combination coupling 中文意思是什麼

combination coupling 解釋
組合接頭
  • combination : n 1 結合，合併，混合，聯合，配合，組合。2 合作；共謀，同謀；同黨。3 〈pl 〉〈英國〉連褲襯衣。4 【...
  • coupling : n. 聯結；交尾；【機械工程】管箍；聯結器；軸接；（火車的）車鉤，【電學】耦合。
  1. Introducing the theory and application of boundary element method on the sound radiation, giving the process of solving vibration noise radiation problem using boundary element analysis software ; presenting the coupling theory and the combination analysis of finite element method and boundary element method, and doing relevant analysis based on close drum shell ; programming the noise data simulation program using the numerical calculation software, simulating the acoustic and pressure data of a key point in the transient response acoustic field of the close drum shell, realizing the audibility of the noise, using the virtual reality tools to simulate the vibration noise of the drum shell ; combining the finite element method and boundary element method to analyze the vibration noise radiation of some gear box, and completing the whole simulation process of the vibration noise of the gear box

    綜合介紹了邊界元法在聲輻射問題上的理論及應用；並給出了運用邊界元法分析軟體求解振動聲輻射問題的過程。闡述了有限元法和邊界元法的耦合理論及組合分析方法，並以封閉鼓形薄殼為分析對象進行了相應的分析。利用數字計算軟體編制了噪聲數據模擬程序，並模擬了通過組合方法分析封閉鼓形薄殼瞬態響應聲場而獲得一關鍵點的聲壓數據，實現聲音的可聽化，隨后通過虛擬現實工具實現了該情形下橢球殼振動噪聲的虛擬模擬。
  2. So, in this paper, a new feeding method is proposed. it is a combination of aperture coupling from a slotted waveguide and coplanar feeding using series - fed microstrip line

    因此，在本文中提出一種對微帶貼片天線陣饋電的新方法，它是由波導縫隙的口徑耦合饋電和微帶線串饋的平面饋電共同完成的。
  3. This thesis in combination with the actual engineering demand, analyzes and designs a horizontally polarized triangular - grid planar phased array antenna, which composed of open - ended rectangular waveguide, the main steps of analyzing and designing are as follows : 1. at first, taking no account of mutual coupling among the array elements, classical electromagnetic theory is used to establish analyzing model for finite array, and initial value parameters of the array structure which basic satisfy the design index are got, these parameters provide reference for subsequent analyzing and design

    本論文結合實際工程需要，分析和設計了一個採用水平極化方式的三角形柵格矩形波導相控陣天線，其主要步驟如下: 1 .首先，在不考慮陣列單元間互耦影響的情況下，採用經典電磁理論建立有限陣列分析模型，通過分析得到了基本滿足設計指標的陣列結構參數，為后續的分析、設計提供參考。
  4. The properties of the weak - coupling bound polaron in quantum well are studied using the linear combination operator and the unitary transformation method

    摘要採用線性組合算符及幺正變換方法研究了磁場對量子阱中弱耦合束縛極化子的性質的影響。
  5. We conduct a theoretical study on the properties of a bound polaron in a quantum well under an electric field using linear combination operator and unitary transformation methods, which are valid in the whole range of electron - lo phonon coupling

    摘要採用線性組合算符及幺正變換方法研究了電場對量子阱弱耦合束縛極化子的性質的影響。
  6. Using plots with water and fertilizer fully controlled, the effect of photosynthetic characteristic and yield under different treatments of water and fertilizer coupling was investigated. the result showed that photosynthetic rates are different among treatments of water and fertilizer coupling, and the change of stomatal conductivity is the same as photosynthetic rat. there is almost no influence on evaporation rate and cellular co2 concentration the combination of fertilizer and manure under natural rainfall is beneficial to the maintenance of photosynthetic rate during grain filling, thus results in highter yield and good quality. however, the coupling of fertilizer and manure with sufficient water results in the decline of photosynthetic rate and stomatal conductivity, the yield decreased indicating there has a balance ratio between water and nutrients ( fertilizer and manure ) supply. the study proposed that the optimum management to exploring yield and qlality potential is the combination of fertilizer and manure application with no irrigation

    利用可精確控制水分條件的水肥平衡場，在不同水肥耦合處理的條件下，研究了水肥耦合對玉米光合特性及產量的影響，結果表明:不同水肥耦合處理的條件下，玉米的光合速率有所不同，氣孔導度的變化與光合速率的變化表現基本一致，而對蒸騰速率、細胞間co2濃度影響不大.其中，在自然降水條件下，有機肥和無機肥的配合，有利於玉米子粒灌漿期維持較高的光合速率，表現出良好的產量潛力.充足水條件下，有機肥和無機肥的配合，光合速率及氣孔導度表現較低，表現產量有所下降，說明供水量與施肥量之間有一個平衡系數.表明黑龍江省北部黑土區自然生態條件下，為充分發揮玉米的產量潛力，最佳的管理措施是增施無機肥和有機肥的配合
  7. A discretization equation is derived by using a finite volume method in three - dimensional cylindrical polar coordinate system. algebraic equations are solved by iteration with a line - by - line method that is a combination of tdma in axial and radial directions, ctdma in tangential direction and adi method in three directions. the pressure and velocity coupling are solved with the simple algorithm

