相時波動 的英文怎麼說

中文拼音 [xiāngshíbōdòng]
相時波動 英文
phase time fluctuation
  • 相 : 相Ⅰ名詞1 （相貌; 外貌） looks; appearance 2 （坐、立等的姿態） bearing; posture 3 [物理學] （相位...
  • 時 : shí］Ⅰ名1 （比較長的一段時間）time; times; days:當時at that time; in those days; 古時 ancient tim...
  • 波 : Ⅰ名詞1 （波浪） wave 2 [物理學] （振動傳播的過程） wave 3 （意外變化） an unexpected turn of even...
  • 波動 : 1 （不穩定） undulate; fluctuate; unsettle; surge; rise and fall 2 [物理學] wave （motion）; wave...
  1. And the explicit finite difference method, the combining method of the central difference method and newmark s constant average acceleration method, and the transmitting boundary are used. by comparing the acceleration determined by the several methods of the displacements or velocities, a computing method of acceleration employed the one side difference of velocity is more practicality in this research. corresponding to normal incidence of the body waves, p waves or svwaves, and rayleigh surface waves, two two - dimensional finite difference programs are compiled to compu te the dynamic response of two - phase media

    以土力學模型為基礎，利用以土骨架和孔隙流體的四個位移為基本未知量的數值方法去模擬二維飽水介質中的地震波傳播，採用了顯式差分方法（中心差分法和newmark常平均加速度法結合）和透射邊界，通過比較利用幾種差分格式求解的加速度結果，發現一種用速度單邊差分求解加速度的方法在本文研究中較為實用，分別編制了體波（ p波或sv波） 、 rayleigh面波輸入時求解兩相介質動力響應的兩個二維數值分析程序。
  2. As a result, the electromagnetic field intensity is changed accordingly and fluctuating current in the damper coil is created. damping force is mostly produced because of the phase difference between fluctuating current and displacement of rotor. the formulas of fluctuating current and damping coefficient are deduced theoretically, and the calculated results are consistent with the experimental results

    通過分析發現電磁阻尼器線圈內由於轉子渦動時變化的磁場而產生的波動電流與轉子位移間的相位差是產生阻尼的主要原因，推導了波動電流、阻尼系數的計算公式，並通過實驗展示了被動式電磁阻尼器的阻尼效應。
  3. In this thesis, flow regime identification and malfunction diagnosis of fluidization were studied with fractal technology, the presented methods for both flow regime identification and malfunction diagnosis were proved of effectivity. main achievements are as following : 1. fractal brownian motion ( fbm ) was made from gauss noise and compared with pressure fluctuation signal of gas - solid fluidization, which demonstrated the similarity between the fbm and the signal

    在通過fbm （分數布朗運動）數據模擬證明了氣固流化床壓力波動信號與分數布朗運動是相似的基礎上，提出了用分數布朗運動來模擬氣固流化床壓力波動信號，並採用r s分析法從信號時間序列中提取出hurst指數，通過分析信號hurst指數值對流化床流型和結塊故障進行了研究。
  4. On the other hand, it is indicated that the velocity field consists of a depth - independent inertial oscillation and a time - mean shear flow, which can be obtained by subtracting the inertial oscillations time mean in one inertial period. the hodograph of the velocity vector of time - mean flow at the different depths consists of a ekman spiral, and the surface velocity is 30. 3 ? to the right of the wind

    一維模式的流場結果表明，混合層中的流場是由慣性波動與時間平均流兩部分疊加而成，且通過時間平均消去慣性波動后得到平均流，其不同深度的流速矢量構成一ekman螺旋，表層流速矢量相對風向右偏了30 . 3 』 。
  5. Based on the model of safe following distance, the design blue print of system is presented in the text. using the multiple impulses horae rotate speed sensor to measure the vehicle speed and nanometer radar to measure the distance of own vehicle to frontal vehicle, and analyzing and judging collected information by at89c51 which is the control centre of the system

