theoretical wave 中文意思是什麼

theoretical wave 解釋
理論波
  • theoretical : adj. 1. 理論(上)的,學理上的 (opp. applied)。2. 假設(性)的;純理論的,推理的。3. 空論的 (opp. practical)。adv. -ly
  • wave : n 〈美海軍〉女志願軍人〈見 WAVES 條〉。n 1 波浪;碎浪; 〈the wave(s)〉 〈詩〉海。2 波動;波狀...
  1. According to the correlative theory of hydromechanics and shock wave, theoretical model of creating quasi - isentropic compression via w - mo - ti - mg system flier - plate with graded wave impedance was established, and study on the numerical simulation of the impact process was then carried out

    根據流體力學和沖擊波理論知識,首先建立了梯度飛片擊靶的理論模型,對w - mo - ti - mg系梯度飛片擊靶過程進行了數值模擬計算。
  2. 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。
  3. Under the assumption of linear ocean waves, and in the light of the theoretical framework about the probabilistic distribution of wave characteristics ( sun fu 1988 ), several probabilistic distributions of wave characteristics that is necessary for the estimation of breaking probability and whitecap coverage are derived. afterwards, the models of breaking probability and whitecap coverage are set up with these distributions in addition to the kinematical criterion

    在線性海浪假設下,基於孫孚( 1988 )關於三維海浪要素統計分佈的理論框架,具體給出二維海浪波峰處質點水平速度和表觀相速的聯合分佈等分佈函數,在此基礎上,根據運動學判據,分別建立起風浪破碎率和白浪覆蓋率的理論模式。
  4. The computer speed is speeded up. the numerical results of the present models are in agreement with the theoretical solution and those of physical models. systematical numerical tests show that the present models can reasonably simulate the wave transformation, such as shoaling, refraction, diffraction, reflection, effect of currents and so on

    比較詳細的模型驗證與應用表明,模型的數值模擬結果與解析解、物模實驗值吻合良好;可以較好地模擬波浪傳播過程中的淺水變形、折射、繞射和反射等多種現象;能正確合理地反映水流對波浪傳播的影響。
  5. Theoretical description of four - wave mixing of femtosecond pulses in gas - filled capillary

    充氣毛細管中飛秒激光四波混頻的理論描述
  6. Taking the 718 model gimble as an object, the paper focuses on the influences of the nonlinear friction moment and the motor torque wave to the system ' precision at low speed first, then, makes the theoretical analysis and simulation. the experimental verification is carried out in the 718 model for the effectiveness and feasibility of the discussed compensation methods. the low speed properties and the main reasons for the jitter are analysed

    本文以718模型轉臺為研究對象,針對伺服系統低速工作時影響其精度的非線性摩擦力矩、電機波動力矩,從理論上進行了一系列的分析和模擬研究,討論了低速補償方法,並在718模型轉臺伺服控制系統中實驗驗證了補償方法的可行性和有效性。
  7. 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。
  8. It has important theoretical meaning for reflecting the research of the interaction potential of nuclear force has important theoretical meanings in the framework of glauber theory and distorted wave impulse approximation ( dwia ), being spin - independent, inelastic scattering three low exciting states ( j * = 2 ~ ( + ), 4

    本工作的目的是藉助反質子-核散射來探索反核子-核子相互作用勢的最佳形式及相應的勢參數,對反映核力的相互作用勢的研究具有十分重要的理論意義。
  9. The planeness and integrality of the flier - plate were ensured effectively by exerting restrictive pressure, controlling heating and cooling rate, lowering welding temperature or reducing welding time as much as possible, etc. theoretical model of creating quasi - isentropic compression via 93w - ofc - tc4 - a1 - mb2 system flier - plate with graded wave impedance was established, and numerical simulation of the impact process was then carried out

    採取施加外部機械力、控制升降溫速率以及盡量降低焊接溫度或減少焊接時間(防止脆性金屬間化合物的過度增長)等措施,確保了焊接接頭的平整性和界面結構的完整性。建立起梯度飛片擊靶的理論模型,對93w - ofc - tc _ 4 - al - mb _ 2系波阻抗梯度飛片的擊靶過程進行了數值模擬計算。
  10. The main results are presented. second, the theoretical analysis about electron beam and wave interaction is presented. base on the theoretical analysis, numerical simulations of electron beam and wave interaction in gyroklystron were done

    二、通過採用自洽非線性大信號理論方法,在理論分析和高頻計算的基礎上對迴旋速調管放大器注-波互作用進行了數值計算。
  11. Finally. there are experiment results in the last part of the thesis, and much of experiment wave is used for validation of the theoretical analysis

    本文最後是高頻電源的實驗結果,大量的實驗波形驗證了前面的理論分析。
  12. In order to proof the program ' s effectiveness, we made some experiments on ly - 12a1 by shpb. in addition, based on the pochhammer - chree ' s theoretical solution about the stress wave propagation in infinite cylindrical bar, a numerical approach for analyzing dispersion in shpb experiments is developed

