諧和振動 的英文怎麼說

中文拼音 [xiézhèndòng]
諧和振動 英文
harmonic vibrations
  • : Ⅰ形容詞1 (和諧) in harmony; in accord; in tune 2 (詼諧) humorous Ⅱ動詞(商量好; 辦妥) come t...
  • : 和動詞(在粉狀物中加液體攪拌或揉弄使有黏性) mix (powder) with water, etc. : 和點兒灰泥 prepare some plaster
  • : 動詞1. (搖動; 揮動) shake; flap; wield 2. (奮起) brace up; rise with force and spirit
  • 振動 : vibrate; vibration; vibrance; vibrancy; vibra; vibes; shaking; rumble; jitter; chatter; sway; jar...
  1. Treating the anharmonic terms of potential energy as perturbations, and employing the formulas for atomic displacements and hamiltonian in phonon occupation number representation, the formulas for thermal expansion coefficients of crystal nano - wires are derived and the numerical calculations are carried out in this paper

    摘要將原子間相互作用勢的非項作為微擾,運用聲子數表象中的晶格原子位移晶格哈密頓公式,推導了納米晶體線的熱膨脹系數公式,並進行了數值計算。
  2. Abstract : considering the second nearest - neighbor interaction and cubic, quartic anharmonic interactions simultaneously, we employ the multiple scales method combined with a quasidiscreteness approximation to calculate the lattice vibration. it is shown that the kind of nonlinear chain exhibits envelope soliton, envelope kink and envelope antikink soliton. these results can also be used to explain the experimental phenomena that the kink amplitude of the self - localized structure is determined only by the intrinsic properties of its lattices

    文摘:同時考慮次近鄰相互作用三次方、四次方非相互作用,利用多重尺度結合準離散近似方法去計算晶格行為,發現一維非線性點陣中存在包絡孤子及正扭結型包絡孤子、反扭結型包絡孤子,解釋了自局域結構的幅度只取決于點陣中的固有參數的實驗現象
  3. We acquired the system ' s dynamic response when the satellite attitude was adjusted and the mode of the antenna. then modal analysis and dynamic analysis have been done to the satellite - antenna system by using the finite element analysis ( fea ) software of ansys. through the analysis we got the system ' s connatural characteristic, the amplitude - frequency characteristic of harmonic response, the power spectrum density of random vibration response, the maximal amplitude and resuming time of impact response

    其次藉助ansys有限元分析軟體,對系統進行了模態分析力學響應分析,獲得了不同天線結構參數下的衛星?天線系統的固有特性,簡響應的幅頻特性,隨機響應的功率譜密度,以及沖擊響應的最大幅值恢復時間等。
  4. The main features of the apparatus are focus on small volume, light weight, no iron core, no magnetic saturation and no ferreous resonance, moreover, related advantages such as the large range of transient and frequency response, excellent electrical magnetic compatibility, oil - free configuration, reliable insulation structure, are all the trends of current transformer in the future. meanwhile, it should agree with the future power gauge and digital, computer, automatic relay protection. it will meet the demand of digital power network

    它具有體積小、重量輕;無鐵芯、不存在磁飽與鐵磁問題;態響應范圍大,頻率響應寬;抗電磁干擾性能強;無油化結構、絕緣可靠、價格低等優點;是未來電流互感器發展的方向,是新一代電力數字網發展的需要,適應電力計量保護數字化、微機化化發展的潮流。
  5. This paper researches and analyses the developments of web technology and magnetostrictive transducers from world wide region. the paper also analyes the characteristics curve of magnetostrictive transducers based on its equivalent circuit and researches the method how to make sure its syntony frequency and its electric simulation network parameters. at the same time, by using jsp technology, a magnetostrictive transducer electric simulation application is designed based on b / s three - tier system structure. the experiment data is fitted by curve fitting module. the equivalent input impedance of it with stimulate loop is separated based on the results of curve fitting and the syntony frequency and electric simulation network parameters of magnetostrictive transducers is determined by the input impedance. the method presented in this paper can determine the syntony frequency and electric simulation network parameters of magnetostrictive transducers with a better accuracy than the testing method of syntony & anti - synton y. further more, jsp, the advanced technology at current, has been used to realize a magnetostrictive transducer web electric simulation system. the system has good human computer interface and the function of resource sharing and information publishing. the research of this paper and its achievements have some practical merits in the researchful and applied fields of magnetostrictive transducer

