参数变化

Finally, the law that laser reflection characteristics varies with the parameters of the transmitting laser beam and the cat eye optical lens, including aperture, focus and focal shift etc, is achieved.

得出了猫眼效应反射光特性随着入射激光参数以及猫眼光学镜头的基本参数——口径、焦距、离焦量变化的规律。

Numerical simulation of water injection into coal seam throughlong drill hole and determination of its reasonable parameters

用有限元数值模拟方法求解了煤层注水二维、三维非定常渗流方程，用该数值计算模型结合具体实例，主要分析了工艺参数中注水压力、时间和钻孔间距与湿润范围的动态变化关系，给出了选取合理的注水工艺参数的计算公式。

In order to deter-mine the suspension point of double donkey headed oil suction pump and kinematics status and law of each component, this paper established corresponding analytic equation of kinematics and kinematics analysis, and carried Out calculation on the kinematics and kinetics law of the double donkey headed oil suction pump.

为了确定双驴头抽油机悬点和各构件的运动状态及运动规律，建立了相应的运动和动力分析的解析方程，并对双驴头抽油机的运动和动力规律进行了计算，由编制的相应计算机程序，确定出抽油机在一个周期内的运动参数与动力参数的变化规律，为合理选择电动机、设计机械换向及平衡重提供了理论依据。

In this dissertation, based on the beam propagation equation in the free-space, the hyperbolic-fit mothed is used to calculate the M2- factor of Gaussian beams passing through a spherically aberrated lens for the first time.

本论文根据自由空间中光束的传输方程，利用多点拟合的方法，通过数值计算，首次研究了激光束通过球差透镜后的M~2因子随球差的变化规律，并用M~2因子、桶中功率和K参数作为光束质量评价参数，讨论了透镜的像差、遮拦比等对激光光束质量的影响。

A distributed parameter model was proposed to simulate the airside heat transfer of the finned-tube evaporators in the frosting process.

建立了结霜条件下翅片管蒸发器空气侧流动和换热的分布参数仿真模型，模型考虑了蒸发器结构、霜层厚度以及湿空气状态等参数在气流方向的沿程变化。

A distributed parameter model is proposed to simulate the airside heat transfer of the finned-tube evaporators in the frosting process. The variation of the evaporator structure, the frost thickness and humid air conditions along the flow path are taken into consideration.

建立了结霜条件下翅片管蒸发器空气侧流动和换热的分布参数仿真模型，模型考虑了蒸发器结构、霜层厚度以及湿空气状态等参数在气流方向的沿程变化。

Research on uncalibrated self-adaptive 3D reconstruction algorithm. For different or varible scene, the intrinsic and extrinsic parameters of camera may be required to modify, for example, change focus length for different depths, change aperture size for different light intensity, change the skew angle between optics axises of camera and projector for ideal viewfield, etc.

对于不同的或变化的场景，摄像机的内部参数与外部参数可能需要调整，如对于不同的光强需要调整光圈的大小，对于不同的景深需要调整焦距的长短，甚至需要调整摄像机的光轴与编码投影系统的光轴之间的倾角，以使采样范围正好落在被照明的范围内。

Its parameters are adjusted by the new control theory Immunity Control on-line. After theory analyzing and imitating by Matlab, the controlled systems can effectively cope with disturbance and model uncertainty.

理论分析和仿真结果表明，这种控制方法不仅可以消除时滞给系统带来的不良影响，且对于系统参数和时滞参数的变化有很强的适应性，能够有效的抑制干扰，使系统具有良好的动静态特性。

Depending on the relation between winding deformation and leak inductance ,it is pointed that the exact and real-time calculation of leak inductance is the key factor of winding deformation monitoring,especially of the technique development from off-li.

结合变压器绕组变形与漏电感参数的变化关系，指出变压器绕组漏电感参数的准确实时计算将成为绕组变形监测，尤其是从离线到在线监测技术发展的关键问题。

A series of experiments were conducted to measure the variation of alignment during wheel jouncing; meanwhile, the influence of ...

通过试验综合考察了车轮跳动过程中车轮定位参数的变化，以及转向梯形断开点的垂直位置对车轮定位参数的影响。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。