波傳播法 的英文怎麼說

中文拼音 [zhuàn]
波傳播法 英文
wave propagation method
  • : 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
  • : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
  • 傳播 : 1 (廣泛散布) disseminate; propagate; spread; (over); diffuse; transmit; run 2 [物理學] propag...
  1. Abstract : propagation characteristics of r wave in a pavement structures are analysed in this paper. based on the propagation characteristics of r wave, the horizontal propagation wave is simulated by using r wave, the vertical propagation wave is also simulated by using body wave in calculating dynamic response of pavement structures. the availability and accuracy of dispersion curves measured by sasw in pavement structures is analysed by using the presented method used to calculate dynamic response

    文摘:利用有限單元分析了道路結構的r面特性:在深度方向上衰減較慢,較深,動性大.提出了在道路結構動力響應計算中,利用面來模擬水平向,利用體來模擬豎直向.通過算例來驗證該方的可靠性和精確性,並利用這一動力響應計算方分析了道路結構表面測試中所獲彌散曲線的可靠性
  2. 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去模擬二維飽水介質中的地震,採用了顯式差分方(中心差分和newmark常平均加速度結合)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在本文研究中較為實用,分別編制了體( p或sv) 、 rayleigh面輸入時求解兩相介質動力響應的兩個二維數值分析程序。
  3. With more and more people using the wireless devices, it is very necessary to predict the field strength in the room and study propagation characters of the wireless electric wave f therefore, it is very important to adopt exact method to study them

    隨著室內無線電設備使用越來越廣泛,對室內的場進行預測,並對無線電特性進行研究是十分必要的,因此採用正確的方是十分重要的。
  4. The model is based on the theory of physical optics ( po ), geometry theory of diffraction ( gtd ) and uniform theory of diffraction ( utd ), and it can compute and analyze the propagation of em wave in microcellular environments by using improved ray tracing method

    該模型基於物理光學( po ) 、幾何繞射理論( gtd ) 、一致性繞射理論( utd ) ,利用改進的射線跟蹤對微蜂窩中電特性進行了數值分析計算。
  5. Equivalent analysis method of electricmagnetic wave propagation in mine trapezium - shaped roadway

    梯形巷道中電磁的等效分析方
  6. The travel time of lcr wave and applied stress showed well linear relationship in the qualitative and quantitative experiments, experimental result matched with the theory, achieved the anticipative requirements. these experiments validated the feasibility of evaluating the stress with lcr wave based on tdc travel time measurement preliminarily

    定性實驗與定量實驗顯示, lcr聲時與加載應力具有良好的線性關系,實驗結果與理論基本相符,達到了預定要求,也初步驗證了基於tdc聲時測量的lcr應力檢測方的可行性。
  7. Presents the model proposed for analyzing the vibration characteristics of shrouded blades and their calculation method by employing a wave propagation theory and modal synthesis technology coupled with a finite element method from the view point it is possible not only to conduct frequency modulation of the shrouded blades of a gas turbine, but also to utilize the friction effects between them to dissipate energy, thereby attaining the aim of vibration alleviation, as shrouded blades have been widely used in the design of high - speed turbomachinery, such as modern gas turbines and steam turbines, and with the shrouded blades forming an integral whole in a centrifugal force field, the vibration characteristics of the whole ring of blades are different from those of a single isolated blade, and this makes it essential to take into account the integral effect of blade shrouds, concludes from the calculation examples and engineering application that the above approach is valid and correct along with the possibility of considerably reducing the scale of calculation and analysis, and points out it is necessary to take into consideration the coupled effect of the whole ring of blades while the dynamic characteristics of shrouded blades is being analysed

    帶冠葉片不但能調頻,還可以利用葉冠之間的摩擦效應來耗散能量,達到減振的目的.帶冠葉片在離心力場中形成一整體,其整圈葉片振動特性不同於單個孤立葉片,需考慮葉冠的整體效應.利用帶冠葉片系統的循環對稱性,提出了採用理論和模態綜合技術,結合有限元方研究燃氣輪機帶冠葉片振動特性的分析模型和計算方.算例和工程應用證明了該方是效性的、正確的,並可以大大降低計算分析規模.研究表明帶冠葉片動力特性分析時必須考慮整圈葉片的耦合效應
  8. Let us consider a slender bar of the medium, with a constant cross - section area. a short axial disturbance is produced at one of the bar, resulting in the propagation of a wave

    此方的原理在於考慮一個等橫截面的圓形細桿介質,在到桿的一端時,產生了微小的軸向干擾。
  9. The angular spectrum method of plane electromagnetic wave propagation gives another explanation for wave propagation

    摘要平面電磁的角譜,提供了過程的另一種解釋。
  10. A kind of method - accelerative multi - images method is given to the electromagnetic wave propagation prediction to the irregular urban area of this article

