forward wave 中文意思是什麼

forward wave 解釋
前向波
  • forward : adv 1 向前，前進 （opp backward）。2 【航海】在船頭，向船頭（opp aft）。3 今後，將來。4 出來，出...
  • 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. The theories of wave chunnel diffluence, multilevel depleting energy, depleting and preventing and dodging what had been brought forward recently by zhongguang lightning protection experts were also put forward

    同時介紹了近期「中光」防雷專家提出的新穎防雷理論：波道分流、多級瀉能和消、防、避三結合防雷理論。
  2. It make the principle formula become simpler and more practical. by the attenuation regulation and distributing character of stress wave under the linear charge blasting, the paper bring forward the idea that the columniation stress wave can be regarded as cylinder stress wave, the end stress wave as spherical wave. the perfect stress attenuation formula in radical direction is established in complete elastic medium

    根據條形藥包爆破應力波分佈特徵及衰減規律，提出了可將條形藥包爆破柱部應力波當作柱面波、端部應力波當作球面波處理的研究方法：建立了理想的完全彈性介質中球藥包和條形藥包爆破徑向應力衰減方程。
  3. On this condition, the paper put forward a new electric wave transmition model in the microcell, which based on ray tracing method of virtual fountain tree

    在總結前人工作的基礎上，本文提出了一種新的基於「虛擬源樹」射線跟蹤技術的微蜂窩小區的電波傳播模型。
  4. Impractical as this may sound, geordie rose, d - wave ' s founder, is optimistic that it is the best way forward for quantum computing

    盡管這聽起來有點不切實際，但遞波的創始人基尼羅斯仍很樂觀地表示：這是通向量子運算處理的最佳道路。
  5. 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。
  6. Then novel circuit structure of bi - directional voltage mode ( based on forward converter ) inverters with high frequency link, are proposed, which is constituted of input cycloconverter, high frequency transformer, output cycloconverter, input and output filter ; the circuit topologies family of this bi - directional voltage mode inverters with high frequency link include six circuit topologies, such as push pull - full wave mode, push pull - full bridge mode, half bridge - full wave mode, half bridge - full bridge mode, full bridge - full wave mode, and full bridge - full bridge mode etc. taking full bridge - full bridge mode circuit as an example, principle of uni - polarity phase shifting controlled bi - directional voltage mode inverters with high frequency link is introduced

    本文首先論述了dc / ac逆變技術的應用前景及發展現狀。基於正激forward變換器的雙向電壓源型高頻環節逆變器電路結構，由輸入周波變換器、高頻變壓器、輸出周波變換器、以及輸入、輸出濾波器構成;雙向電壓源高頻環節逆變器電路拓撲族，包括推挽全波式、推挽橋式、半橋全波式、半橋橋式、全橋全波式、全橋橋式六種電路。
  7. Viscoelastic wave equation forward modeling and migration

    粘彈性波動方程正演和偏移
  8. The apparatus, with the specialities such as miniature, automation, flexibility, and individual - computer managing has become the developing trendof the testing equipment today. based on analysis of the characteristic and the system structure of the visual instrument, the paper has studied the design idea of it, put forward the exploiting methods of the visual instrument based on the object - oriented technique, exoatiated on the technique kernel of design the visual instrument under windows environment, designed a typical visual instrument " vis - 1 signal - analyzing and wave - displaying system ", which integrates multi - function instruments such as general oscillograph and ulf oscillograph real - time signal recorder wave and frequency - pedigree analysis instrument. the system has more excellent functions and characteristics than traditional instruments

    本文研究了虛擬儀器系統的設計思想，在分析虛擬儀器系統的特點及其體系結構的基礎上，提出了基於面向對象技術的虛擬儀器系統開發方法；闡述了windows環境下實現虛擬儀器的技術要點；實現了一個典型的虛擬儀器系統「 vis ? 1信號示波分析系統」 ，該系統集普通示波器、超低頻示波器、存儲示波器、瞬態信號記錄儀、波形及頻譜分析儀等多種儀器功能於一身，並具有許多傳統儀器難以達到的優越功能和性能。
  9. What ' s more, we put forward some experienced formulas on the basis of the cortical analysis. the result of the research show that by installing diffluent piers with low ridge, we can eliminate the root of oscillatiny water jump, perfect the energy dissipation effect of water jump, also, we can improve the flow condition of down - stream. the fact that the main flow of down - stream is in the middle, not only effectively lower the speed of the bottom flow in the ridge rear, alleviate the erosion to the river bed, but also avoid the heavy wave resulted from the main flow in the surface, thus improve the surface wave of down - stream obviously. we can work out the body style parameters of diffluent piers with low ridge according to the project flow condition and experience formulas, and then reckon the down - stream surface wave condition for the protected building of the down - stream bank

    研究結果表明：設置低坎分流墩后，消除了擺動水躍水舌擺動的根源，提高了水躍的消能效果，改善了下游水流流態。下游水體的主流在中部，既有效的降低了坎后水流底流速，減輕水流對河床的沖刷，又避免了主流位於表面導致波浪過大的結果，下游的水面波浪明顯得到削減。依據經驗公式，可根據工程水流條件設計出低坎分流墩的體型參數，進而估算出下游沿程的水面波浪，為下游岸邊的砌護提供依據。
  10. Application the forward model we can get the profile of medium that combine in some condition, in order to conduct the attributes optimize, the paper offer some basic principle, and discuss the reliability of attributes from the character of incident wave and from the character of the inter - bed and from the reliable zoon of attributes