    用java編程語言編寫的曲線擬合模塊,對輸入的實驗數據進行了最小二乘法的曲線擬合;根據曲線擬合結果可從帶激勵線圈的磁致伸縮換能器的輸入阻抗中分離出磁致伸縮換能器鐵芯在無激勵電流時由機械形成的等效輸入阻抗,並由此輸入阻抗確定磁致伸縮換能器的頻率及電氣模擬網路參數。本課題提出的方法與傳統的?反法相比,能更準確地確定磁致伸縮換能器的頻率及其電氣網路參數。同時,採用當前比較先進的web技術,實現了基於jsp的磁致伸縮換能器web電氣模擬系統,該系統具有良好的人機界面資源共享、信息發布功能。
  6. Secondly, based on the syntony frequency and the elasticity mechanics and other correlative professional knowledge, establishes a suit of fsm vibration module system, selects the structure, material and the process and treatment technique of the elastic element in the elastic system of the mirror, analyzes a lot of factors which affect the structure of the rapid controlling reflector and provides the derivation formula

    頻率為出發點,利用彈性力學等相關專業知識,建立一套fsm的模塊系統;確立了反射鏡彈性系統中彈性元件的結構、材料的選擇,及加工,熱處理。分析了影響快速控制反射鏡結構的諸多因素,給出其相關推導公式,最後應用solidedgecosmos軟體對該結構進行了計算機模擬。
  7. The simplest form of wave motion consists of the combination of a transverse simple harmonic vibration and a uniform translation.

    的最簡單形式是橫向簡勻速直線運的組合。
  8. ( 3 ) we investigate the nonlinear dynamics of the rotor - ambs system in 1 / 3 and 1 / 2 subharmonic resonances. using the multiple method of scale, the averaged equations of the rotor - ambs system are obtained

    ( 3 )利用多尺度方法,研究了電磁軸承-轉子系統的1 3亞1 2亞情況下的非線性力學,得出了兩種共情況下的頻幅響應方程。
  9. The main original work is as the followings : 1. longitudinal vibration of an integral pile in an uniform soil with end bearing boundary or elastic bottom boundary undergoing vertical harmonic load is theoretically investigated

    主要工作如下: 1 、分別對均質土中完整端承樁彈性支承樁在垂直力作用下的縱向特性進行了研究。
  10. After analysis of the parameters of the devices, a conclusion is achieved that we can directly use the parameters of the dampers instead of devices to design the buildings in the common situation. then a one - freedom modal is used to compare the differences of performance between these two dampers under harmonic load. finally, three buildings, which are installed with viscoelastic dampers, viscous dampers and no dampers respectively, are analyzed using finite element method, time history method and response spectrum method, and the result is the same as that of harmonic analysis

    如果支撐剛度較小,應採用本文推倒的公式計算阻尼裝置的性能參數;利用單質點模型進行阻尼結構在簡荷載作用下的性能分析,並比較了粘彈性與粘滯阻尼結構在控制方面的性能差異;最後利用數值方法分別對未安裝阻尼裝置結構,安裝了粘彈粘滯阻尼裝置的三種結構進行了反應譜時程分析,得到了與理論分析一致的結果。
  11. Then the dynamic behavior analysis and harmonically excited transient response analysis are conducted. the time increment method achieves the nonlinear discretized dynamic equations

