波動傳播 的英文怎麼說

中文拼音 [dòngzhuàn]
波動傳播 英文
wave propagation
  • : 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...
  • : 傳名詞1 (解釋經文的著作) commentaries on classics 2 (傳記) biography 3 (敘述歷史故事的作品)...
  • : 播名詞(姓氏) a surname
  • 波動 : 1 (不穩定) undulate; fluctuate; unsettle; surge; rise and fall 2 [物理學] wave (motion); wave...
  • 傳播 : 1 (廣泛散布) disseminate; propagate; spread; (over); diffuse; transmit; run 2 [物理學] propag...
  1. The disturbance is sound wave, conforming to the laws of acoustic propagation in solids.

    這種擾是種聲,它遵從在固體中聲規律。
  2. Most of the dynamic process data in the solid material, such as the dissemination of stress waves, the fold of stress waves, and the interaction of crack and stress waves can be acquired directly by the dynamic photoelasticity experiment

    光彈實驗能直接獲得固體介質中應力、疊加以及裂紋與應力相互作用的態過程,可真實反映爆炸過程的信息與規律。
  3. The equations of motion governing the axisymmetric elastic deformation of finite orthotropic cylindrical shells, involving the effect of transverse shear and rotational inertia, are derived. by applying the reverberation method, the displacement and the resultant forces of the shell in the phase space are expressed. then the transient waves in the finite orthotropic cylindrical shell subjected to the axisymmetric impact are obtained by using inverse laplace transforms. furthermore, the transient solutions are decomposed to the generalized ray integrals and computed numerically

    分析了計及剪切變形和轉慣性的有限長正交異性圓柱殼中彈性瞬態問題,採用回矩陣法,在相空間中給出了位移和內力的表達式。再利用laplace逆變換,得到正交異性圓柱殼受軸對稱沖擊作用時彈性瞬態解,然後將其分解為若干廣義射線積分之和,並用數值方法求解之。
  4. Here we discuss only two special types of wave propagation problems that have a direct bearing on both theoretical and applied seismology.

    在這里我們只討論和理論地震學及實用地震學都有直接關系的波動傳播問題的兩個特例。
  5. In order to verify the prediction efficiency, 27 interplanetary shock events from january 1979 to june 1982 and 68 interplanetary shock events from february 1997 to january 2000 are used for testing. comparing the results of our disturbance model to those obtained by stoa and ispm, we find that our disturbance model is as good as the other two models, and in some cases even better

    為印證擾模型的適用性,利用79年到82年間的27個激事件,以及97年2月到2000年1月間的68個激事件,對激到達地球軌道附近的時間進行了預測,並將結果與目前流行的行星際激事件到達地球軌道時間的stoa和ispm預報模型所得結果進行了比較。
  6. The vibration propagation is prodigious influenced by geological condition and the depth of tunnel. at last, linear method is carried to study the attenuation empirical formal of vl

    地質條件、隧道埋深對振影響較大,在離開隧道軸線一定距離存在一個振放大區,在此區域內地面振強度有所增大。
  7. Characters of wave propagation in granular media

    場中散體介質規律
  8. The hydrauli c model of gradual dike - break simulates numerically the 2 - d flow of gradual dike - break waves. it shows the variation of flow field on breach, and the complicated flow characteristic of the propagation, diffraction, reflection and deformation of the dike - break waves. the hydraulic model can realistically simulate the burst process of dike, and computational accuracy is satisfied with the engineering demands

    本文建立逐漸潰堤的水力模型首次對二維逐漸潰堤的流問題進行了數值研究,揭示了逐漸潰堤過程中潰口處流場的變化情況,以及潰堤、繞射、反射及變形的復雜運特徵,能較好地模擬實際工程中的潰堤失事,模擬比較逼近於真實潰決過程,計算精度可滿足工程要求。
  9. D. j. mead. free wave propagation in periodically supported infinite beams. journal of sound and vibration 11, 1970 : 181 - 197

    陳正翔,江松青,張維衡.無限長輸液管中結構振.華中理工大學學報, 1997 ( 11 )
  10. M. a. heckl. investigation on the vibration of grillages and other simple beam structure. journal of the acoustical societ of america 36, 1964 : 1335 - 1343

    陳正翔,江松青,張維衡.無限長輸液管中結構振.華中理工大學學報, 1997 ( 11 )
  11. Analyses results show that the materials, tension and rigidity of wires, speed of trains, wave speed, and lift forces are primary factors that affect fatigue life of contact wires

    分析結果表明,接觸導線線質、張力和剛度以及列車運行速度、波動傳播速度和抬升力是影響導線疲勞可靠性的主要因素。
  12. After the storm move in shandong area, the moist downdrafts appears, the mgws apart from the thunderstorm and move faster, the mgws weaken gradually because absence of wave duct and energy supply

    成熟階段的對流風暴,由於中高層潛熱釋放和濕下沉氣流進一步加強,波動傳播加快; mgws和對流風暴分離后,因無「道」機制和能供給,幅逐漸減小。
  13. The research shows that students misunderstand the relation between force and motion. gravity and action / reaction ; that in dc circuit, students of different age groups have the belief of " consumption of current ", " clashing currents " and " the battery as a constant current generator " ; that in understanding the concepts of electricity students lack th e knowledge of relating the micro with the macro ; and that students have serious difficulties in understanding the propagation of mechanics wave, the speed of wave and superposition, and do not make a distinction between the initial conditions and the medium properties of the system