    本文在安全跟車模型的基礎上，提出了系統方案：採用霍爾多脈沖轉速傳感器測量汽車的速度，毫米波雷達測量兩車的距離和相對速度，利用at89c51作為信息採集單元的控制中心，對各種信息進行分析判斷，當行車距離小於報警距離時啟動相關的報警單元。
  6. Since these theoretical analyses are based on inviscid potential flow theory, theoretical calculation and computational simulation may complement each other. the hydrodynamics and undulating propulsion of specimens were studied using three dimensional computational fluid dynamics ( cfd ) modeling. the cfd analysis using kinematic model of undulatory dorsal / median fin draws a series of conclusions, which include that the body drag increases significantly with the lateral body oscillation ; the body drag is minimum while the start point of

    計算結果表明游動過程中的形體阻力隨側向周期性擺動而增大;當背鰭前端位於身體側向最寬處時，形體阻力具有局部最小值，結論與實驗觀測結果相吻合;在實驗觀測的典型運動參數下，波動面的運動方程中的非對稱因素的出現使推進力增大約1 . 10倍。
  7. This paper is aimed at professional analysis of the generation mechanism and some basic points on business cycle fluctuation of real estate industry, and further study of the characteristics of business cycle fluctuation of real estate industry and its relationship with macroeconomic business cycle. writer is prefer to conclude that policy cycle fluctuation is a fundamental cause on business cycle fluctuation of real estate industry in the period of chinese economy system shift. in the end writer su

    本文集中分析和研究了房地產經濟周期波動的生成機理等基本理論性問題，探討了我國房地產經濟周期波動的特徵及其與宏觀經濟周期的相互關系，提出了當前我國經濟轉軌時期，政策周期波動是房地產經濟周期波動的根本原因觀點，同時提出了應對周期波動的房地產業發展政策建議，這些不但是對經濟周期理論的創新，而且更是房地產經濟周期波動理論的擴展。
  8. The writer studies the developed steps of real estate industry in the above - mentioned period and describes its generation mechanism, characteristics and cause of business cycle fluctuation of real estate industry in the period of our economy system shift. it is necessary to point out that policy cycle fluctuation should be a fundamental cause on business cycle fluctuation of real estate industry in china. writer here jumps at the conclusion that the recovery phase and depression phase of business cycle in our real estate industry should be later than the expansion phase and decline phase

    該部分內容由第3章構成，即從房地產經濟周期波動的一般研究轉到對我國房地產經濟周期波動進行分析，從總體上看，改革開放以來我國房地產業的真正形成與發展只有20年的歷史，通過對這一短時期中國房地產業發展的探討，指明轉軌時期中國房地產經濟周期波動的一些主要特點，同時指出我國房地產經濟周期波動形成機制與原因，當前我國經濟轉軌時期，政策周期波動是房地產經濟周期波動的根本原因，並從理論角度分析了房地產經濟周期波動與宏觀經濟周期波動在各個階段間的相互關系，得出我國房地產經濟周期相對于宏觀經濟周期波動來說在復甦期和蕭條期滯后，但高漲期和衰退期卻先行的結論。
  9. Mrs bolton would say in her caressive, persuasive voice. i should think you d enjoy a little run in your chair today, the sun s just lovely

    有時波太太要用這種迷人的動聽的聲音說， 「我相信你今天坐著小車子出去散散步，一定要覺得寫意的，多美麗的太陽！ 」
  10. This article utilizes the questionnaire survey and the scene investigation method, conducts the investigation and study to the yangtze river delta area silk expense in the foundation, the utilization supplies and the demand balanced analysis theory, the time series law, the tendency pre - measurement, the season analyzes the pre - measurement, the elastic analysis theory, as well as method and so on return analytic method carries on the comprehensive analysis to the cocoon silk profession, promulgates the influence cocoon silk profession development in order to the restriction factor, and seeks corresponding solution silk market long - term equilibrium and weakens the price undulation frequent countermeasure