    接著進行了懸索的力特性分析的瞬態響應分析,利用增量法實現了離散化的非線性力方程組的迭代求解。
  12. The influence of the eccentricity mass moment, position of mass center and the bearing stiffness to the vibration characteristics of the rotor system is discussed in detail ; 3. to verify the exactness of fem and learn the principle of vibration of dredge pump further, the orbit of the rotor shaft of the pump in the dredger is measured, the measurement results show : the repeat of the orbit of the rotor shaft is very bad when dredge pump is in the dredging mud condition

    模態分析確定了泥泵的特性(固有頻率型) ;響應分析確定了泥泵轉子軸在偏心力的作用下軸截面處的最大響應位移;研究了轉子軸的質心位置、軸承剛度質量偏心矩對轉子軸特性的影響; 3 、採用軸心軌跡法,實船測量了泥泵軸工作時響應值。
  13. Under windows nt and labview development environment, using the linear fit module, exponential fit module > general polynomial fit module of labview to design a method for fitting the experiment data, the results of curve fitting indicate that the purpose of general polynomial fitting is better than the rest. separating the equivalent input impedance of magnetostrictive transducers without stimulate current from input impedance of it with stimulate loop based on the results of curve fitting, and determining the syntony frequency and electric simulation network parameters of magnetostrictive transducers by this input impedance. finally, with labview network functions, realizing magnetostrictive transducer electric simulation system based on web server and discussing a scheme for this system network by datasocket. the method of this paper can more accurately determine the syntony frequency and electric simulation network parameters of magnetostrictive transducers than the testing method of syntony & anti - syntony. at the same time, discussing virtual instrument measurement system and how to realize magnetostrictive transducer electric simulation network system by labview network functions of network virtual instrument measurement development environment

    在windowsnt系統環境labview虛擬儀器技術開發平臺下,首次利用labview中的直線擬合模塊、指數擬合模塊以及多項式擬合模塊,設計了一種對實驗所得數據進行曲線擬合的方法,對三種擬合方法進行了比較,曲線擬合結果表明,多項式擬合方法相對于其它兩種擬合方法效果更好;根據曲線擬合的結果可從帶激勵線圈的磁致伸縮換能器的輸入阻抗中分離出磁致伸縮換能器鐵芯在無激勵電流時機械形成的等效輸入阻抗,並由此輸入阻抗確定了磁致伸縮換能器的頻率及其電氣模擬網路參數;最後通過labview提供的網路功能,實現了基於web服務器的磁致伸縮換能器電氣模擬虛擬儀器測試系統,並探討了通過datasocket技術實現該系統網路化的方案。
  14. The increasing of single channel capacities and evolution of optical networks topology, from simple point - to - point to intelligent optical networks, call for strict demands to optical filters. in this paper, the crucial technologies of optical filters such as interleaver, optical digital filter, fused biconical taper all - wave coupler as well as polarization - pump combiner have been studied experimentally and theoretically, which include : 1. a new process, cascaded fbt ( fused biconical taper ) with precise control as well as strict interference arm length difference, is proposed for the first time to our knowledge

    單通道速率不斷提高以及網路拓撲由單一的點對點傳輸向可上下載的環網態選擇波長路由的智能型格形光網路演進,對光濾波器的常規性能指標、時域特性態可調特性提出了更加苛刻的要求,鑒於此,本論文全面研究了全光纖熔錐型奇偶交錯濾波技術、數字光濾波技術、基於g - t全通濾波器的奇偶交錯濾波技術以及熔錐型全波耦合器泵浦合波器。
  15. There is nearly no research on using active control method to reduce ship structural vibration stirred by slamming. this thesis studied theoretically on active cable and active tuned mass damper which were designed on the base of lqr theory. then the thesis studied concretely on the validity of active cable by an example

    本論文對船舶結構波浪砰擊響應的主控制方法進行了研究,主要對基於線性二次型最優控制原理設計出來的主纜作式調阻尼器兩種控制器做了理論原理器構成上的探討,並進一步研究了主纜作器運用於船舶因波浪砰擊引起的結構控制的有效性。
  16. Based on the vibration test in yantan hydropower house, in this paper the author adopt les method which belong to three dimensions unsteady turbulent flow numerical analysis to simulate vibration resource characteristics of hydrogenerator set, a harmonic vibration model of powerhouse substructure is put forward to carry out firstly a precise modal analysis and dynamic response analysis for generator floor. the numerical calculation results agree well with the surveyed data in situ