    具體表現在:學生對力和運的關系、重力和平衡、作用力與反作用力存在一些誤解;對直流電路,不同年齡的學生不同程度地存在電流消耗、碰撞電流、恆定電流源等觀念,而且對電學概念的理解缺乏宏觀與微觀的聯系;學生在機械速、的疊加上存在嚴重的困難,對于機械學生不能區分初始條件和媒質特性,並錯誤地將力學某些觀念與機械進行類比。
  14. In order to predict the arrival time at 1au of interplanetary shocks, a simple model called disturbance model is established here. in this model, the travel time is assumed to be a function of energy that is released from solar explosives, and input pulse longitudinal width, input pulse duration, the interaction of interplanetary shock and background solar wind are also taken into account

    本論文考慮了激爆發源角寬度、能量、驅時間、激速度及其與背景太陽風之間的相互作用,利用流體力學擾方程建立起一個激模型,用於研究激從太陽到地球軌道附近( 1au處)所需要的時間問題。
  15. Fellow practitioners had a booth to display master s books and tapes at the whole life expo in the city of minneapolis in the hope of spreading master s teachings and the quan yin method

    在明尼蘇達州的明尼亞利斯市全方位生活博覽會中,同修們設了一個攤位來展示師父的書籍和錄音帶,希望藉此活師父的教理及觀音法門。
  16. Firstly, the paper, combining the characteristic of synchronous pulse bursts and inhibition with the modified pcnn model, presents a way of finding the foveation points in the images adaptively and effectively, and simulates the human vision system. secondly, pcnn is extended to pcnns, based on the properties of information couple and transmission, an algorithm that is used to fuse images of the same target got by several sensors to an image is presented to simulate the human vision system. thirdly, combining the properties of synchronous pulse bursts, capture, and transmission and competition of waves, the paper presents two ways of classification, one is an algorithm based on the properties of neuron to capture and inhibit to classify the data taking on any complex unlinear distribution robustly, the other is based on the restricted distance and modified of the former to remove the influence of inferior samples in classification ; fin ally, based on the accumulative difference pictures, and the forming and transmission of pcnn wave, selecting and controlling the direction of autowave by connecting the neighbouring neurons selectively, the paper presents a way to simulate the tracks of moving object and detect the moving direction

    首先結合pcnn的同步脈沖發放和側抑制特性,提出了基於改進型pcnn的圖像凹點檢測演算法,該演算法是一種自適應而有效的圖像凹點檢測方法,並且較好地模擬了人類視覺系統;然後,結合信息遞和信息耦合特性,將pcnn擴展成pcnns ( pcnn網路群) ,提出了一種基於pcnns的圖像融合演算法,能夠將多個感器獲取的同一目標的圖像信息融合到一幅圖像中,有效模擬了人類視覺系統;另外,結合pcnn的同步脈沖發放特性、捕獲特性和競爭特性,開拓地將pcnn用於模式分類中,提出了基於耦合神經元點火捕獲抑制特性的分類方法和改進的約束距離下的pcnn分類方法,前者可實現對樣本空間中任意復雜分佈訓練樣本的穩健非線性分類,而後者能夠消除訓練樣本中刺點對分類的影響;最後,結合累積差分圖像思想、 pcnn的形成與特性,通過各神經元之間連接取向來選擇與控制自的流向,將pcnn用於運視覺分析中的運軌跡模擬及運方向檢測。
  17. In the end, in view of the fact that boussinesq - type equations and the mild slope equations are deduced from different hypothesis conditions and behave differently in simulation of wave propagation, the numerical results of wave propagation effected by strong non - linearity are given by the nonlinear three - dimensional mathematical model which was established for the calculation of 3 - d wave particle velocity and wave pressure and suitable to small size waters of arbitrarily varying depth

    最後,鑒于boussinesq型方程和緩坡方程是在不同的假設條件下推導而來,應用於描述近岸水域浪的變形時具有不同的特點。本報告根據作者所建立的可以對任意水深點流場與凈壓力場進行求解、適宜水深任意變化水域非線性的數學模型,提供了在較強非線性作用下的數值模擬結果。
  18. The physical fundamentals of electromagnetic wave imaging logging in multiphase flow deal with the wave propagating characteristics and the fluid electromagnetic properties in oil wells

    研究多相流電磁成像測井要涉及到兩個物理基礎問題:一是油井中電磁特性,二是油井中流體介質的電磁性質。
  19. Integrated the monitoring data collected from the scene of blast with the correlative theory of earthquake wave, the blast vibration characteristic of this underground blast engineering and the influence that the blast vibration act on the ground buildings are analyzed. applied the method of duality linearity regression analysis, the propagation attenuational laws of blast earthquake wave in this underground engineering are gained by this software matlab. the analysis results indicat that the attenuational laws of blast earthquake wave are obvious diversity in the condition of difference distances

    結合採集到的大量爆破振現場實測數據,並應用地震的相關理論,分析了該地下工程開挖爆破的地面爆破振特性及爆破振對地面建(構)築物的影響;應用二元線性回歸分析法,通過matlab軟體計算得出該地下工程開挖爆破地震衰減規律;分析結果表明,不同距離下的地面爆破地震的衰減規律存在明顯的差異,近距離條件下爆破地震的垂直方向分量衰減最慢,遠距離條件下垂直方向分量衰減最快,遠距離的爆破地震的垂直方向分量和水平徑向分量的衰減指數均要比近距離相應的爆破地震衰減指數要大。
  20. These ripples in the space - time fabric travel toward earth, bringing with them information about their origins, as well as invaluable clues to the nature of gravity

    這些時空結構中的波動傳播到地球,仍攜帶著關于源頭的信息,以及非常重要的關于引力本質的的線索。
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