    本文運用問卷調查和現場調查方法，對長江三角洲地區的絲綢消費進行調查研究的基礎上，運用供給和需求均衡分析理論、時間序列法，趨勢預測法，季節分析預測法，彈性分析理論，以及回歸分析法等方法對繭絲綢行業進行全面的剖析，以求揭示影響繭絲綢行業發展的制約因素，並尋求相應解決絲綢市場長期均衡和減弱價格波動頻繁的對策。
  11. In wireless communication, the relative movement between the transmitter and the receiver may cause the change of the electromagnetic wave propagation path, thus makes the channel become a random time - variety channel

    在無線通信中，發射機和接收機之間的相對移動會造成電波傳播路徑的改變，從而使通道變成隨機時變通道。
  12. Study achievement appears as following aspects : ( 1 ) yellow river estuary gate river flow and tide flow mixed area is not keep standing deposition status, on special income water and sediment conditions, boundary conditions and oceanic power conditions, this area may on the scour status ; ( 2 ) observed from estuary sediment deposition distributing process : delta and sea offing area sediment deposition vary trend is similar, each part sediment deposition scale varies as wave shape ; ( 3 ) on estuary gate, affect the sediment deposition factors, primary factors are tide prop, the gate widens gradually, estuary gate have branches, brine induced flocculation. this paper study the estuary gate widen, estuary gate have branches to affect the river channel deposition in quantity ; ( 4 ) based on field measured data, for the first time, deduce the estuary sediment deposition and distributing regress formula which can estimate estuary different areas sediment deposition volume ; ( 5 ) this subject demonstrate the estuary delta coastline dynamic balance conception, build the relationship between the estuary income sediment with deposition land area, draw the following important conclusion : when estuary years - averaged income sediment keeps at 345 million tons, the delta coastline may on the dynamic balance status. ( 6 ) this subject firstly brings up estuary sediment optimized control conception, and has the primary study on the macroscopically optimized control conception method

    研究認為： （ 1 ）黃河河口口門逕流潮汐區域並非持續保持淤積狀態，在特定的來水來沙、邊界條件和海洋動力條件下，該區域可以處于沖刷狀態； （ 2 ）從河口泥沙沉積分配的過程來看：三角洲與濱海區泥沙的沉積變化趨勢是基本一致的，各部位的泥沙沉積比例變化基本呈波動狀態，且三角洲與濱海區泥沙的沉積比例與來沙量密切相關，基本成正比關系； （ 3 ）在口門處，影響泥沙沉淤的因素主要集中在潮汐頂托、口門逐漸加寬、河口門分汊、鹽水造成絮凝等，本報告主要對口門加寬，口門西妥理工大學工程碩士專業學位論文分漢對河道淤積的影響進行了定量分析: （一扣根據實測資料首次建立了河贖流路泥沙沉積分配的回歸計算式，據此可以預估計算河口不同區域泥沙的沉淤量; 、 5 ）本項研究首次論證了河口三角洲岸線動態平衡的概念，並建立了黃河河口來沙量與造陸面積的相關關系，得出了當河口多年平均來沙量維持在3 . 45億t時其河口三角洲岸線則可能處于動態平衡狀態的重要結論; 『 6 ）本項研究首次提出了河口泥沙優化調控的概念，並對其宏觀優化調控模式進行了初步探討。
  13. The wavelet multi - analysis is adopted to further understand the microstructure of solids holdup fluctuation, the vivid fingermark images show that it is a fractal and dissipative structure. the low and frequency signals reflect the dilute phase fluctuation behavior and dense phase ( cluster ) fluctuation behavior, respectively. to deep understand the multi - scales characteristic of gas - solids circulating fluidization, the wp decompose methods for obtaining the eigenvalue of gas - solid fluidized bed has been developed. the results show that eigenvalues of different scales are effective for identification of non - uniform and dynamic structure of gas - solid fluidized bed

    小波多分辨分析法得到指紋圖形象地揭示了顆粒濃度脈動的自相似、分叉等具有混沌特徵的微觀結構；小波分解后信號中的低頻和高頻成分分別代表了稀相和密相的脈動行為，小波包分解提取能量特徵值的方法能夠揭示氣固的多尺度特性，不同尺度上的能量特徵值四川大學碩十論文反映了氣固循環流化系統中存在的非均勻動態時空結構。
  14. At the turn of the year, out of concern about the possibility of much greater financial market volatility resulting from strong forces pulling in different directions, i sounded a general alert on the need for all concerned, particularly those running leveraged positions in financial markets and those providing the finance, to manage their risks

