plane wave 中文意思是什麼

plane wave 解釋
平面波
  • plane : n 懸鈴木屬樹木。n 1 平面，水平面，面。2 （知識等的）發達程度，水平，階段。3 【航空】機翼面；〈常 ...
  • 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. This article discussed ar modeling method, capon method, music method and mn method four kinds of high resolution algorithms principle and has separately made the computer simulation in the ideal situation to the above four algorithms. through the comparison, the beam width of high resolution algorithm is much narrower than conventional beamforming method. then unifies the actual utilization, discussed the influence of time delay unbalance, time domain sampling, plane wave supposition and array element with scope and phase not identically to the beamforming and made the computer simulation

    本文首先討論了ar模型法、 capon法、 music法和mn法四種高解析度演算法的原理，在理想的情況下分別對上述四種演算法作了計算機模擬，通過比較，高解析度演算法的束寬比常規波束形成法窄得多;然後結合實際運用時的情況，重點探討了延時失配、時域抽樣、平面波假設和基陣的幅相不一致對波束形成的影響並做了計算機模擬。
  2. When an inhomogeneous plane wave is introduced into a dense dielectric layer, it can bounce between the two boundaries.

    把一非均勻平面波引進折射率較高的介質層時，它會在上下界面間來回地「彈」射。
  3. Reflection and refraction of a plane wave at the interface of double negative and double positive media

    平面波在雙負和雙正參數媒質界面的反射與折射
  4. In the section 3, we calculated the threshold and efficiency of double resonance oscillator ( dro ) in plane wave of clbo ; we also got the efficiency curves of clbo in gaussian beam

    第三章分析和數值模擬計算了平面波雙諧振情況下clbo晶體的振蕩閾值和轉換效率曲線，同時給出了高斯光束的轉換效率曲線並與bbo晶體進行了比較。
  5. According to the theory of scalar diffraction, first, the equipollence of spatial distribution of the plane - wave interferential field and parallel projective sine grating is discussed

    摘要根據標量衍射理論，首先討論了兩平面波干涉場的空間分佈與平行投影正弦光柵的等價性。
  6. Admittedly, it is not at all obvious that by now shining a plane wave through the processed hologram one could reconstruct an image of the original object.

    當然，我們還根本看不出，用一個平面波照射處理后的全息圖，為什麼能再現原來物體的一個象。
  7. Study on structural stability of mg - ce intermetallic compounds based on the pseudopotential plane - wave method

    化合物相結構穩定性的贗勢平面波方法研究
  8. Keep in mind that an idealized monochromatic plane wave must be depicted as an infinite wave train.

    要記住，一個理想的單色平面波應當表述為一個無限的波列。
  9. Analysis of the electromagnetic properties of the radome by plane wave spectrum method based on the gauss integration

    基於高斯積分的平面波譜法分析天線罩電性能
  10. It is important to recall that a sound wave in a nonhomogeneously deformed material cannot be a plane wave.

    重要的是要記得，非均勻變形材料中的聲波不可能是平面波。
  11. Experimental results show the obvious advantage and robustness of our methods. in this thesis, we study the algorithm of holographic stereogram display that can be implemented using cgh. we discuss the imaging process through capturing sequence parallax images, illuminating hologram by a plane wave creates the volume effect in the observer ' s eyes

    對基於計算機的三維全息成像中的光柵編、解碼理論進行了研究，在此基礎上，將小波變換方法應用到全息顯示中，建立新的變換模式下的光柵編、解碼演算法，計算中採用小波包分解方法，使全息條紋的計算更加快速、便捷。
  12. Upbuild the signal model for ship noise, deduce the relationship between sound pressure and particle velocity in plane wave

    建立本艦噪聲的信號模型，推導了平面波聲場聲壓和振速的相關性。
  13. In this paper, we have studied the transmission of a plane wave through a 1d quasiperiodic or aperiodic chain by numerical method. moreover the heat conduction for these chains is calculated. it is found that the heat flux j ~ n - 1 ( 0. 5 < < 1 ), and depends on the on - site potentials

    本文首先用數值方法，計算了各種頻率的平面波通過以上幾種典型的一維準周期和非周期鏈的透射系數，並據此研究了這幾種一維準周期和非周期鏈的熱通量j與粒子數n之間的關系，得出j n ~ （ a - 1 ） ， 0 . 5 1 ，與系統中在位勢的大小有關，並與其他系統的結果作了比較。
  14. The vector - based plane - wave spectrum method ( vpws ) is improved, which can directly obtain the far field diffractive pattern depending on the output near field data in the bor fdtd meshes by use of the deduced formulas in this dissertation

    改進了平面波譜傳播演算法（ vpws ） ，推導出的公式可以由borfdtd計算空間內的近場輸出數據直接計算出遠場的電磁場分佈。
  15. First the equation of the plane wave should be obtained in equably medium

    首先，推導出光波在均勻空間傳播所滿足的波動方程。
  16. The interaction of stable plane wave and electromagnetic pulse fields with human body is studied in this paper based electric field stress

    本文從電場應力的角度研究穩態平面波和脈沖波對人體的作用。
  17. The finite element method incorporated with floquet theorem is used to solve the 2 - dimentsional scattering problem of dielectric electromagnetic bandgap upon which a plane wave is oblique or perpendicular incident

    採用有限元和floquet定理相結合的方法，對不同參量的二維介質電磁帶隙ebg結構的反射和傳輸特性進行了研究。
  18. The plane - wave analytic solution of the coupled fluid - air - solid system and the fem model of air cushion isolations are applied to study the influence of air cushion on earthquake response of dams. the calculations show that air isolation will reduce the hydrodynamic pressure significantly and restrain the dam vibrations during earthquakes. if the dam and reservoir is isolated by air cushions, it will decrease the hydrodynamic pressures by more than 90 % and the seismic stresses by 20 - 30 %

    將本文首次提出的水體-氣體-結構系統的平面波作用理論解和三維有限元模型，應用於溪洛渡雙曲拱壩的抗震安全性和氣幕隔震可行性研究中，表明氣幕對高拱壩具有良好的隔震性能，可降低動水壓力90以上，壩體地震拱應力20 30 ，減震效果顯著，並使壩體的抗拉安全系數從0 . 93提高到3 . 58 。
  19. Then based on kirchhoff approximation theory, the formula of the coherent and incoherent scattering intensity of plane wave from two dimensional dielectric normally distributed rough surface are derived, and the scattering intensity of a planar, rough surface of unit area

    然後從粗糙面散射kirchhoff標量近似理論出發，得到了平面波對高斯分佈的二維隨機粗糙面的相干散射和非相干散射強度表達式，並給出了單位面積粗糙面非相干散射的表達式。
  20. Base on helmholtz integral equation, the incoherent scattering of plane wave from rough cone - shaped surface is derived with the far field theory and stationary phase method. and the incoherent scattering of plane wave from rough conical surface is also derived with shadowing function when the the radius of principal

    最後計算並分析了入射光為= 0 . 48 m時，粗糙錐面的平面波散射特性，考察了入射波和散射波的幾何關系，偏振態以及粗糙面統計參量等對散射強度的影響。
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