    正演模型是我們研究地震波屬性和地球物理正問題的一種有效的方法，利用正演模型的研究，提取一些介質組合情況下常用的屬性剖面。提出了一些屬性優化的原則，並且從入射波的特性和巖性以及屬性可信度區間討論地震波屬性可靠性，指導屬性參數的優化。
  11. There are many ways of modulating signal about bpsk such as castas loop, square loop, etc. usually the carrier wave is put forward firstly, then the purified carrier wave is used to demodulate the output data ( all these things are usually completed in the same loop ). these methods have their strong points but at same times, it is difficult to design and achieve these ways

    有關bpsk調制信號的解調方法很多，例如castas環，平方環等，這些方法一般都是先提取載波，然後用提純的載波去解調出傳輸的數據（大都在同一個環路內完成） ，這些方法的優點是顯而易見的，但是在某些條件下，這些方法的設計和實現卻很困難。
  12. Based on well understanding the principles and characteristics of the radio beacon of centimetric wave instrument landing system made in russia, the this paper brings forward a scheme to domesticalize the russian system and gives its detailed designs of software and hardware, in which the reliability and serviceability are fully considered

    本文在深入研究俄制分米波儀表著陸系統工作原理和技術特性的基礎上，提出了該系統的國產化設計思想和研製方案，進行軟、硬體的詳細設計，在設計中充分考慮了系統的可靠性與可維修性。
  13. This paper introduces the calculation of the loads of different waves and the combination of sine wave and cosine wave. furthermore, stressing on discussing the corresponding problems of the fem of the whole structure and putting forward the basic principles of building a fleet. taking a fleet for example, the paper discusses the whole response of the fleet and the local response of it according to different load cases

    本文介紹了船舶的波浪載荷計算及按動態載荷法進行載荷分量組合，而且研究了結構有限元模型的有關問題，給出了結構的模型化原則；本文以一條051艦為例，討論了不同的工況下整船艦艇結構應力的響應以及局部結構的響應。
  14. A novel amplifier chain which is composed of the forward wave crossed - field amplifier ( cfa ) driven directly by solid state amplifier ( ssa ) is better in performances and reliability compared with traditional three stage chain which is composed of " ssa + twta + cfa "

    摘要採用固態放大器直接驅動前向波管的新型放大鏈與「固態-中功率行波管-前向波管」三級放大鏈相比較，具有更好的性能指標。
  15. The forward model of gpr electromagnetic wave propagation in pavement system is developed based on maxwell equation in electromagnetic theory

    基於電磁波理論的基本原理，從maxwell方程著手，建立了雷達電磁波在路面結構體系中傳播的正演模型。
  16. We found the " forward stimulated raman scattering " will be excited if the pulse length is greater than plasma wave length. the " forward stimulation raman scattering " decreases the phase velocity and the amplitude of the wake wave which will lead to the reduction of maximum kinetic energy of the electrons trapped

    結論是：當脈沖長度接近等離子體波長時，稀薄等離子體將發生「前向受激raman散射」 ，它使脈沖后沿拉長，導致尾流場的相速度變小，以至於被尾流場「捕獲」的電子最大動能大大下降。
  17. This paper puts forward a method of fast, handy, no - destructive and effective testing which can be used to test the strength and geometrical dimension of subgrade abamurus using the method of earthquake wave velocity and gpr ( ground penetrating radar ). this method can be used to definite the dimension and strength of abamurus by determining some physical parameters ( such as elastic wave velocity and electromagnetic wave velocity etc, ) and by the correlation of these physical parameters with mortar flag stones

    本論文提出使用地震波速法和地質雷達法檢測路基擋墻的強度和幾何尺寸，是一種快速、簡便、無損、有效的檢測方法。此方法通過測定某些適當的物理量（如：彈性波速度、電磁波速度等） ，並通過這些物理量與漿砌片石的相關性，確定墻體的尺寸、強度等性能。
  18. The main contents of testing the strength of subgrade abamurus using earthquake wave velocity are as follows : the influence of the lithology and strength of flag stones and the shape of block upon wave velocity, the influence of the strength of cement mortar upon earthquake wave velocity, the estimation standards of the strength and completion of abamurus. this paper puts forward an accurate no - destructive testing using the different reflect of elastic wave velocity for abamurus stones, the strength of mortar, the plumpness of mortar and the type of abamurus, on the basis of laboratory tests and field tests. it can be used to accurately distinguish the completion of abamurus

    地震波速法檢測路基擋墻強度，研究的主要內容有：片石巖性和強度及塊體形體對波速的影響；水泥砂漿強度對墻體波速的影響；擋墻整體強度和完整性的評估標準。應用彈性波速度對擋土墻石材、砂漿強度、砂漿飽滿度及擋墻類型的不同反映，在室內外模型試驗和現場生產試驗的基礎上，提出了一種正確的無損檢測法，可以正確判別漿砂片石擋墻墻身的完整性。
  19. Instantaneous propagation of the voltage sum of forward wave and backward wave, namely the standing wave, is not standing still except in case of total reflection

    傳輸線上瞬時弦波電壓等速傳播之正向波與反向波合成之駐波，除非是全反射，並非如其名稱停駐不前。
  20. This paper introduced wave impedances and genetic algorithms " research actuality, genetic algorithms " theory elements, and brought forward wave impedances that had been introduced from the genetic algorithms based on discussed algorithm ' s convergence, expounded wave impedances mixed inversion elements based on genetic algorithms

    本文在介紹了波阻抗反演和遺傳演算法的研究現狀，並介紹了遺傳演算法的理論基礎，討論了演算法收斂性的基礎上，提出了將遺傳演算法引入波阻抗反演，闡述了基於遺傳演算法的波阻抗混合反演原理。
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