高階相變 的英文怎麼說

中文拼音 [gāojiēxiāngbiàn]
高階相變 英文
higher order phase transition
  • 高 : Ⅰ形容詞1 （從下向上距離大; 離地面遠） tall; high 2 （在一般標準或平均程度之上; 等級在上的） above...
  • 階 : 名詞1. （臺階） steps; stairs 2. （等級） rank 3. [醫學] （耳蝸的三個螺旋管的任一個） scala 4. [數學] order 5. [地質學] stage
  • 相 : 相Ⅰ名詞1 （相貌; 外貌） looks; appearance 2 （坐、立等的姿態） bearing; posture 3 [物理學] （相位...
  • 高階 : high [higher] order高階導數 higher derivative; higher order derivative; derivative of higher orde...
  1. ( 4 ) finally, the ginzberg - landau equation is considered. by the ansatz method, the chirped femtosecond solitonlike solution is given, and the stability of the solutions are studied in detail by linear stability analysis with variation method. also the long - distance stability of the ultrashort pulse and the interaction between the solutions are also discussed by numerical method

    （ 4 ）討論描述超短光脈沖傳輸的高階ginzberg - landau方程，給出該方程的啁啾類孤波解，並利用變分法解析地討論啁啾類孤波解的線性穩定性，同時研究這種類孤波解的長距離穩定性和相互作用。
  2. 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。
  3. In the second part of the thesis, the non - thermal phase transition in high energy collisions is studied in detail in the framework of random cascade model. the relation between the characteristic parameter xq of phase transition and the rank q of moment is obtained using monte carlo simulation, and the existence of two phases in self - similar cascading multiparticle systems is shown. the relation between the critical point qc of phase transition on the fluctuation parameter q is obtained and compared with the experimental results from na22

    文章第二部分中，我們用隨機級聯模型對高能碰撞中的非熱相變作了仔細研究，用montecarlo模擬得到了表徵相變的特徵參數_ q與矩階數q之間的關系，證實了自相似多粒子系統中存在兩相，求出了相變點q = q _ c對起伏參數的依賴關系，並和na22實驗結果進行了比較。
  4. ( 5 ) varying trend of leaf water potential differs in different seasons. leaf water potential changes significantly with temperature. the speed of leaf water potential rising with temperature in heavy saline is faster than that of in light saline

    （ 5 ）油葵葉水勢各生育階段變化趨勢不同，隨溫度變化顯著，多數階段葉水勢都隨溫度升降呈現相同變化，含鹽高的小區葉水勢升降速度高於低含鹽區葉水勢低於低含鹽區，可以反映土壤水分脅迫和鹽分脅迫。
  5. The new algorithms for classification of mpsk, mask and mqam signals using cumulant invariants are proposed in gaussian noise and ideal communication channel environment. the new classification features are blind to unknown snr and reference phase

    提出了在高斯噪聲和理想通道環境下，基於高階累量不變量特徵的mpsk 、 mask和mqam信號調制分類演算法，新特徵對信噪比和未知的參考相位參數是盲的。
  6. In the aspect of blind - identification, the mutual power spectrumx time - frequency distribution product of two delay signals are used as the features of classification. the cluster analysis and cumulant invariants of mpsk signals are used to automatically classify communication signals

    在信號識別中，選取信號的互功率譜、時頻分佈、 mpsk信號的延遲相乘信號作為分類特徵，利用模式識別中的聚類分析以及mpsk信號的基於高階累積量構成的分類特徵不變量實現了信號調制類型的自動分類。
  7. Rc - masonry combination arch bridge abandons the disadvantages of conventional masonry arch bridge ' s falsework type construction, which makes longer construction time, higher cost and against protecting environment. compared with double arch bridge, it has better arch ring ' s integer and smaller distortion in the stage of use

