波動彈 的英文怎麼說
中文拼音 [bōdòngdàn]
波動彈
英文
pulse ammo-
By numerical simulation, the servo system in this paper greatly reduces the aeroelastic stability. the structural flitter added to the system can reduce the coupling effect of servo system and structure mode and increase the flutter velocity
通過數值模擬發現，伺服系統會降低原有氣動彈性系統的穩定性，結構陷波器的引入可以減弱伺服系統和結構模態的耦合。Applying classical wave theory, a concept of equivalent elastic modulus on propagation speed modification of guided wave through " variable cross - section " of metal bar embeded layer was put forward
摘要運用波動的經典理論，提出了導波在金屬桿嵌入層「變截面」傳播時波速改變的「等效彈性模量」的概念。A time hera, poseidon, apollo, and all the other olympians, except hestia, surrounded him suddenly as he lay asleep on his couch and bound him with rawhide thongs, knotted into a hundred knots, so that he could not move
有一次，赫拉、波塞冬、阿波羅和除了赫斯提外所有的奧林波斯神祗乘宙斯躺在床上熟睡之際一擁而上，用生牛皮繩把他捆綁起來並打上一百個繩結，使他動彈不得。In this study, we applied the reversibility of elastic wave to a discussion of the reverse time propagation of wave equation
摘要本文應用波動方程式的可逆性討論彈性波的逆時影像重建。Viscoelastic wave equation forward modeling and migration
粘彈性波動方程正演和偏移The dynamic force - displacement relation curve is of crucial important to the design and operation of mechanical impact devices. using one - dimensional wave mechanics and characteristic line theory, this paper presents a testing method for determination of dynamic force - displacement relation curve from one - point strain measurement on an elastic rod endface. the principle of measurement, data processing method and experimental results for penetration into granite are discussed. 4figs., 5refs
沖擊載荷下彈性桿端的作用力-位移關系曲線是沖擊機械繫統研究的重要內容.基於一維波動力學方程，應用特徵線方法，探討了已知一點應變求取彈性桿端的作用力-位移曲線的測試原理與數據處理方法，以及在花崗巖上沖擊鑿巖機具的測試結果，對一點應變測試法的可行性進行了論證.圖4 ，參5Directed by wave theory of fractured media, the elastic parameters of eda medium are determined in the light of hudson - fractured theory, and christoffel equation gives the formula of the phase velocity of p - wave by which, effects of velocity on behalf of kinetic characteristic and reflection coefficient on behalf of dynamical characteristic form fractured density and azimuty is discussed
本文以裂隙介質的波動理論作指導，根據hudson裂隙理論，求出eda介質的彈性參數。在此基礎上，應用christoffel方程求出的地震縱波相速度表達式，探討了裂縫密度和裂隙方位對代表波場運動學特徵的縱波速度和代表波場動力學特徵的反射系數的影響。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。So we say that we can absolutely avoid unnecessary and bothering process in mathematic deducibility if making full use of the method of pseudo - spectral in more complex viscoelastic media, we can get wave equation when directly replacing with two kinds of relaxation modules
由此可以說，如果採用偽譜法模擬其它更復雜的粘彈介質模型時，完全可以避免不必要的而且煩雜的數學推導過程；直接將體積鬆弛模量和剪切鬆弛模量代入即可得其波動方程。Investigation of waves behavior in a finite deformation viscoelastic rod
有限變形粘彈性桿的波動行為研究After that the dynamics behaviors and wave properties of finite deformation elastic thin rods are paid more attentions to in lagrangian coordinate
然後，利用lagrange描述法對一維彈性桿中考慮有限變形時的幾何非線性波的波動特性及動力學行為展開討論。Finally, two - dimensional wave - motion equations of the finite deformation elastic rod are derived by variation principle taking simultaneously geometrical and physical nonlinearity into consideration
最後，利用變分原理又導出同時考慮幾何和物理非線性的有限變形彈性桿的二維波動方程。An elastic system model for the analysis of futures price fluctuation
期貨價格波動分析的彈性系統模型Based on the previous work, the equations of motion and elastodynamics are changed. a high - order staggered velocity - stress finite - difference formula of the acoustic field in borehole are set up in cylindrical coordinate, and the corresponding code is accomplished