    本文研究並給出了一種非規則城市環境電的預測方? ?加速多鏡像
  11. In this paper, the effects of the casing and the fluid media on the electromagnetic wave propagation in oil wells are studied and discussed following the field analysis

    首先,採用場分析的方,分析井內套管和流體介質對電磁的影響。
  12. In viewing of the characteristics of propagation of 3d converted wave, studies are performed on the processing methods of 3d converted waves, such as horizontal component rotation, calculation of 3d transition point, hyperbolic velocity analysis and nmo ( normal moveout ) correction of 3d converted wave, and non - hyperbolic velocity ratio analysis and nmo correction of 3d converted wave

    基於三維轉換特點,對三維轉換資料處理方進行了研究,包括水平分量旋轉,三維轉換點計算、三維轉換雙曲速度分析與動校正、三維轉換非雙曲速度比分析與動校正等。
  13. In order to utilize the frquency resource adequately and increase the capacity of mobile communication system, the wireless electric wave propagation of existing mobile system always adopts the microcell structure. forecasting the path loss characteristic of electric wave accurately can provide the necessary condition for the layout and design of wireless network, at the same time it is a precondition for the research on the microcell mobile system. the methods of forecasting of wireless electric wave propagation can divide into two parts : one is pluse and respond, that is establish the empirical model based on experimental and statistical data ; the other is ray tracing method, that is establish the deterministic model based on theoretical analyse. the paper discuss the characteristic of wireless signal electric wave transmition in symmetrical atmosphere of earth, and introduce the common path loss transmition model in land mobile communication system, also point out the localization of these models based on experiential methods

    而精確預測無線電路徑損耗特性,則為合理的微蜂窩無線網路規劃、設計提供了必要條件,同時也是研究微蜂窩移動通信系統性能的前提。無線電預測的方分為兩類:一是用沖激響應,即根據實驗、統計所得數據建立經驗性預測模型;另一種是用射線跟蹤方,即依據理論分析來建立確定性的預測模型。本文首先討論了在地球表面均勻大氣中的無線電的基本特性,介紹了陸地移動通信系統中常用的幾種電路徑損耗經驗性預測模型,並指出了這些經驗性模型對于微蜂窩小區無線電特性研究的局限性。
  14. Visualized method for elastic waves propagating in structure

    結構中彈性的可視化方
  15. Based on the basic propagation theory, the genetic algorithm is used in the design of the multilayered composite materials by means of the existing multilayered planar composite electromagnetic shielding materials model

    摘要從基本的電磁理論出發,利用已有的多層平板復合電磁屏蔽材料的理論模型,將遺演算應用到屏蔽材料的設計中。
  16. This theoretic model employs the basic idea of correlation measurement, achieve the density wave speed by the correlation of the signals of upper and lower sensors, and get the total flow rate and water cut through the theoretic relationship of density wave speed and total flow rate as well as holdup with the help of drift flux model so as to accomplish the oil / water two - phase flow measurement at last, using the limited available experiment data, the theoretic model has been simplified into an applicable linear alternative which is suitable to homogeneous oil / water two - phase flow measurement to accomplish the oil / water two - phase flow measurement using the density wave phenomena is of highly theoretically valuable for density wave theory research as well as oilavater two - phase flow measurement research. to develop new type oil / water two - phase flow instrumentation based on this theoretic measurement method will be very applicable and promising

    在此基礎上,針對穩態密度理論提出了基於密度理論的油水兩相流測量理論模型,該模型以密度理論作為基礎,通過上下游感器信號相關獲得密度速度,利用密度速度與總流量以及持相率的理論關系結合漂移模型來求解總流量和含相率,實現油水兩相流的測量,在理論分析的基礎上,在實驗資料有限的條件下,對基於密度理論的油水兩相流測量理論模型作了極限的簡化,提出了本文油水兩相流測量理論方應用在測量均勻油水兩相流中的實用線性模型。
  17. Effects of single joint with nonlinear normal deformation on p - wave propagation

    非線性向變形節理對彈性縱的影響
  18. Analysis is done on the change rules of liquid " s temperature along with the pipeline " s distance. the paper points out the defects of the const pressure wave velocity method and do some improvements on it : rebuilding the expressions of the pressure wave velocity in accordance with the simpson ' s rule

    分析了管道內的流體溫度隨輸距離而變化的規律,並指出了此規律對管道負內壓力速度的影響。指出了常負壓力速定位方的局限性,並採用改進的負壓力定位技術,將管道內的負壓力速公式採用復化辛普森公式進行了改造。
  19. Transverse vibration of an axially moving beam with fixed support by wave propagation

    波傳播法分析兩端固支軸向運動梁的橫向振動
  20. Methods of testing plastics - mechanical properties - longitudinal and shear vibration - wave - propagation method

    塑料試驗方.第3部分:機械性能.徑向剪切震動.試驗方323e :波傳播法
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