, therefore its application is greatly limited

    直流電動機具有運行效率高和調速性能好等諸多優點，但傳統的直流電動機均採用電刷，以機械方法換向，因而存在相對的機械摩擦，由此帶來了噪聲、火花、無線電干擾以及壽命短等致命弱點，再加上製造成本高及維修困難等缺點，從而大大地限制了它的應用范圍。
  9. The former one is a product of the pressure pulsation resulting from the fan blade periodically cutting the air, with the blade passing frequency as its base frequency and accompanied by higher harmonics. the wide - band turbulent noise is formed when the rotating fan forces the surrounding air to produce turbulent throw - outs and results in gas thickening and thinning processes

    旋轉噪聲是由於風扇的葉片周期性地切割空氣，引起空氣的壓力脈動產生的，以葉片通過頻率為基頻，並伴有高次諧波。湍流噪聲是由於風扇運動導致的周圍空氣發生湍流脫體，使空氣發生擾動，形成氣體的壓縮與稀疏過程而形成的，是一個寬頻帶噪聲。
  10. But, the alarm signals from scada have disadvantages as follows : ( 1 ) the open - air feeder terminal units ( ftu ) are interfered by strong electromagnetic and thunder. besides, the failure of relays and the fault of ftu can also lead to that fault information is interfered and aberrant. ( 2 ) in the process of transmission and commutation, the error in the communication equipment may result in the signals err or lose

    然而，現有的scada系統在配電網發生故障時提供給調度員的警報信息有如下局限性： （ 1 ）面向現場的戶外饋線終端ftu運行環境惡劣，承受強的電磁、雷電干擾，並且由於繼電器節點故障、 ftu元器件損壞等因素的存在，使得配電網信息受干擾、畸變的可能性較高； （ 2 ）在信號傳輸及變換過程中，通訊裝置的故障等原因，也可能導致信號出錯甚至丟失； （ 3 ）保護裝置和斷路器本身也有可能誤動或拒動。
  11. In order to avoid the turbulence caused by various forms of excitation fell under the operating course, a kind of robust track controller was designed, thus ensured the consistent final value of the tracing error to be bounded

    為避免運行過程中受到的各種激勵形式造成的擾動，設計了一種魯棒軌跡控制器，保證了跟蹤誤差的一致終值有界。
  12. Based on a reduced - order model, the vsc of flexible rotor - magnetic bearing system is also investigated. a master - slave controller composed of a pc586 and a tms320c50 dsp board is build and a flexible rotor - magnetic bearing test rig is developed. simulation and experimental results show that the vsc is insensitive to the spillover problem due to the model truncation and parameter uncertainty

    結果表明，變結構控制器對于因模態截斷及非並置問題導致的未建模動態以及因系統自身特性變化而導致的參數攝動具有不敏感性，系統在上浮過程、受到外界擾動及復雜運轉情況下的性能均優于pid控制器。
  13. According to whether marketing activities would lead to the external cost besides of the marketing expenses, the thesis defines marketing neutrality and points out marketing essentially is a process to achieve the value of exchange with the lowest exchange expenditure. the author hold marketing non - neutrality is only such a superficial phenomenon that distorts the substance of marketing, and it will exert external influences to economy, such as wasting resources, restaining competition, and so on

    擬從營銷活動是否會干擾經濟、社會的正常運行，是否會引致營銷支出之外的外部成本來界定營銷中性，並運用經濟學的微觀分析揭示營銷本質是「以最低的交易費用，實現價值交換」 。
  14. Future wireless communication systems trend to provide multi - services to mobile users. cdma technique is adopted by the 3rd generation mobile communication systems due to its flexibility in supporting multi - services. how to keep qos of heterogeneous services and utilize the scarce radio spectrum resources is challenging for 3rd generation mobile communication systems in this thesis we developed a radio resource allocation framework for wireless code division access ( cdma ) networks that support multi - class traffic with different data rates and bit error rate requirements. we proposed a new resource allocation scheme using joint adaptive power control and mmse multiuser receiver in multipath fading system

    為移動用戶提供多種業務服務是未來無線通信網路的主要發展方向。由於cdma技術具有靈活支持多種業務的優點，因而被第三代移動通信系統所采納。如何在惡劣的無線傳播環境里以及用戶運動且相互干擾的情況下為為各類業務提供qos保證，同時充分利用珍貴的無線頻譜資源，是基於cdma技術的第三代蜂窩通信系統必須致力解決的問題。
  15. This often leads to considerable volatility and market dislocation, causing the prices of whatever is traded in those markets to overshoot, to the extent of creating systemic problems that could be quite damaging and difficult to handle

    市場因此大幅波動，運作亦受到干擾，使市場價格出現超買或超賣的情況，與基本因素脫節，最終導致棘手的系統性問題發生，危害整體經濟。
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