波傳播研究所 的英文怎麼說

中文拼音 [bōzhuànbōyánjiūsuǒ]
波傳播研究所 英文
wpl wave propagation laboratory
  • 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...
  • 傳 : 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 : 播名詞（姓氏） a surname
  • 研 : 研同 「硯」
  • 究 : Ⅰ動詞（仔細推求; 追查） study carefully; go into; investigate Ⅱ副詞[書面語] （到底; 究竟） actually; really; after all
  • 傳播 : 1 （廣泛散布） disseminate; propagate; spread; （over）; diffuse; transmit; run 2 [物理學] propag...
  • 研究所 : a graduate school
  • 研究 : 1. （探求） study; research 2. （考慮或商討） consider; discuss; deliberate
  1. With the wide application of carbon / phenolic composite in spacecrafts and missile hulls, the prediction of dynamic response or internal damage of structures subject to explosion, impact or the shock wave induced from the sediment of high - energy particle beam and the evaluation of capability of composite in defending stress wave, aroused the study of the constitutive relation and the characteristic of stress wave propagating

    隨著碳酚醛在航天飛行器結構及導彈殼體中日益廣泛的應用，預測結構受到爆炸作用、沖擊或由於高能粒子束在其表層大量沉積而產生的應力波所引起的動態響應及內部損傷，以及對其防護應力波的性能進行評估等，都需要對碳酚醛的本構關系以及應力波在其中的傳播特性開展研究。
  2. Because of the resonant interaction between the reb electrons and the wave excitated by the embp instability, the reb electrons cannot transport continuously, but in form of current clumps. the transport velocity is close to the phase velocity of the wave

    因為embp不穩定性所激發的波和束流電子之間的共振相互作用，束流電子不是連續地傳播，而是以電流團的形式傳播，傳國防科技大學研究生院學位論文播速度接近於波的相速度。
  3. 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

    而精確預測無線電波傳播路徑損耗特性，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。無線電波傳播預測的方法分為兩類：一是用沖激響應法，即根據實驗、統計所得數據建立經驗性傳播預測模型；另一種是用射線跟蹤方法，即依據理論分析來建立確定性的傳播預測模型。本文首先討論了在地球表面均勻大氣中的無線電波傳播的基本特性，介紹了陸地移動通信系統中常用的幾種電波傳播路徑損耗經驗性預測模型，並指出了這些經驗性傳播模型對于微蜂窩小區無線電波傳播特性研究的局限性。
  4. 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

    本論文考慮了激波爆發源角寬度、能量、驅動時間、激波速度及其與背景太陽風之間的相互作用，利用流體力學擾動方程建立起一個激波擾動傳播模型，用於研究激波從太陽傳播到地球軌道附近（ 1au處）所需要的時間問題。
  5. However, the msw - based mo devices haven ’ t still been applied extensively up to now because of low bragg diffraction efficiency. the generation and propagation characteristics of magnetostatic forward volume waves ( msfvws ) under nonuniform bias magnetic field and the bragg diffraction efficiency of gows with the msfvws are theoretically studied in this paper

    本論文主要從理論上研究不均勻場中靜磁正向體波（ msfvw ）的激發與傳播特性，以及不均勻偏置磁場在提高靜磁波對導波光的bragg衍射效率方面所起的作用。
  6. Thirdly, the conclusions of the two aspect applications are given as follows : the exploration of the application of the evaporation duct prediction to the flux relationship research and evaporation duct predicting shows that based on this predicting method and with microwave refractometer, as sensor, ( 1 ) the dimensionless gradient function of temperature, humidity and refractivity in the flux relationships can be determined with higher precision, ( 2 ) the limitations of conventional observations on the predicting accuracy for evaporation duct can be avoided and the precise prediction for evaporation duct can be obtained with the accurate measurement of refractivity profile within a few meters. the radar performance under given evaporation

    三、對兩個應用問題的討論表明：基於本文發展的蒸發波導預測理論，使用微波折射率儀為傳感器： （ 1 ）開展通量關系研究時，可以用於邊界層溫度、濕度和折射率無量綱梯度函數的精確測定和得到蒸發波導環境預測所需的偽折射率參數化函數關系； （ 2 ）預測蒸蒸發波導環境特性和傳播特性及其應用研究發波導環境時可以避免使用傳統氣海界面要素測量中存在的局限，並用折射率音d面不太高的精確測量結果精確預測蒸發波導環境。
  7. Based on the sound wave transferring theory of infinite elastic and viscoelastic materials with the method of transferring matrix, the formulas of transmission coefficient and the level of sound insulation are gained, which consider shearing strength in the rubber, and the sound insulation properties of compound structures are discussed in condition of oblique incidence

