阈值条件

C→A跃迁准分子激光阈值条件的研究

Study of the C → A transition excimer laser threshold condition

对于激光器内的光场分布则应用严格的耦合波理论进行研究，通过将这两种方法有机结合，首次导出了两段式DFB激光器的阈值条件表达式。

Combined with these two methods , the threshold condition expression has been derived for the first time .

在延时反馈光学双稳性的动力学方程中引入描述反馈强度的静态稳定度。指出除相对延时Q外，静态稳定度S也影响着系统的不稳定行为，包括不稳定的阈值条件和振荡模式。

The degree of stability which describes intensity of feedback is introduced into the dynamic equations of optical bistability with delayed feedback .

通过数值模拟给出了有损耗情形注入率r与腔损耗系数c之间应满足的阈值条件，并讨论了不同腔损耗对稳态光子数分布和平均光子数的影响。

By numerical simulation we calculate the threshold satisfied by pumping rate r and damping c , and discuss the influence of cavity loss on the steady photon distribution and the mean photon number .

在系统非线性动态函数的导数满足有界的基本假设条件下，给出了此类系统基于线性函数耦合的阈值条件。利用Lyapunov理论，分析了同步的渐进稳定性，给出并证明了该判定条件的充分性；

The asymptotic stability of synchronization is analyzed based on the Lyapunov theory , and the sufficient condition is obtained . Furthermore , the synchronization threshold of the coupled system is estimated .

您需要强制触发一个阈值条件，产生一个警报，然后您可以检查SNMP陷阱是否达到您的SNMPManager。

You will need to force one of the threshold conditions to be triggered , resulting in an alert , and then you can check that the SNMP trap arrived at your SNMP manager .

采用饰缀（dressed）原子方法，讨论了被共振微波场驱动的三能级原子系统简并量子拍频激光器的增益系数，小信号增益系数、饱和光强、阈值条件和稳态光强。

In this paper , the dressed atom approach is used to discuss gain , small signal gain , saturation light intensity , threshold condition and stable light intensity of CW degenerate quantum-beat laser .

利用Allan方差得到光纤陀螺零漂信号滤波处理前和不同阈值条件下采用小波变换阈值滤波后各噪声系数的大小，定量地验证了滤波的效果。

The different noise coefficients of FOG drift before and after different threshold-values filtering are gotten by Allan variance , which quantitatively verify the filtering result .

研究了两种群相互竞争的具有非线性传染率的自治类型的SIS传染病模型，得到了一些平衡点稳定与否的阈值条件。

A SIS epidemic model with nonlinear infection rate is formulated for two competitive species . And the threshold conditions whether or not some equilibrium points are stable are obtained .

讨论了一类具有非线性传染力的阶段结构SI传染病模型，确定了各类平衡点存在的阈值条件，得到了各类平衡点局部稳定和全局稳定的条件。

A SI epidemic model with nonlinear infection incidence and stage-structure is studied in this paper , the conditions and threshold to the existence of various equilibria are established . It is obtained that the conditions about the locally asymptotic stability and the globally asymptotic stability of equilibria .

主要措施为：（1）让网络中各节点预先知道彼此之间的逻辑距离（hop数），使得那些在hop阈值条件下不可能到达目的节点的消息及早丢弃；

The main adopted measures are : ( 1 ) As the nodes foreknow the logic distances ( hop count ) between each other , the messages , which can 't reach the target under the hop-limit constraint , can be discarded as soon as possible .

研究了两共存种群中具有非线性传染率的自治类型的SIS传染病模型，得到了疾病传播与否的阈值条件及相应的平衡点的全局稳定性（或全局吸引性）。

A SIS epidemic model with nonlinear infection rate when the two species coexist is studied . The threshold criteria are set up to determine whether a disease persists in the species . And the global stabilities ( or global attraction ) of the corresponding equilibrium are obtained .

此外，我们还研究了任意量子态的Wigner函数在线性损耗过程中的演化，给出了一个阈值条件，所有满足该条件的量子态，其Wigner函数在损耗大于50%时负值消失。

Besides , we still study the Wigner function of arbitrary quantum state in linear loss process , and give a " bound condition " . The Wigner functions of all the states satisfying this bound condition will lose its negative distribution when the losses exceed 50 % .

详细讨论了低频和中高频空间相位畸变对SRRS阈值条件、斯托克斯光转换效率、剩余泵浦光和斯托克斯光相位的影响。

The effects of both low and high frequency phase perturbation on the threshold of the SRRS effects , the conversion efficiency of Stokes field and the phase of the residual pump field and the Stokes field were discussed in detail .

导出了激光新阈值条件的解析表达式，并对各类激光器分别进行了讨论。

The threshold values for some kinds of lasers are discussed .

导出了阈值条件的一般表达式，并进行了讨论。

A general expression of threshold condition was obtained and discussed .

半导体激光器阈值条件与横模的关系

Relation between the threshold condition and transverse mode of semiconductor lasers

脉冲激光引起金属靶板层裂的阈值条件

The threshold conditions for the pulsed laser induced spallation in metals

带泵浦的光双稳系统的激光阈值条件

The laser threshold conditions of the optical bistable system with pumping

双谐振参量振荡阈值条件的一般理论

A General Theory of the Threshold Condition of Double Resonance Parametric Oscillation

双光子激光器自脉冲运转的阈值条件

The Threshold Condition of Self-Pulsing Operation for Two-Photon Lasers

低增益脉冲准分子激光阈值条件的研究

Study on the Low Gain Excimer Laser Optimum Transmission

建立了激光熔凝和激光熔覆阈值条件计算方法和熔覆材料粉末流对激光束遮光率的模型。

A method was developed to calculate threshold condition for the laser remelting and cladding .

文中讨论了阈值条件，谱线宽度与泵浦功率间关系。

The dependence of threshold and linewidth of SES on the power of pump light is discussed .

光学谐振腔的损耗和阈值条件

Cavity losses and threshold condition

对不同阈值条件下检测的激活体素进行统计分析。

Then statistical analysis was performed on the activated voxels which were detected under the different thresholds .

入射强紫外激光光束质量越差，在熔石英介质中产生自聚焦的阈值条件越低；

The worse the beam quality is , the lower the threshold is . The biomass was lower .

对受激拉曼光谱进一步讨论了阈值条件及半值谱宽和泵浦功率的关系。

Secondly , relation between the threshold , spectra width of SRS and power of pump light is considered .

不同的起沙阈值条件和风速频率分布与沙尘释放能力的不同相对应。

Different threshold friction velocities and occurrence frequencies of strong wind account for the different dust emission capabilities for source areas .

虽然触发条件超过锁定阈值条件，但未观察到锁定现象。

Although the trigger condition is greater than the threshold of the lock-on effect , the high gain mode is not observed .