    Rc -石砌體組合拱橋摒棄了傳統石砌拱橋採用有支架施工造成的工期長，造價高，不利於環境保護的缺點；相比于雙曲拱橋，主拱圈具有整體性好，使用階段變形小的優點。
  8. Three shaped profiles ( parabola, linear, and exponential ) have been considered. the exponential dispersion profile fiber loop is optimal for the propagation and compression of picosecond pulse. on the contrary, the parabola dispersion profile fiber loop is optimal for femtosecond pulse due to the high order effects such as the third order dispersion ( tod ), stimulated raman scattering ( srs ) and self steeping ( ss )

    （ 3 ）研究不同色散遞減類型（拋物線遞減、線性遞減、指數遞減）光纖構成的環形腔中傳輸的特性，發現其色散曲線為指數遞減型光纖有利於皮秒光脈沖的傳輸與壓縮；而對于飛秒脈沖，由於三階色散（ tod ） 、脈沖拉曼自散射（ srs ）及自變陡（ ss ）等高階非線性效應的影響，情況恰恰相反；色散曲線為拋物線遞減型的光纖構成的光纖環最有利於脈沖傳輸與壓縮。
  9. A novel class of analysis tool in signal processing - higher - order statistics ( hos ) is presented in this thesis. we then use it along with the well - developed algorithms such as esprit and music in direction - of - arrival ( doa ) estimation

    本文介紹了信號處理中的一種新的分析工具? ?高階統計量，並與傳統的子寬間旋轉不變技術和多重信號分類技術相結合進行波達方向估計。
  10. So it is very difficult to set up the mathematical model. with the development of the technology of electronics and controlling, it is probable to realize the mainland method

    與直流電動機不同，三相異步電動機是一個非線性、多變量、高階強耦合的復雜被控對象，從而很難建立它的精確數學模型。
  11. Here, through expanding the nonlinear coupling constant, we have discussed this mechanism. in addition, we find that the phase transition at high temperature in qhd - i model has been suppressed in zm model

    本文通過展開非線性耦合常數，並逐階求解進行分析，討論了這一改善的機制，並發現qhd i模型在高溫下的相變機制在zm模型中遭到了抑制
  12. Higher power squeezing effects for odd and even q - coherent states

    變形相干態的高階壓縮效應
  13. It is constructed that radial impact and rubbing dynamics differential equations of the rotor system having the nonlinear rigidity on the unsteady and non - linear oil film. the bifurcation and chaos behavior of impact and rubbing fault rotor system caused by the parameters of nonlinear rigidity, rotor rotating speed, eccentric mass is analyzed, in the numerical value analysis method. the bifurcation diagrams, maximum lyapunov exponent diagrams, poincar maps, phase plane portraits, trajectories of journal center, time - history curve, amplitude spectra diagrams of the rotor motion are used

    （ 2 ）建立了具有非線性剛度的轉子系統在非穩態非線性油膜力作用下的徑向碰摩動力學微分方程，並應用含高階余項的非線性動力方程的線性化數值法研究了此類系統響應的復雜動力學行為，利用轉子響應的分岔圖、最大lyapunov指數曲線、 poincar截面映射、時域波形、相軌線、軸心軌跡、幅值譜等圖形分析了系統響應的周期運動、擬周期運動、倍周期分岔、混沌等運動形式的轉化與演變過程，重點研究了非線性剛度、轉子轉速、偏心質量等系統參數對碰摩故障轉子系統的分岔和混沌行為的影響。
  14. In this proposed algorithm, the phase rotation can be compensated using higher order statistics, nonlinear transform of equalizer outputs, and decision feedback algorithm, the faster convergent speed can be obtained by introducing sign algorithm, and the mse can be reduced via employing decision feedback equalization algorithm

    該演算法充分利用高階統計量所包含的相位信息、均衡器輸出信息的非線性變換及判決反饋演算法來補償相位旋轉；利用符號演算法可以減少計算量的特點來加快收斂速度；利用判決反饋濾波器的性能來減小均衡器輸出的均方誤差。
  15. For multi - output boolean functions, we give out the definition of correlation permissibility. by investigating some properties of the balanced multi - output boolean functions, a feasible strategy of evolvement of function is presented. based on the method of simulated annealing and using the strategy presented in the 3rd section of capter four, a method is described to tell us how we can get some multi - output boolean functions with low correlation permissibility and high nonlinearity