    本文結合巖灘水電站廠房的試驗研究,採用非定常湍流數值分析的大渦模擬方法進行混流機組水力源模擬;提出一種水電站廠房下部結構簡模型,首次進行了發電機層樓板結構的精確模態分析水力激荷載下的力響應分析,各項計算結果與實測數據吻合良好。
  17. The main work includes : based on biot ' s dynamic consolidation equations, by the method of integral transform and matrix transfer, two - dimensional consolidation of layered saturated soils is studied. then, the general integral solutions of stress ( including pore pressure ) and displacement ( including fluid flow ) of any point were obtained under harmonic vibration loads according to staunch boundary condition. second, a program to verify the correctness of this dissertation is developed

    主要工作有:本文根據biot平面力固結方程,運用積分變換矩陣傳遞的方法,研究了成層飽地基的二維biot固結問題,根據下邊界為不透水基巖的邊界條件,獲得了地基表面作用簡荷載時,任意點應力(包括孔壓) 、位移(包括流體流量)的一般積分形式解。
  18. In chapter 4, the model - building principle and calculating method of finite element dynamic analysis for large - sized assembled structure are discussed. the substructure model for hydropower house vibration analysis is established to obtain precise modal of generator floor. the harmonic vibration assumption is adopted to calculate house structure ' s dynamic response from hydraulic excitation force of hydraulic turbine generator unit

    第四章討論了大型組合結構有限元力分析的建模原則計算方法,建立水電站廠房分析的下部結構模型,對巖灘廠房進行整體模態分析,較準確地得出發電機層樓板自特性;同時引進簡假定,迸行了機組水力作用下的廠房結構的力響應分析。
  19. We study the time evolution law of the atomic response in an open - type inversionless lasing system when the probe or driving field is off - resonance, and compare the law with that obtained when the probe and driving fields are resonant. we find that the detuning has considerable effects on the time evolution law : when the probe or driving fields is off - resonance, the dispersive responses for the probe and driving fields are no longer 0 and the two - photon coherence is no longer a pure real ; the variation of the probe detuning can make the time evolution law of the population distributions and the gain ( absorbtion ) of the driving field changing obviously ; with detuning increasing, the time evolution behavior of the gain ( absorbtion ), dispersion of the probe field and the two - photon coherence will gradually diviate from the evolution law of the standard damped oscillator ; with the driving detuning increasing, the oscillating time of the dispersion of the driving field becomes longer, the amplitude and the stationary value increase

    研究了探測場或驅場失情況下開放的型無粒子數反轉激光系統中原子響應的時間演化規律,並與探測場場都共時的演化規律進行了比較.我們發現失對時間演化規律有顯著的影響;當驅場或探測場失時,原子對探測場場色散的響應不再為零,雙光子相干不再是純實量;探測場失的變化將使粒子布居場增益(吸收)的時間演化規律明顯改變;隨著失的增大,探測場增益(吸收) 、色散雙光子相干隨時間的演化行為逐漸偏離標準阻尼子的演化規律;驅場色散驅場失量的增加而蕩時間變長,穩定值變大
  20. The other is the resonance of boom system of the truck - mounted concrete pump and the frequency response of displacement and acceleration of testing point. the main results and argumentations of this thesis are listed below in detail. 1. based on the certain boom system model of the truck - mounted concrete pump made in china, three - dimensional model of boom system of the truck - mounted concrete pump is built by using the softwar of pro / engineer

    2 .基於剛柔混合柔臂架模型,利用adams的模塊,以混凝土流時的沖擊力為激勵對臂架系統進行了響應研究,得到臂架響應的幅頻曲線,並對結果曲線進行了分析,在此基礎之上,研究了油缸阻尼對臂架末端位移加速度的影響。
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