    由於應力波在桿中傳播時存在彌散效應,在hopkinson桿實驗中,採用桿中某處的應變來代替桿與試件接觸端面處的應變,這必然會因為應力波的彌散效應給實驗結果帶來偏差。
  13. Considering the influence of high evanescent modes, we have obtained the common theory. by the comparing between theoretical calculation and experimental data, we found the theory can accurately describe the high - frequency characteristic of this kind of slow - wave helical groove structure. then, five representative shapes are chosen and researched particularly ( triangle shape, cosine shape, trapezoid shape, rectangular shape and swallow - tailed shape )

    主要工作成果和創新之處在於: 1 .通過考慮高次模式的影響,獲得了一種更為精確分析任意槽形螺旋槽結構的普遍理論,經與實驗測量值比較,發現它更能準確可靠地描述此類螺旋慢波結構的高頻特性,然後詳細研究了五種槽形狀(三角形槽、餘弦形槽、梯形槽、矩形槽和燕尾形槽)對螺旋槽慢波系統導波特性的影響。
  14. After a detailed review on the historical developments of the research on thermoacoustics, as well as the latest advances in this field, prospective applications, and a survey of theoretical fundamentals, the present work focuses on the following sections : 1 ) standing wave thermoacoustic prime mover an experimental setup of standing wave thermoacoustic prime mover has been built up with brass matrix as the thermoacoustic stack

    本文首先回顧了熱聲熱機的發展歷史及最新成就,在詳細介紹熱聲學理論基礎以及熱聲機械設計原則之後,重點研究了以下若干問題: 1駐波型熱聲驅動器建立了我國第一臺實用駐波型熱聲驅動器試驗臺,並進行了實驗研究。
  15. We have made a full theoretical analysis of the wave property and the wave parameters of the flap - type wave generator in the towing tank of our school, and confirmed that should make the factor that the performance of the wave generator give play to normally to influence. in allusion to that the old wave generator can not simulate sea wave, upgrade and transform to this system change the control computer system and install additional d / a change card, redesign the wave control interface and transmission means of control signal, give up the disk machine that can not be used, make the wave - making control voltage signal that has translated direct input the wave controller, make wave controller to make waves through servo system

    對我校船模水池原有的搖板式造波系統的性能進行了理論分析,針對水池原有造波機系統模擬海浪的不足,對該系統進行升級與改造,更換了主控計算機並加裝d a轉換卡,重新設計了造波控制信號的介面與傳輸方式,捨去了原系統中現已淘汰的磁盤機,使轉換后的造波控制電壓信號直接輸入到造波控制器中,再由造波控制器通過液壓伺服系統驅動造波板進行造波。
  16. The paper concentrates on seismic wave - field forward modeling and migration for the fractured reservoir. it researches the wavefield extrapolation operator for lateral variation of velocity, design four theoretical models and seven practical models with fracture and cavity. base on the progenitor, in the frequency - wavenumber domain with the pspi wavefield extrapolation operator and arithmetic of forward modeling and migration that applied lateral variation of velocity which is strong, the paper obtains the result of numerical simulation and the wavefield characteristic by the way of the forward modeling and depth migration of poststack seismic wavefield

    本文圍繞縫洞儲層地震波場正演與偏移問題,研究了適用於橫向變速波場延拓運算元,建立了四個理論的縫洞模型和七個實際的縫洞模型,在總結、分析前人的研究成果的基礎上,利用適合橫向速度劇烈變化的相移加插值的波場延拓運算元,在頻率?波數域對上述的地質模型進行正演、偏移處理,最後得到了縫洞儲層地震波場的一些特徵。
  17. A theoretical and an experimental study on the nonlinear shallow water wave in containers

    在哈密頓體系下水容器內非線性淺水波理論和實驗方法
  18. However, there are some inextricable problems in the theories of both wind waves and turbulence, so our theoretical analysis about the wave - turbulence interaction is rudimentary and incomplete

    由於海浪理論和湍流理論都存在著一些目前無法解決的問題,所以文中對混合層中波?湍相互作用物理機制的探討只是一個初步的嘗試,遠不是完善。
  19. This ignorance precludes the full theoretical calculation of wave forms necessary to compare with relevant observations.

    這種未知使我們無法作出所必需的理論計算,以與有關觀測結果相比較。
  20. It is a cross - issue involving many subjects simultaneously for us to study the photonic tunneling effect or the anomalous propagation of electromagnetic wave, and, as a young and spunky field, it has theoretical and practical interest

    研究光子隧道穿透效應或電磁波的異常傳播現象,是一個同時牽涉到多個學科的理論與應用的交叉課題,同時也屬於一個年輕且頗具生機的領域,研究這一領域既有理論價值也有應用價值。
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