查询词典 unitary

The properties of bound magnetopolaron with strong electron-LO phonon coupling were studied using a linear combination operator and a unitary transformation method in an asymmetry quantum dot.

采用线性组合算符和幺正变换方法，研究了非对称量子点中电子和体纵光学声子强耦合下束缚磁极化子的性质。

The influence of the electric field on the properties of the bound magnetopolaron in an infinite-depth GaAs semiconductor quantum well is investigated using the linear-combination operator and the unitary transformation method. The relationships between the polaron's ground state energy and the Coulomb bound potential, electric field, magnetic field, and well-width are derived and discussed.

研究了在外加电场作用下无限深GaAs半导体量子阱中束缚磁极化子的性质，采用线性组合算符及幺正变换方法导出了量子阱中弱耦合束缚磁极化子的基态能量与阱宽、电场强度、磁感应强度、库仑束缚势的变化关系，同时讨论了振动频率和库仑束缚势、外场之间的变化关系。

human visual perception ; unitary rectuit transform ; prewitt operator filtering ; standerd deviation enhancement ; median filtering

这个方法可以同时增强整个图像对比度和边缘，但它的缺点是对噪声敏感，会非线性地增强图像的

The study on the mean number of phonons of the strong-coupling bondage polarons in magnetic field;2. The first excitation energy and the mean number of phonon of the strong-coupling magetopolarons in the polyatomic semi-infinite polar crystals were studied through a linear-combination operator and unitary transformation.

采用线性组合算符和幺正变换，利用变分法计算了多原子半无限极性晶体中由电子和光学声子强耦合相互作用所产生的磁极化子的第一激发能量及平均声子数，并通过适当的数值计算图示了它们与磁场的关系。

The variational relations of the first internal excited state energy,the excitation energy and the frequency of transition spectral line between the first internal excited state and the ground state of the electron which is strongly coupled with phonon in an asymmetry quantum dot with the transverse and longituainal effective confinement length of quantum dot and the electron-phonon coupling strength were studied by using a linear combination operator and the unitary transformation methods.

采用线性组合算符和幺正变换方法研究非对称量子点中与声子强耦合的电子的第一内部激发态能量、激发能量和第一内部激发态到基态的跃迁谱线频率随量子点的横向和纵向有效受限长度，电子-声子耦合强度的变化关系。

The influences of the external magnetic field on the properties of the excited state of the polaron in a parabolic quantum dot are studied by using the linear combination operator and the unitary transformation method, the relation of the first internal excited state energy E1, excited energy △E and the resonance frequency ω of both the strong-and weak-coupling polaron with the effective confinement length l0 of the quantum dot, the electron-phonon coupling strength α and external magnetic field B are derived.

采用线性组合算符和幺正变换方法研究了外场对抛物量子点中极化子的激发态性质的影响，导出了强、弱耦合情况下极化子的第一内部激发态能量E1、激发能量△E、共振频率ω与量子点的有效受限长度l0、电子－声子耦合强度α以及外场B的关系。

Toperform probabilistic teleportation via the generally entangled quantumchannel, the clients must know a unitary operator which can transforms thequantum channel into the clients\' transparent quantum channel.

对于一般的部分纠缠量子信道，客户必需知道一个局域幺正算子，将量子信道变换为客户端透明的量子信道，才能执行概率隐形传态。

But most of existing research on the population in suburb which depend on the censuses data of 2000 is macroscopical and unitary. And the space scope of research is based on the administrator unit. So there is devoid of the research about individual and microcosmic condition because of less of data.

对于郊区人口的一般属性研究，目前在理论界多有涉及，其基础有赖于历次人口普查的数据，由于这些数据以行政区划为统计单位，决定了这些研究适应较为宏观、并与行政区划相适应的命题；而对有赖于个体统计数据的人口聚居实际情态的研究，由于数据特点的限制涉猎较少。

If is material and space - time divide into two thing and unitary research space-time, Now space - time is 4 dimensions, It is 4 dimensions that general person is highly impossible to think of time.

意义：如果把物质和空-时分成两种事物，单一研究空-时，这时空-时就是四维，让一般人很难想到时间是四维的。

The Allocation of Focal Attention in Visual Space: Unitary or Split?

篇名 一心一意或三心二意？视觉注意力的统整性

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失