    摘要基於無限大彈性體和粘彈性體的波傳遞理論，採用傳遞矩陣的方法，對斜入射情況下的透射系數和隔聲量進行了理論推導，考慮了聲波在橡膠中傳播所產生的剪切力，並就單層復合結構的隔聲性能進行了詳細的研究，進而也分析了多層復合結構的隔聲性能。
  8. It has been proven that, from the propagation process of the tidal waves and wave energy rates, the whole radial sandbanks area is controlled by the progressive tidal wave in the south and the rotational standing tidal wave in the north. these two waves merge at qianggang and induce a large tidal range

    通過對潮波波面傳播過程及潮波能流率研究表明，輻射沙脊群海域為南部太平洋前進潮波和北部旋轉潮波所控制，兩潮波系統在?港外海輻聚輻散，形成大潮差區的特點。
  9. According to state - of - the - art of evaporation duct propagation research, and to meet the demands on the prediction techniques of evaporation duct environment and the assessment of radar performance under evaporation duct environment, this dissertation gives a thorough research in depth on the subject described above. the researches include the prediction theory of evaporation duct and its applications, the theory of ray tracing based on which the prediction of radio wave rays are conducted and its application to the predicting of radar range performance under a given evaporation duct, and the characteristics of tropospheric ducts over china

    根據上述情況，結合我國盡快得到蒸發波導環境預測技術及在其中運作無線電系統的性能預測技術等需求，本文針對蒸發波導傳播及其相關應用這一熱點難點問題較深入地研究了蒸發波導環境預測技術的理論及其應用、蒸發波導環境中雷達探測性能評估所要求的基本理論之一? ?射線描跡技術及其在代表性蒸發波導環境中雷達探測性能評估技術方面的應用和我國應用所需的我國大氣波導環境特性等幾個方面。
  10. 2 ) the effects on waves conversion are stronger in rocks with dry fractures than that in rocks with water - filled fractures, and s - waves attenuate more rapidly in rocks with water - filled fractures. 3 ) the explosive point source which locates in anisotropic media can excites not only p - waves but also s - waves. 4 ) the properties of waves propagation were discussed and compared for several point sources with different source functions

    結果表明： 1 ）平行排列裂縫造成的各向異性使波前變寬； 2 ）含乾裂縫巖石對波型轉化的影響比含充水裂縫巖石的大，橫波在含充水裂紋中傳播時衰減較快； 3 ）當介質存在各向異性時，爆炸點源產生的波不僅有縱波，還有橫波； 4 ）通過改變點源函數研究不同點源所產生波以及波型的轉換。
  11. On the basis of the study of the characteristics of diffracted wave produced during the vibration propagation along the fissures, in association with practical example, the paper introduces the features of prospecting the depth of fissures of structural mass by using the seismic method

    該文在研究振動沿裂縫傳播時所產生繞射波的特徵基礎上，結合實例，介紹了運用地震法探測結構體裂縫深度的方法特點。
  12. Abstract : on the basis of the study of the characteristics of diffracted wave produced during the vibration propagation along the fissures, in association with practical example, the paper introduces the features of prospecting the depth of fissures of structural mass by using the seismic method

    文摘:該文在研究振動沿裂縫傳播時所產生繞射波的特徵基礎上，結合實例，介紹了運用地震法探測結構體裂縫深度的方法特點。
  13. The research work of this paper are as follows : firstly, the concept of active monitoring technique based on lamb wave in the paper and the propagation fundamentals of lamb wave in structure are discussed

    首先，本文探討了lamb波在結構中的傳播特性，研究了實驗所選頻率范圍內適于復合材料損傷監測的最好的中心頻率。
  14. These researches provide us a basis for forecasting the pests in grain in earlier stage, accurately utilizing pesticides, improving the efficiency of prevention and reducing the loss of stored grain. the sound absorption properties of various types and thickness of grain are measured by means of the standing wave tube technique. the following conclusions can be drawn : for the same thickness the larger grains has a smaller sound absorption coefficient than the smaller grains

    為了有效地研究儲糧害蟲所產生聲信號在各種糧食中的傳播特性，本文採用駐波管法，對十一種不同種類糧食在不同堆積厚度情況下的吸聲性能進行了實驗研究，糧食吸聲特性與其顆粒的大小、形狀、排列方式及糧食堆積厚度等有關，存在一定的規律，得出如下結論：同一厚度下，顆粒大的糧食較顆粒小的吸聲性能差，顆粒由大到小，吸聲系數峰值頻率向低頻方向移動；球形顆粒糧食較長形顆粒吸聲性能差。
  15. With the help of finite element method ( fem ), stress wave propagation in pipe piles was studied in this paper for the benefit of engineering tests

    本文通過有限元這種數值方法對應力波在管樁中的傳播現象進行了較為全面的研究，以對實際的檢測有所幫助。
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