查询词典 parameter

It is not perfect to select the parameter system whose key parameter is unconfined compressive strength.

选择以单轴抗压强度为核心的参数系统作为刀具设计依据是不完善的。

A kind of uncoupled ,variation parameter and chaotic synchronization method is suggested for anti-attack of phase space reconstruction and parameter estimation.

为有效抵御相空间重构和参数估计方法的攻击，提出了一种变参数，非耦合的混沌同步方法。

The parameter adjust algorithm is also deduced. The canceling methods are discussed when the unideal factor of the device is known or unknown. The result proves that when the unideal factor of devices is unknown, the parameter solved by the iteration is convergent to that when the unideal factor is known.

本文推导了参数调节算法，并讨论了器件不理想因子已知与未知两种情况下的消除方法，证明了在器件不理想因子未知情况下采用迭代方法确定的参数最终收敛于不理想因子已知情况下的参数。

To obtain a complete picture about shock formation in non-viscous flow, in the succeeding chapter we investigate the isothermal shocks in adiabatic flows. We find that in this case the shock solution still exists, but the structure and the properties of the solution are greatly different from above even qualitatively. In some region of the parameter space there only exists unstable shock solution and in some region of the parameter space there may exist two stable shock solutions.

为得到完整的无粘流体中激波形成的图象，在接下来的第四章，我们研究绝热流体中等温作为激波条件时的情况，发现此时激波解仍存在，但解的结构和性质甚至在定性上都与前两章有了显著的不同：某些参数空间只存在非稳定的激波解，某些参数空间则会同时出现两个稳定的激波解。

In CRS gather method, we derived the quantitative relationship between optimal three parameter and migration velocity field, and then put forward ray-tracing method to get migration velocity field using optimal three parameter in CRS stack. The applications proved its effectiveness and adaptability.

在CRS道集偏移速度建模中，推导了优化三参数与偏移速度场之间的定量关系，提出了利用CRS叠加中的优化三参数求取偏移速度场的射线追踪法，模型试算表明了方法的有效性和适应性。

The results show that the squeeze viscous force decreases with the slip parameter increases, rigid region of the fluid increases with the slip parameter increases.

结果表明，圆盘上的挤压力随着滑移参数的增加而减小，当流体全部处于流动状态时，即为圆盘挤压牛顿流体时的情况；当流体全部处于刚性状态时，即为圆盘挤压理想刚塑性介质时的情况。

The petrophysical properties reflect reservoir heterogeneity by integration of well testing with reservoir performance are acquired by means of geostatistics , multi-parameter cluster analysis , neural network technique , a set of method of quantitative division and estimation to reservoir quality unit in carbonate pools of fracture and vug type is explored , the estimated parameter for different unit is acquired. which lead to better the understanding of reservoir behavior and heterogeneity.

以地质统计学技术、神经网络技术和多参数聚类分析技术为手段，利用试井资料及其它开发动态资料，动静态资料相结合，研究和求取了反映岩溶储层非质性的物性参数；研究和探索了一套缝洞型碳酸盐岩储层开发储集质量单元的定量划分和评价方法，建立了不同单元的储层质量评价参数，深化了对缝洞型碳酸盐岩储层非均质性的认识。

To meeting pumping unit can reach for different working environment demand, and to design various different models that ask to be able to at the same time accomplish convenient shortcut pumping unit meet the demand of now, select " the parameter of the walking beam pumping unit ", carry out parameter for pumping unit for research subject, design has greater meaning .

所以为了使抽油机在不同工作环境下能够达到良好的运行要求，并能方便快捷地设计各种不同型号的抽油机以适应目前的需求，选择"游梁式抽油机的参数化设计"为研究课题对抽油机进行柔性设计具有较大的实际意义，本文介绍了以三维参数化设计平台对抽油机进行参数化设计的方法。

For woodiness material,different properties need different geometric parameter of cutting tools.Processing velocity,working quality and service life will be improved greatly if material properties is correspondent with parameter of cutting tool.

对于不同的木质材料，如果能使用与之相适应的不同参数的刀具则会大大提高木质材料加工速度、加工质量及刀具的使用寿命。

And an on-line adaptative training algorithm of the weights of neuron is given, which enhances fusion precision of the model, fault tolerance and adaptive ability for subsystems 4 In order to diagnose the soft fault of integrated system, a new fault detection method is proposed based on federated filter, which can detect fault of system in short interval and greatly enhance the method sensitivity to fault A fault diagnosis method of Dynamically Tuned Gyro baesd on parameter estimation of kinetics model of rotor, and signal pretreatment, parameter estimation and strategy of fault identification are studied in detail The method can locate fault of DTG correctly and effectively, which provides a new approach and idea for gyro fault diagonsis 5 In order to diagnose the hard fault of integrated system, fault tree analysis is studied on fault disgnosis of integrated system circuits, and the hardware and software of disgnosis system are developed, with faults located to main module and circuit For futhur diagnosis, an optimal measurement technology in detection of circuits is discussed by improving an algorithm based on information theory, and a pratical method based on half-split method is proposed.

针对组合系统的软故障诊断问题，提出了基于联合滤波模型的一种新的故障检测算法，给出了算法的理论推导过程，该算法能在较短的时间内检测出系统故障，提高了算法对故障的敏感度；研究了基于动调陀螺转子动力学模型参数辨识的故障诊断方法，就其中的信号预处理、参数辨识及故障决策方法等关键技术进行了详细的研究，该方法可以正确、有效地检测与定位动调陀螺故障，为陀螺故障诊断提供了新的途径和思路。 5。针对组合系统的硬故障诊断问题，研究了基于系统浅知识推理的故障树法在组合系统电路子系统故障诊断中的应用，开发了相关诊断系统的软硬件，故障可定位到系统的主要功能模块和电路板级。为了进一步的故障定位，研究了电路板故障的最优检测问题，完善了基于信息理论的优化算法，并提出了基于&对分法&的一种实用的优化算法，故障可定位到电路板的主要功能元件级。在组建的SINS/GPS组合系统实验平台上，针对上述研究内容，进行了大量的实验研究。

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。