稀疏波 的英文怎麼說

中文拼音 [xīshūbō]
稀疏波 英文
expansion wave
  • 稀 : Ⅰ形容詞1 （事物出現得少） rare; scarce; uncommon 2 （事物之間距離遠; 空隙大） sparse; scattered 3...
  • 疏 : Ⅰ動詞1 （疏通） dredge （a river etc ）2 （疏忽） neglect 3 （分散; 使從密變稀） disperse; scatte...
  • 波 : Ⅰ名詞1 （波浪） wave 2 [物理學] （振動傳播的過程） wave 3 （意外變化） an unexpected turn of even...
  • 稀疏 : few and scattered; few and far between; thin; sparse
  1. As a result a reflected wave is sent back into the water, but this is a rare faction wave.

    結果，向水中送回一個返射波，但這是一種稀疏波。
  2. The hyperbolic conservation laws with relaxation appear in many physical systems such as nonequilibrium gas dynamics, flood flow with friction, magnetohydrodynamics, etc. firstly, the thesis proves that there exists a unique global smooth solution for the cauthy problem to the hyperbolic conservation laws system with relaxation ; secondly, in the large time station, the thesis proves that the global smooth solutions of the hyperbolic conservation laws system with relaxation converge to rarefaction waves solution at a determined l ( p > 2 ) decay rate

    帶鬆弛項的雙曲型守恆律組出現在諸多的物理系統中。例如，非平衡態的氣體動力學、帶摩擦的水流、磁動力學等。本文首先證明，帶鬆弛項的雙曲型守恆律組的柯西問題的整體光滑解的存在唯一性；其二，證明了帶鬆弛項的雙曲型守恆律組的解與相應的平衡態守恆律的稀疏波解在大時間狀態下的l ~ p衰減率。
  3. Stability of the rarefaction wave for the generalized bbm - burgers equation

    方程稀疏波解的穩定性英文
  4. Due to the release by the rarefaction wave from the rear of copper impactor, and with the measurement of the velocity at the interface of sample and window, the release path was detected

    利用來自飛片后界面稀疏波對被測樣品卸載，測量了樣品窗口界面的粒子速度剖面，得到了無氧銅的卸載路徑。
  5. On the basis of forefathers " study, the interaction of the shock waves of torrent, and that of rarefaction to shock wave have been discussed in detail in the useof the concept of the ( u, h ) curve

    在前人研究的基礎上，通過引入（ u ， h ）曲線的概念，分別對急流沖擊波的相互作用，稀疏波與沖擊波的相互作用進行了比較詳細地討論。
  6. The ridgelet transform [ 3 ] was introduced as a sparse expansion for functions on continuous spaces that are smooth away from discontinuities along lines

    脊波變換（上標[ 3 ] ）對連續空間中沿直線奇異的函數能夠進行稀疏表達。
  7. Second, a new wavelet - based denoising method without free parameters is proposed which is based on the sparseness and decorrelation properties of the discrete wavelet transform

    首先提出了一種基於相關鄰域模型的sar圖像rcs重構方法。其次，利用離散小波變換的稀疏性和減相關性進行sar圖像濾波。
  8. Centered rarefactional wave

    有心稀疏波
  9. The control - equations were solved with upwind tvd algorithm and elemental chemical reaction model, with the point - implicit used to overcome the numerical stiffness of chemical reaction source term

    數值結果顯示，當爆轟波平掠過惰性氣體界面時，形成了爆轟波、界面、透射激波以及稀疏波相互作用的現象。
  10. The results show that, when detonation sweeps a contact surface of inert gas, interactions of detonation, transmit shock and contact surface take place ; in condition of high n2 dilution proportion, detonation is decoupled by rarefaction waves

    在高n2比例稀釋的可燃混合氣體情況下，當爆轟波平掠過特定惰性氣體界面時，它與惰性氣體界面相互作用產生的稀疏波可以導致爆轟波的解耦。
  11. In this low ground about borodino in the mist, and above it, and especially along the whole line to the left, in the copses, in the meadows below, and on the tops of the heights, clouds of smoke were incessantly springing out of nothing, now singly, now several at once, then at longer intervals, then in rapid succession. these clouds of smoke, puffing, rolling, melting into one another, and sundering apart, trailed all across the wide plain

    在霧氣騰騰的波羅底諾附近的窪地上，以及在它以外的高地上，特別是在戰線的左方，在樹林田野窪地高地的頂端，彷彿無中生有似的不斷地騰起大炮的團團濃煙，有時單個出現，有時成群出現時而稀疏，時而稠密，這一帶到處可以看見煙團膨脹開來，茂盛起來，洶涌滾動，混成一片。
  12. Cwdm provides wide bandwidths at low cost, which can be applied to point - to - point, ethernet, sonet rings etc. this assay designed the main control unit in cwdm system

