four-level的例句大全

A four-level algorithm to improve the convergence of the three-level costate prediction method

改进三级共态预估法收敛性能的四级算法

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The four-level algorithm given in this paper is a hierarchical algorithm which is developed from the three-level costate prediction method of Hassan-Singh for solving large-scale non-linear dynamical system problems.

本文提出的四级算法是一种由Hassan-Singh的三级共态（？）法发展起来的、解大规模非线性动态系统问题的递阶算法。

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THK quantum theory of the four-level three-mode laser with a common upper level

共上能级三模激光的全量子理论

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By using a generalized four-level J-C model, the equation of motion of the field density matrix for the three-mode laser operating in the four-level atomic system is obtained.

本文通过使用推广的J&C模型，获得了四能级原子系统中三模激光运转情况下场密度矩阵的运动方程。

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Lamb's quantum theory of lasers is extended to deal with the three-mode laser operation in an in homogeneously broadened solid medium consisting of four-level atoms.

本文把Lamb的激光量子理论推广应用于处理固体非均匀增宽介质中的四能级三模激光运转。

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Compared with three-level atomic system, the atomic coherence effects in four-level can lead to EIT and EIA, which depend on the intensity of control light and the relaxation of the fourth level.

与三能级原子系统相比，四能级原子相干效应即可导致电磁感应透明的产生，也可产生电磁感应吸收现象，取决于控制光的强度和第四个能级衰变率的大小。

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Based on the rate-equation theory of four-level system, the expressions of threshold pump power, output power and slope efficiency are given.

在本章中，我们首先从四能级激光系统空间速率方程理论出发，得到了阈值泵浦功率、输出功率和斜效率的表达式。

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Reasons for Supplementing Four-level Nursing System Standard and Its Contents

提出增补《分级护理制度标准》的原因及内容探讨

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Using the present numerical method, we also study theoretically the behalf of double switching from normal to anomalous dispersion of N-type four-level atomic system via trichromatic phase manipulation of electromagnetically induced transparency.

本文还应用此方法，在理论上研究了通过三色场相位操纵电磁诱导透明，从而实现N型四能级原子系统的从正常色散到反常色散的双重转换行为。

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using electric dipole moment and the rotating wave approximation and matrix theory, the dispersion and absorption properties of the quasi-lambda four-level system driven by different relative phase are investigated on the condition of the interaction representation.

在相互作用表象下，运用电偶极矩和旋转波近似及其密度矩阵方程理论，探讨了准∧型能级系统中相干光场之间的不同的相对相位对探测光场的色散和吸收的影响。

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The dynamic characters and output characters of intra-cavity OPG were analyzed theoretically, according to the three-wave coupled equations and acousto-optic Q-switched four-level rate equation.

根据光学参量产生的耦合波方程以及声光Q开关运转的四能级系统速率方程，分析内腔OPG过程的动态特性以及输入输出特性。

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The wave-function of the system of single-mode field interacting with N-type four-level atom is solved exactly, and the time-evolution of atomic particle's occupancy is analyzed by means of numerical method.

精确求解了单模光场与N型四能级原子相互作用系统的波函数，并采用数值计算方法，分析了原子布居的时间演化特性。

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Four-level education system of RTVU is the valuable resource of national higher education.

广播电视大学四级办学系统是国家高等教育的宝贵资源。

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Of existing four-level sports industry There is a weak foundation, ambiguous advantages and low cluster-based development for applying for Zhejiang province-based national sports leisure industry.

浙江省富阳国家级体育休闲基地的申请存在产业底子薄、优势不明显，集群化发展比较弱。

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The tower sits atop a four-level podium that houses large banquet, meeting, dining, fitness and spa facilities.

塔楼在四层裙房内包含了大型宴会厅，会议中心，餐饮区，健身中心和SPA设施。

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photon echo in ultrafast modulation spectroscopy of a four-level system

四能级系统超快调制光谱学中光子回波的研究

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kirkpatrick's four-level model of evaluation

四阶层评估模型

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theoretical analysis of four-level single mode fiber laser

四能级单模光纤激光器的理论分析

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electromagnetically induced transparency window in the system of four-level configuration

一个四能级相干驱动原子系统中的多透明窗

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effects of driving-field phase fluctuation on an open four-level system

驱动场相位涨落对开放四能级系统的影响

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