    對于多輸出布爾函數，本文提出了相關容許度的概念，針對平衡的多輸出布爾函數，研究了這類函數的分量函數之間的關系和性質，在不改變部分分量函數的情況下，分析了相鄰函數演化的可行性和演化策略，基於simulatedannealing演算法，本文分別提出了具有高非線性度的一階相關免疫平衡函數的優化設計演算法，以及具有高非線性度和低相關容許度的布爾函數或多輸出布爾函數的優化設計演算法。
  16. The influence of optical source chirp on femtosecond soliton interaction is studied numerically, and the unequal amplitude method can reduce the interaction. in addition high - order coupled equations governing the evolution of two orthogonal polarization components of the same wave are derived by using multi - dimension derivation expansion method of singular perturbation theory and the dispersion relation. furthermore, a class of optical solitary wave solutions, such as the bright - bright, dark - dark, bright - dark, and combined solitary waves are found under certain parametric conditions

    數值研究了源啁啾飛秒孤子間相互作用，提出了抑制該作用的可能方案；用奇異攝動多重尺度導數展開法和色散關系推導了耦合高階非線性薛定諤方程（ chnlse ） ，並用行波變換法得到了一系列孤波解析解，分析了它們在光纖中傳輸的必要條件，也討論了它們的穩定性，為實現飛秒光脈沖在光纖中的無畸變傳輸作理論上的探索。
  17. The tst was applied to multi - scaling vector to increase it ' s approximation order, and with pr condition, the dual of transformed multi - scaling vector was obtained. then the special tst was taken for this dual, the dual of original multi - scaling vector with higher approximation order obtained, finally the multi - wavelet function with higher vanishing moment maybe constructed

    我們先對已知的尺度向量進行雙尺度相似變換，以提高其逼近階，再求出變換后的尺度向量的對偶，對這個對偶再進行特定的雙尺度相似變換，就可得到原尺度向量的有高逼近階的對偶，從而可能得到具有高階消失矩的多小波函數。
  18. First, because pipelines are so complex that controlled object is high order, delay, coupling, nolinear and time - varing, it is difficult to realize closed loop control for it using valid mathematic model. to resolve this problem, the paper presents a fuzzy - pid control algorithm with self - adjusting regulation factor. second, if a moving motor supplied by inverter power is switched to be supplied by power supply, the impact of overload - voltage and overload - current appears

    主要針對中、大容量供水系統中，由於供水管網鋪設復雜、彎管多、控制對象具有高階、滯后、耦合、非線性及參數時變的特點，難以利用有效的解析式數學模型進行閉環控制，以及多臺水泵並聯運行時，水泵電機由變頻電源供電向工頻電源供電切換過程中產生的過電壓過電流沖擊這兩個難題，提出了可調整因子fuzzy - pid控制演算法及利用鎖相環控制實現水泵電機由變頻電源向工頻電源的同頻同相平滑切換。
  19. Comparing with the other time - series pattern finding algorithm, this one has a few of innovations. firstly, improving time - series pattern finding algorithm from the classified accuracy. secondly, ignoring some aberrance of time - series pattern by the high - order neural network

    同其他的時序模式發現演算法相比較，具有幾點創新： 1 ）從分類精度的角度來改善時序模式發現演算法； 2 ）通過高階神經網路，直接利用網路的特性忽略了時序模式的某些畸變； 3 ）利用了分層方法，進一步改善分類精度。
  20. In this study, the effect of rotating elliptical inner cylinder on the instability of flow field, the relationship between azimuthal wave speed and the angular speed of inner cylinder, and the so - called ' hysteresis ' will also be investigated experimentally

    本文主要目的除了藉由實驗比較橢圓與圓形截面內柱兩種系統加速過程中不穩定發生時機、流場流況的差異外；對于所謂的遲滯現象于兩系統中的發生過程亦將探討，此外內柱幾何形狀所造成高階不穩定於圓周方向的波形相速度變化，也是本文的探討重點。
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