    稀疏波分復用系統cwdm用很低的成本提供了很高的接入帶寬，適用於點對點、以太網、 sonet環等各種流行的網路結構。
  13. In the situation of shock wave, the interaction caused by the situation of one shock wave catching up with another is qualitatively analyzed with the result of the wave form : reflection rarefaction and incidence shock wave

    對急流沖擊波的情況，從定性的角度分析了一個沖擊波追趕上另一個沖擊波后的相互作用，得到可能產生的波形，即反射的稀疏波和入射的沖擊波。
  14. Using an l2 energy method proves that the solutions of the general initial - boundary problem to this relaxation model converges time - asymptotically to a stationary wave or a rarefaction wave or superposition of these two kinds wave for small perturbation

    對此鬆弛模型，用l ~ 2 ?能量方法證明了在小擾動的情形下，相應的一般初邊值問題的解漸近收斂到一個穩定波或一個稀疏波或這兩種非線性波的疊加。
  15. In the situation of the rarefaction chasing after the shock wave, both the analysis solve and the important relation as to the characteristics of the wave form are obtained in the use of the characteristic line method before the rarefaction catching ip with the shock wave ; after thai, qualitatively, two kinds of wave forms, reflection shock wave and incidence shock wave, or reflection shock wave and incidence rarefaction, may be obtained as well as the corresponding conditions for their occurrence

    對稀疏波追趕沖擊波的情況，在稀疏波趕上沖擊波以前，利用特徵線方法，得到了此問題的解析解及有關波形特性的重要關系；在稀疏波趕上沖擊波以後，不僅定性地得到二者經過相互作用以後，可能產生的兩種不同波形，即反射的沖擊波和入射的沖擊波或者反射的沖擊波和入射的稀疏波，而且給出了產生不同波形所對應的條件。
  16. Compared with the initial value problem, the weak entropy solution of the initial - boundary value problem includes the following new interaction type : a central rarefaction wave collides with the boundary and the boundary reflects a new shock wave which is tangent to the boundary

    與初始值問題相比較，初邊值問題的弱熵解包含了以下新的相互作用類型：中心稀疏波與邊界相撞，邊界反射出一個與之相切的新激波。
  17. If the inviscid solution includes the interaction that a central rarefaction wave collides with the boundary and the boundary reflects a new shock wave which is tangent to the boundary, or the inviscid solution includes some shock wave which is tangent to the boundary, then the error of the viscosity solution to the inviscid solution is bounded by o in l1 - norm ; otherwise, as in the initial value problem, the error bound is o

    如果無粘解包含中心稀疏波與邊界相撞且邊界反射一個與之相切的新激波這樣的相互作用，或者無粘解包含與邊界相切的激波，那麼在l ~ 1 -范數下粘性解與無粘解間的誤差界是o （ ~ （ 1 / 2 ） + | ln | + ） ；否則，類似於初始值問題，誤差界是o （ | ln | + ） 。
  18. In chapter 1, the thesis studys the following cauthy problem to hyperbolic system with nonlinear relaxation term we prove that for the initial value with bounded c1 norm, there exists a unique global smooth solution for the cauthy problem ( 1 ), ( 2 ) ; in chapter 2, the thesis considers the following hyperbolic system with relaxation term and the sclar conservaton law equation when e is fixed, for a certain class of initial data, in the large time station, the thesis gets a determined lp ( p > 2 ) decay rate between the golbal smooth solutions of system ( 3 ) and the rarefaction waves solution of equation ( 4 )

    在第一章中，研究如下帶非線性鬆弛項的雙曲組的柯西問題證明了，對c ~ 1模有界的初值，柯西問題（ 1 ） ， （ 2 ）存在唯一的整體光滑解。在第二章中，考慮如下帶鬆弛項的雙曲組和單守恆律方程u _ t + f （ u ） _ x 0 ， （ x ， t ） r r ~ + 。 （ 4 ）當固定時，對一類初值，得到方程組（ 3 ）柯西問題的整體光滑解與方程（ 4 ）的稀疏波解間在大時間狀態下的l ~ p （ p 2 ）衰減率。
  19. Part two introduces some known preliminary results which will be used frequently in the following text. after smoothing the solution to the rarefaction wave, we further give some decay estimates which plays an important role in the following estimate

    第二部分主要介紹了本文所需要的一些已知結果，在對稀疏波進行光滑化處理后，進一步給出了關于光滑稀疏波的一些衰減估計，這些衰減估計在後面的估計中起著重要的作用。
  20. In addition, quantitative research is made for the reflection wave and the incidence shock wave resulting from the interaction. the relationship of some quantitative factors like wave height and speed together with the computing method are the achievements of the research

    另外對于稀疏波與沖擊波相互作用以後產生一道反射的沖擊波和一道入射的沖擊波這種情況，給予了定量地研究，得到了波高、波速等一些定量之間的關系和計算方法。
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