wave packet 中文意思是什麼

wave packet 解釋
波包
  • 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...
  • packet : n 1 包裹；小件行李；（郵件等的）一捆；小批；袋。2 （定期）郵船，班輪。3 〈英俚〉（打賭等中輸贏的...
  1. Analysis of fiber four - wave mixing in metropolitan area network based on packet over wdm technology

    光包交換城域網中光纖四波混頻效應分析
  2. In this paper, according to the wave - packet function of singularity particle in potential field of harmomic oscillator, the wavefunction and associated probability density of coupling harmomic oscillator is calculated and discussed according to the distinguishable particles and indistinguishable particles

    摘要根據諧振子勢場中單個粒子的波包函數，推導出了耦合諧振子的波函數和聯合幾率密度，特別是不可區分粒子的干涉項，並按照可區分粒子與不可區分粒子進行了討論。
  3. We studied the electronic wave packet in a quantized laser field where the electron and the field was treated as a close system

    其中，電子與光場形成一個封閉系統，在波包演化過程中，電子和量子場會互相糾纏。
  4. Generally, the electron and photons become entangled as the electronic wave packet evolves. if initial photon state is a coherent state and we neglected the transferred photons then the quantized - field calculation is equivalent to the semiclassical calculation

    當初始光子態是相干態，且忽略轉移的光子數時，電子與量子場系統之間不存在相關性，這種情況下量子場計算與半經典計算等價；當初始光子態是f 。
  5. Evolution of wave - packet in three - dimensional boundary layer on aswept wing

    波包在後掠翼三維邊界層中的演化特徵
  6. This article points out the imprecision of the eduction of uncertairnty relation from wave packet while the motion of microcosmic particles is determined by quantum statistical theorem

    摘要指出不確定關系從波包導出的不嚴密性，微觀粒子的運動由量子統計規律決定。
  7. It is very constructive to get power quality parameter in time. in this paper, we study the power quality parameter arithmetic in difference and research tune wave measure in particular. we give a new method based on transform of the shannon wavelet packet interpolation in frequency domain

    本論文研究了電能質量各參數的測量演算法，特別是針對目前頗受關注的電網諧波檢測技術進行了深入的探討，提出了一種shannon小波頻域內插的小波包分解諧波檢測方法，模擬試驗表明該方法達到了很好的抗混疊效果，同時還能檢測出諧波中的高頻成分以及電網中的次諧波干擾。
  8. In this paper, first, the study of the distribution of electromagnetic field, energy, power, reflection coefficient and transmission coefficient in waveguide with piecewise different dielectric constants are studied. then, the behavior of propagation of am signal and gauss pulse signal through the waveguide are simulated by magic code ， and the plots of electromagnetic field, energy, ponyting vector and their spectrums at different time and different position are obtained. and, the group velocity and energy velocity of wave packet through barrier are calculated

    從90年代開始， emig和martin 、 landauer等人研究了分段填充不同介質的波導中的電磁脈沖的傳播。在本論文中，作者首先推導出分段填充不同介質的波導中的電磁場分佈、能量、傳輸功率以及反射系數和傳輸系數的表達式，然後，採用magic程序模擬了這種波導結構中電磁波的傳播情況，得到了在不同時刻和不同位置處的電磁場分布圖、能量圖、坡印廷矢量圖以及它們的頻譜圖，並由模擬結果計算了波包穿越勢壘的群速和能量速度。
  9. The coherent state is represented by a minimum uncertainty wave packet, the quantum correlation in these state is absent, so that it behaves as a quasi - classical state. it is such a property that leads to the results coincide completely with those obtained in semiclassical approximation

    正是因為相干態是一個量子力學允許的最小的測不準波包，沒有任何量子關聯，可以看作是一個準經典態，才導致了完全量子場論和半經典近似下理論結果的完全一致性。
  10. Raises based on pca and small wave packet remote sensing image fusion

    和小波包的遙感圖像融合演算法
  11. The use of wave packet to analyze the dynamics of quantum mechanical systems is an increasingly important method to the study of the classical - quantum correspondence. using the quantum gaussian wave packet analysis method, we calculate the autocorrelation function of the rectangular billiard, the peak positions of the autocorrelation function match well with the periods of the classical periodic orbits, which show that the period of the classical orbits can be produced by the time - dependent quantum wave packet method. we also discuss wave packet revivals and fractional revivals in the rectangular billiard, the results show that there are exact revival for all wave packet at each revival time. we find additional cases of exact revivals with short revival times for zero - momentum wave packets initially located at special symmetry point inside the billiard

    利用波包分析量子力學體系的動力學行為在研究經典和量子的對應關系方面越來越成為一個非常重要的方法.利用高斯波包分析方法，我們計算了矩形彈子球體系的自關聯函數，自關聯函數的峰和經典周期軌道的周期符合的很好，這表明經典周期軌道的周期可以通過含時的量子波包方法產生.我們還討論了矩形彈子球的波包回歸和波包的部分回歸，計算結果表明在每一個回歸時間，波包出現精確的回歸.對于動量為零的波包，初始位置在彈子球內部的特殊對稱點處，出現一些時間比較短的附加的回歸
  12. The other is the local cosine bases developed as a kind of orthogonal basis based on the fourier analysis and wavelet - packet theory. in this thesis, theoretical analysis and numerical applications are mainly focused on the beamlet - domain wave field extrapolation using g - d frame propagators. the whole thesis consists of six chapters

    通過對具體信號的分析，對不同變換方法的信號表示效率進行了對比，並總結了g - d框架及對其進行尺度擴展組成的gabor函數族在應用於波場相關的研究中時，優于其它正交分解方法的特性。
  13. When the pulse width of input gaussian wave packet was reduced and the length of forbidden region retained, the result displayed the output signal distorted seriously and its spectrum changed very hard. a frequency above the cut - off frequency became the main frequency and the group velocity was below than c

    在保持截止區長度不變，而減小輸入高斯波包的脈沖寬度時，模擬顯示輸出波形嚴重失真，而且，頻譜也發生很大的變化，主頻已變為一高於截止頻率的頻率，群速度小於光速c 。
  14. The followings were discovered in the simulations of undersized waveguide : when the pulse width of input signal, a gaussian packet, is rather wide, the output signal distorted little. a superluminal group velocity 3. 21c was revealed when the wave packet crossing 50mm forbidden region

    對凹陷波導（ undersizedwaveguide ）的模擬發現：輸入脈沖寬度較大的高斯波包，模擬結果顯示輸出波形失真較小，經過計算得到電磁波包穿過長50mm的截止區時，電場的幅度衰減了- 41 . 5db ，群速度為3 . 21c 。
  15. If the wave packet has a narrow bandwidth, it will extend over a large region of space and time.

    如果包帶的帶寬很窄，那麼它將占據一個很大的空間和時間區域。
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