本文在彈性波動力學的基礎上，將運動方程和本構方程作適當變形，採用交錯網格技術建立了井孔波動方程在柱坐標系下的速度?應力高階有限籌分公式，並編制了相關計算程序。The unsymmetrical phenomenon of the wave form of dorsal fin undulation is discussed and a description is given on basis of parameterized formulation
分析了「鴛鴦炮彈」背臀鰭的相位關系，揭示了其穩態巡遊時背臀鰭波動相位隨時間變化的一致性和協同性。Based on bionic experiments in gymnarchus niloticus and rhinecantbus aculeatus, this paper presents a parameterized description of undulatory dorsal / median fin propulsion modes. by referring to large - amplitude elongated body theory and computational fluid dynamics simulation, this paper also provides an explanation of the external morphological and kinematic phenomena that are closely related to propulsion characteristics
本文以「尼羅河魔鬼」和「鴛鴦炮彈」為仿生實驗對象，建立背鰭/背臀鰭波動推進模式的參數化描述，對與推進性能密切相關的若干形態學及運動學特徵進行研究。This paper deals with the method of stress wave to measure the elastic modulus, loss modulus and their dispersion relationships against frequency of materials
摘要用應力波的方法建立一維木材動彈模量的色散關系方程，並測量和分析了兩種木質材料的動彈模量與頻率的色散關系。Seismic survey is a new method used to civil engineering area in recent years. it was widely applied to survey or detecting of roadbase, dam base, foundation of building, tunnel, river bed, lake bed and etc. the chief methods are reflection method, refraction method, wave velocity testing, surface ware survey and transverse wave suivey. seismic survey can divide different layer, measure the incidence of sediment stratum, detect the structure of rock, test the handle effect of surface wave survey, we can calculate the carrying capacity of foundation and other mechanical parameters. this technique can give service to some big engineering departments such as highway developing company, survey design company, water supply company, plan bureau, construct bureau etc
應用於工程的主要方法有反射波法折射波法波速測井面波法及橫波勘探等。地震勘探能詳細劃分地層高精度地確定沉積地層的傾角能夠準確探明巖體構造褶皺斷層破碎帶裂隙帶對于回填工程路基壩基，地震勘探可以檢測其回填處理效果對于隧道工程，可以探測隧道洞體的圍巖分類及洞口地質情況利用面波勘探所得到的瑞利波速度，可以準確推算地基的承載力動彈模量等力學參數。With the trend of openness and integration of globlal economy, exchange rate is playing more and more important role in influencing the allocation of global resources. the sensitivity of the price of tradale goods to exchange rate fluctuation becomes the focus of international economics because it is a critical vector and transmitter when an economy is confronted of exogenous impact. traditional international economics theory assume that nominal exchange rate fluctuation has complete pass - through effect, namely it ’ s change will introduce proportional change of tradable goods, then it will influence such macroeconomic vector as term of trade, import and export, inflation, employment, productivity, income allocation, and so on. from a microeconomic angle, including pricing to market, innovative behavior, menu cost and sunk cost, the paper probe into the pricing model of international enterprices under floating exchange rate and testify the incomplete pass - through of exchange rate and it ’ s detailed reason, then discuss the inspiration it has on china. it ’ s believable this kind of research will play a big part in china ’ s exchange rate scheme and some macroeconomic problems such as exchange rate tranmitting channel and effects, exchange rate fluctuating behavior
傳統的國際經濟學理論認為，名義匯率的波動具有完全的傳遞性（ completepass - through ） ，即它的變化會引起同比例的進出口貿易品相對價格以及貿易品和非貿易品相對價格的變化，然後通過需求變動的支出轉移效應（ expenditureswitching ）來影響國內經濟的諸多宏觀變量，如貿易條件、進出口貿易額、通脹水平、就業量、勞動生產率以及收入分配等，本文從依市定價（ pricingtomarket ） 、創新行為、菜單成本以及沉澱成本等四個不同的微觀角度，通過對浮動匯率下國際壟斷競爭性生產廠商的定價模型具體而透徹的探討，論證了匯率的不完全傳遞性並深入分析了決定匯率傳遞彈性的重要影響因素，闡述了該理論對人民幣匯率的啟示，這樣的研究會對我國今後的匯率政策以及匯率的傳導機制、傳導效應、波動行為等宏觀經濟問題起到重要的作用。Theory of vibration of pile on elastic foundation considering 3d wave effect of soil and its applications
考慮土體三維波動效應時彈性支承樁的振動理論及其應用分享友人