wave packet造句
例句與造句
- In this context one speaks of pulses as wave packets or wave groups .
在這個意義下，我們把這樣的脈沖叫做包波或包群。 - 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，那么它將占據(jù)一個很大的空間和時間區(qū)域。 the actual wave is formed by wave packets or groups confined between the amplitude curves . 實(shí)際的波就是由限制在振幅曲線中的一些波包或波群組成的。 - Raises based on pca and small wave packet remote sensing image fusion
和小波包的遙感圖像融合算法 - < uk > the actual wave is formed by wave packets or groups confined between the amplitude curves . < / uk >
< uk >實(shí)際的波就是由限制在振幅曲線中的一些波包或波群組成的。 < / uk > - It's difficult to find wave packet in a sentence. 用wave packet造句挺難的
- 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(tǒng)，在波包演化過程中，電子和量子場會互相糾纏。 - 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(guān)系從波包導(dǎo)出的不嚴(yán)密性，微觀粒子的運(yùn)動由量子統(tǒng)計(jì)規(guī)律決定。 - Introduction to wave mechanics : schroedinger ' s equation , wave functions , wave packets , probability amplitudes , stationary states , the heisenberg uncertainty principle , and zero - point energies
介紹波動力學(xué):薛丁格方程式，波方程式，波包，或然率，穩(wěn)定態(tài)，海森堡不確定原理以及零點(diǎn)能量。 - Schrodinger equation , bound states , hydrogen atoms , wave packets and uncertainty relations , wkb approximation , principle of quantum mechanis , perturbation theory , variational method , spin and angular momentum , scattering theory
薛丁格方程、束縛態(tài)、氫原子、波包及測不準(zhǔn)原理、 wkb近似、量子力學(xué)的原理、微擾論、變方法、自旋與角動量、散射論。 - By the use of wkb method that the interaction between two wave packets is governed by coupled nonlinear schrodinger equations : and the coefficients of the equations , which are relevant with the distributing of basic flow , can be confirmed by the original dates
通過研究，結(jié)果表明： 1非線性重力波相互作用的演變過程滿足耦合的非線性schr ( ? ) dinger方程組：耦合方程組系數(shù)由實(shí)際大氣的基本場確定； 2 - 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(dāng)初始光子態(tài)是相干態(tài)，且忽略轉(zhuǎn)移的光子數(shù)時，電子與量子場系統(tǒng)之間不存在相關(guān)性，這種情況下量子場計(jì)算與半經(jīng)典計(jì)算等價；當(dāng)初始光子態(tài)是f 。 - According to the analysis of the reason of vibration which comes from reciprocating compressor and the non - stationary characteristic of the signal , in this paper , the method of fault diagnosis in this paper is the model parameter of structure identification and the wave packet decompose
在分析往復(fù)式壓縮機(jī)振動產(chǎn)生的原因以及其振動信號表現(xiàn)出來的非平穩(wěn)性的基礎(chǔ)上,采用了基于結(jié)構(gòu)模態(tài)參數(shù)識別和小波包分析相結(jié)合故障診斷方法。 - 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?yàn)橄喔蓱B(tài)是一個量子力學(xué)允許的最小的測不準(zhǔn)波包，沒有任何量子關(guān)聯(lián)，可以看作是一個準(zhǔn)經(jīng)典態(tài)，才導(dǎo)致了完全量子場論和半經(jīng)典近似下理論結(jié)果的完全一致性。 - 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(xué)體系的動力學(xué)行為在研究經(jīng)典和量子的對應(yīng)關(guān)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(jì)算了矩形彈子球體系的自關(guān)聯(lián)函數(shù),自關(guān)聯(lián)函數(shù)的峰和經(jīng)典周期軌道的周期符合的很好,這表明經(jīng)典周期軌道的周期可以通過含時的量子波包方法產(chǎn)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(jì)算結(jié)果表明在每一個回歸時間,波包出現(xiàn)精確的回歸.對于動量為零的波包,初始位置在彈子球內(nèi)部的特殊對稱點(diǎn)處,出現(xiàn)一些時間比較短的附加的回歸 - 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(zhì)的波導(dǎo)中的電磁脈沖的傳播。在本論文中，作者首先推導(dǎo)出分段填充不同介質(zhì)的波導(dǎo)中的電磁場分布、能量、傳輸功率以及反射系數(shù)和傳輸系數(shù)的表達(dá)式,然后，采用magic程序模擬了這種波導(dǎo)結(jié)構(gòu)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,并由模擬結(jié)果計(jì)算了波包穿越勢壘的群速和能量速度。
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