    在三維圓柱坐標下，利用有限體積法推導離散方程；在軸向與徑向用三對角矩陣法（ tdma ） ，在周向採用循環三對角矩陣法（ ctdma ） ，採用交替方向亞鬆弛疊代法（ adi ）求解方程；推導同位網格下的壓力修正方程，用simple演算法處理速度與壓力的耦合；為加速收斂，採用適當的鬆弛因子。
  8. Detailed discussion on fea methods used in the coupling model of ic engine piston assembly and cylinder with the combination of the theoretic of fea, and theoretical foundation for two - and three - dimensional fea analysis of holistic coupling system of combustion chamber components

    結合有限元理論知識，詳細論述了在內燃機活塞組與缸套耦合模型中會用到的有限元方法。並為燃燒室部件整體耦合系統的二維、三維溫度場有限元分析奠定了理論基礎。
  9. Abstract : the safety of the safe coupling with elastic dowel pin and selection of its parameters are described in detail in combination with the project example, it is pointed out that good result can be obtained if it is applied in driving equipment of low speed and high torque

    文摘:結合工程實例對彈性柱銷安全聯軸器的安全性及參數的選取作了詳細的闡述，指出其在低轉速、高轉矩的傳動設備中使用，可取得很好的效果。
  10. Using the formulized approach to the su ( 1, 1 ) h ( 4 ) time - dependent system, which is derived from the combination of the formulation of the time - dependent bogoliubov transformation and the evolution equation of the system, we obtain the time evolution operator, state function and heisenberg uncertainty relation of the parametric oscillator with cavity losses under the weak coupling approximation. we also discuss the squeezing property of the system

    本文利用含時波戈留波夫變換與時間演化方程相結合得到的求解su （ 1 ， 1 ） ? h （ 4 ）量子系統的時間演化算符和演化態的普遍公式，我們導出了帶腔損耗的參數振子在弱耦合近似下的演化算符，態函數和不確定乘積，並討論了系統的壓縮特性。
  11. Abstract : we conduct a theoretical study on the properties of a bound polaron in a quantum well under an electric field using linear combination operator and unitary transformation methods, which are valid in the whole range of electron - lo phonon coupling. the changing relations between the ground - state energy of the bound polaron in the quantum well and the coulomb bound potential, the electric field strength, and the well width are derived. the numerical results show that the ground - state energy increases with the increase of the electric field strength and the coulomb bound potential and decreases as the well width increases

    文摘:採用線性組合算符及幺正變換方法研究了電場對量子阱弱耦合束縛極化子的性質的影響.推導出量子阱中束縛極化子的基態能量和庫侖束縛勢、電場和阱寬的變化關系.數值計算結果表明，基態能量因電場和庫侖束縛勢的不同而不同，隨電場和庫侖束縛勢的增大而增大，隨阱寬的增大而迅速減小
  12. Considering cavitation and the coupling of solid and fluid, the structure responses caused by combination of underwater explosion and hydrostatic pressure are simulated through modeling shell structure and its outer water

    通過對殼體結構及外部水域進行建模，並考慮流固耦合及空泡因素，模擬出結構受水下爆炸載荷及靜水壓力聯合作用下的響應。
  13. The ir - spectrometry analysis results show that chemical combination exists between al - zr coupling agent and fiber - like palygorskite in the modified fiber - like palygorskite and the chemical combination between al - zr coupling agent and phenolic resin is the strongest relative to the other three coupling agents, so al - zr coupling agent can be selected to improve the bonding behavior between fiber - like palygorskite and phenolic resin in the friction material

    紅外光譜分析研究表明：偶聯劑改性坡縷石中，鋁鋯偶聯劑與坡縷石在改性過程中發生了相對強烈的化學鍵合；相對于其它三種偶聯劑，鋁鋯偶聯劑和丁腈改性酚醛樹脂產生的化學鍵合最為強烈，因此可以認為鋁鋯偶聯劑能夠較好地改善摩擦材料中丁腈改性酚醛樹脂和坡縷石纖維界面結合狀況。
  14. The combination of oa and pl spectra can be used as a tool to distinguish silver nanoparticles, silver clusters, silver atoms and silver ions in the sol - gel films, and can reflect the coupling of ag and matrix in some degree

    將oa和pl譜相結合，作為一種研究手段以區別復合膜中銀粒子、銀簇和ag ~ + ，並在一定程度上反映ag與基質的耦合情況。
  15. In addition, the larger the pressure is, the higher the density and the magnet performance are. secondly, coupling agent helps to improve the magnetic power and its anti - erosion capacity, which promote the combination of magnet powder and bond

    偶聯劑在磁粉和粘結劑之間起到了「分子橋」的作用，用經偶聯劑預處理過的磁粉制備的磁體性能明顯高於未經處理的磁體。
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