    年初時眼見多方強大的因素互相角力，我擔心金融市場或會有巨大的波動，因而提醒有關各界尤其是參與杠桿式投資或提供有關融資的朋友要留神，好好管理當中涉及的風險。
  15. As releases of economic data cause international market sentiment to shift its focus from one aspect to another, there is a tendency for the forces pulling in a particular direction to dominate temporarily and move markets substantially, before the spike is compensated or reversed by other strong forces

    我認為金融市場波動加劇的原因其實很簡單，就是金融市場受到來自不同方向的強大力量牽扯。國際市場焦點受各種經濟數據影響而轉移，不同的力量互相角力，在不同時間內短暫主宰市場方向，促使市況大幅上落。
  16. According to these accomplishments, several techniques are expounded emphatically in this paper, including 3d refraction statics, coherent noise suppression by prestack wave field separating ( prestack fx noise attenuation ), 3d prestack multiple domain random noise attenuation, multiples attenuation, nmo of unsymmetrical hyperbola, dynamic replacement of wave equation, surface - inconsistent residual static, super bin stacking, poststack depth migration and prestack depth migration. all the techniques have been applied in seismic processing of 2d, 3d and wide - line profiling and obtained good results

    本文根據項目組研究成果，重點閘述了三維折射波靜校正技術，疊前波場分離相干噪音壓制方法（疊前fx去噪） ，疊前三維多域隨機噪音衰減技術，多次波衰減技術，非對稱雙曲線動校正技術，波動方程動態替換技術，非地表一致性的剩餘時差靜校正技術，超面元迭加處理技術，疊后深度偏移處理，疊前深度偏移處理等。
  17. Control chart is a kind of charts that are used to analysis and determinate whether a process is in - control or not. it use a graph to illuminate the quality variations in production process, and help to find the sources of the variations - common causes or special causes. it is a useful statistical method to keep a process in a stable situation

    控制圖是用於分析和判斷工序是否處于控制狀態所使用的帶有控制界限的圖，它通過圖形的方法，顯示生產過程隨時間變化的質量波動，並分析判斷它是由於偶然因素還是由於系統因素造成的，從而提示管理者及時採取相應的措施，消除系統因素的影響，保持工序的穩定狀態而進行的動態控制的統計方法。
  18. Soil - structure dynamic interaction is the dynamic responding of soils, foundation and superstructures excited by wave propagation in soils and structure virtually and, dynamic analysis of soil - foundation interaction is the key problem in studying soil - structure interaction

    土?結構動力相互作用的本質就是波動在結構地基系統內傳播時引起的結構和地基的動力反應問題。研究土?基礎結構的動力相互作用是分析土?結構動力相互作用的關鍵。
  19. Buy more units when market prices go down and buy fewer units when market prices are high. in the long run, you may benefit from a lower average cost for the same number of units

    當基金價格下跌，你可買入更多單位；相反，當基金價格高企時則買入較少單位。長遠而言，每個基金單位可享較低的平均成本價，從而減少短期市場波動所帶來的風險。
  20. In accordance with the driving characteristics of ac driving locomotive, the working status of its traction transformer is analysed. the questions that should be considered in the traction transformer design of ac driving locomotive are mentioned. these questions are the large short - circuit impedance of traction winding, higher harmonic current, over - excitation and dc magnetization caused by large variation of the network voltage, etc. some disposal methods are given

    針對交流傳動電力機車的傳動特點，對其中的牽引變壓器的工作狀態進行了分析，指出交流傳動電力機車用牽引變壓器設計時需考慮的牽引繞組的短路阻抗大、電流的高次諧波、網壓波動大可能引起的過勵磁以及直流磁化等問題，同時給出了相應的一些解決方法。
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