wave packet造句
例句与造句
- In this context one speaks of pulses as wave packets or wave groups .
在这个意义下，我们把这样的脉冲叫做包波或包群。 - If the wave packet has a narrow bandwidth, it will extend over a large region of space and time .
如果包带的带宽很窄，那么它将占据一个很大的空间和时间区域。 the actual wave is formed by wave packets or groups confined between the amplitude curves . 实际的波就是由限制在振幅曲线中的一些波包或波群组成的。 - Raises based on pca and small wave packet remote sensing image fusion
和小波包的遥感图像融合算法 - < uk > the actual wave is formed by wave packets or groups confined between the amplitude curves . < / uk >
< uk >实际的波就是由限制在振幅曲线中的一些波包或波群组成的。 < / uk > - It's difficult to find wave packet in a sentence. 用wave packet造句挺难的
- 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，电子与光场形成一个封闭系统，在波包演化过程中，电子和量子场会互相纠缠。 - 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
摘要指出不确定关系从波包导出的不严密性，微观粒子的运动由量子统计规律决定。 - Introduction to wave mechanics : schroedinger ' s equation , wave functions , wave packets , probability amplitudes , stationary states , the heisenberg uncertainty principle , and zero - point energies
介绍波动力学:薛丁格方程式，波方程式，波包，或然率，稳定态，海森堡不确定原理以及零点能量。 - 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、束缚态、氢原子、波包及测不准原理、 wkb近似、量子力学的原理、微扰论、变方法、自旋与角动量、散射论。 - 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
通过研究，结果表明： 1非线性重力波相互作用的演变过程满足耦合的非线性schr ( ? ) dinger方程组：耦合方程组系数由实际大气的基本场确定； 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
当初始光子态是相干态，且忽略转移的光子数时，电子与量子场系统之间不存在相关性，这种情况下量子场计算与半经典计算等价；当初始光子态是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
在分析往复式压缩机振动产生的原因以及其振动信号表现出来的非平稳性的基础上,采用了基于结构模态参数识别和小波包分析相结合故障诊断方法。 - 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
正是因为相干态是一个量子力学允许的最小的测不准波包，没有任何量子关联，可以看作是一个准经典态，才导致了完全量子场论和半经典近似下理论结果的完全一致性。 - 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学体系的动力学行为在研究经典和量子的对应关系方面越来越成为一个非常重要的方法.利用高斯波包分析方法,我们计算了矩形弹子球体系的自关联函数,自关联函数的峰和经典周期轨道的周期符合的很好,这表明经典周期轨道的周期可以通过含时的量子波包方法产生.我们还讨论了矩形弹子球的波包回归和波包的部分回归,计算结果表明在每一个回归时间,波包出现精确的回归.对于动量为零的波包,初始位置在弹子球内部的特殊对称点处,出现一些时间比较短的附加的回归 - 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
从90年代开始， emig和martin 、 landauer等人研究了分段填充不同介质的波导中的电磁脉冲的传播。在本论文中，作者首先推导出分段填充不同介质的波导中的电磁场分布、能量、传输功率以及反射系数和传输系数的表达式,然后，采用magic程序模拟了这种波导结构中电磁波的传播情况，得到了在不同时刻和不同位置处的电磁场分布图、能量图、坡印廷矢量图以及它们的频谱图,并由模拟结果计算了波包穿越势垒的群速和能量速度。
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