查询词典 parameters

It is well known that rotor parameters of induction motor are subjected to variability and hard to be measured, which will deteriorate performance of control systems based on the mathematical model depending upon rotor parameters, such as rotor flux oriented vector control system, indirect self-regulation.

由于工作原理和材料结构上的原因，异步电机的转子侧参数易变难测，因此所有建立在异步电机动态数学模型基础之上并且利用转子侧参数进行控制的调速系统都或多或少地受到转子参数变化的影响，例如广泛采用的按转子磁链定向的矢量控制系统。

Based on the pin hole model and assume the intrinsic parameters of the camera were known ,a method for calculating the extrinsic parameters was introduced .the norm vector for any plane was determinate by two images that take from different view point.

从摄像机的针孔模型出发，介绍了在摄像机内参数已知的情况下，采用单平面模板求摄像机外参数的方法。

The preprocessing and standardization of logging data;②lithologic interpretation and calculation of the parameters of petro-physical property;③the recognition of fracture and vug and calculation of whose parameters;④the research on the judge of the gas pay based on the logging data;⑤the determination of the abnormal pore pressure;⑥optimized programming to finish processing and interpreting the data of thirty wells in the northeast of Sichuan based on the Forward log interpretation platform.

本文以气层识别和异常压力计算为研究主线，综合利用川东北地区录井、钻井、取心和测试等资料，采用多种新方法新技术，重点开展了六个方面的研究工作：①测井资料的预处理及标准化研究；②岩性解释及物性参数计算；③缝洞识别及其参数计算；④基于录井、测井资料的气层判释研究；⑤异常地层孔隙压力确定；⑥基于Forward测井解释平台，优化编程，完成川东北地区30多口井测井数据处理与解释工作。

This paper firstly put forward maintainability qualitative parameters being the same with civil airplane based on traversing maintainability qualitative parameters of warplane.

本文在详细研究军用飞机维修性定性指标体系的基础上，提出了适用于民用飞机的维修性定性指标体系。

In addition, some methods to solve model parameters were given and some corresponding programs were developed to deal with the test data. And the model parameters of an engineering example were fitted and the values were obtained through weighted mean ones.

给出了模型参数的求解方法，编制了相应的数据处理程序，并结合工程实例，对蠕变模型参数进行了拟合和加权平均取值。

Starting from the view point of practical application, based on large amount of pressure well logging data home and abroad, the author demonstrated how to distinguish over-pressure formations using wellsite data, through selected methods such as drilling parameters, rock fragment analysis, drilling fluid parameters, and electric well-logging .

本文从现场实用性的角度出发，综合国内外大量压力录井资料，其中，选取了部分常用的压力评价方法，如钻井参数、岩屑分析、钻井液参数、电测井等，对如何利用现场资料来判断超压层进行阐述。

The modified algorithm estimates the AR model parameters according to the reverberation noise data of the previous blodk, uses the whitener constructed by estimated parameters to filter the reverberation noise data of the current block, and executes the univariate GLRT judgement to the filtered data.

改进算法根据前一段的混响噪声数据估计AR模型参数，利用估计参数构成的白化器对当前段混响噪声数据进行滤波，并对滤波后数据进行单变量的GLRT检测。

The modified algorithm estimates the AR model parameters according to the reverberation noise data of the previous blodk,uses the whitener constructed by estimated parameters to filter the reverberation noise data of the current block,and executes the univariate GLRT judgement to the filter...

改进算法根据前一段的混响噪声数据估计AR模型参数，利用估计参数构成的白化器对当前段混响噪声数据进行滤波，并对滤波后数据进行单变量的GLRT检测。与双变量的GLRT算法相比，改进算法有效降低了运算量。最后通过蒙特卡罗仿真给出了改进算法的检测性能分析。

And 2% respectively. The molecular parameters in TW equation (2. 36) are only related to the acentric factor. These correlations are obtained with regression of the optimized molecular parameters.

塔阱状态方程（2.36）式的分子参数仅与偏心因子有关，本论文对27种包括了各种类型流体的优化分子参数值进行了回归，得到了分子参数与偏心因子的关联式。

Its inputs are error e and error change ec and adust its PED parameters kp , kt, kd online with fuzzy induce method based on the normal PIDcontroller. It can fulfill the command of different e and ec for PID parameters, which gives the controlled object a better static and dynamic performance.

它是在常规PID控制器的基础上，以误差e和误差变化率c作为输入，采用模糊推理方法对PID参数K_p、K_i、K_d进行在线自整定，以满足不同e和c对控制器参数要求，而使被控对象具有良好的动、静态性能。

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。