查询词典 finite function

For 2p〓-periodic binary sequences, a new weight function, according to the above presented vector expression of the linear complexity, is defined. By analyzing the weight of the product of a special kind polynomial in finite field, the upper and lower bounds on minimum error, expressed by the here denned weight of the linear complexity, are given in different cases.

对于2p〓-周期二元序列，利用所给出的线性复杂度的向量表示定义了一种新的重量函数，通过研究有限域上一类特殊多项式乘积的重量，分情况给出了用线性复杂度的重量表示的最小错误minerror的上界和下界，这里的重量是由我们所定义的重量函数确定的。

The system, using a modular approach, has a friendly function of pre-processing and post-processing, can be easily extended and explanted, and can also be popularized to finite element simulation and analysis of other complex massive forming process.

该系统具有较完善的前后置处理功能，采用模块化的程序结构设计，易于扩充，能够向其它复杂体积成形过程的模拟分析推广。

The finite element analysis of static electric field and the orthogonal design method are combined and used to optimize ECT sensor with an overall score of the reconstructed image fidelities of typical flow patterns as the optimum object function. The overall quality of the images reconstructed is improved effectively by this optimum method.

提出一种以典型流型重建图象质量综合评分最优为目标，有限元分析与正交设计相结合的ECT传感器优化设计方法，有效地改善了重建图象的总体质量。

In the paper,the inherent frequencies and vibration modes of the telescopic booms of TR1000 rock drilling jumbos are calculated by means of the modal analysis function of the finite element analysis program of ANSYS9.0 and comparison is made between the FEM calculation results and the modal testing analysis results.

利用有限元分析软件ANSYS9.0的模态分析功能，计算了TR1000型凿岩机伸缩臂部分的固有频率和振型，并将有限元计算结果与试验模态分析结果进行了对比。

The composition, function and characteristic of uncapping system are described, and the critical parts of the system are analyzed and calculated by using finite element method. The related action process of the spread of ring-like pressure mine girder and the motion of sail mine is analyzed with simulation interference. Theoretical calculation and simulation interference analysis show that the system can solve four actual problems and meet operational requirement.

介绍了环形压雷梁开盖系统的组成、功能和特征，深入分析了系统作用载荷，着重对系统的特征关键件进行了有限元分析与计算，并对环形压雷梁展开与航行雷运动的关联动作过程进行了详细的仿真干涉分析，理论分析及仿真结果表明，采用本技术能够解决4个方面的实际问题，满足使用要求。

Used the finite element method computation pipe network resistance thus obtains the ballast water system the line pressure distributed situation. The paper also has carried on the computation to the ballast tank hydraulic loss and has provided the theory basis to the ballast pump optimized design. The overpressure to the ballast tank has been carried on the discussion. The paper also gets the function between the rated flow and the rated pressure of the pump on ships whose BW pipe net is uniform and line is different, which provides a new method for the selection of BW pump.

文章重点讨论了船舶压载水系统的水力计算，使用有限元法计算管网阻力从而得到压载水系统的管路压力分布情况；文章还对压载舱的水力损失进行计算，对压载水泵的优化设计提供了理论依据；文章还对压载水舱过压问题进行讨论；文章对压载水系统相同而航线不同的船舶，利用最小二乘法得到其压载水泵额定流量和额定压头之间的函数关系，为压载水泵的设计和选型提供了新的方法。

The feasibility analysis on the packer's function of sealing,anchoring and supporting has been launched,and the contact finite element analysis of the middle rubber with four different lengths has been finished,appropriate length of the middle rubber has been got,and a foundation has been laid for analysis of rubber combination.

开展了水平井酸化封隔器实现密封、支撑、锚定功能的可行性分析，完成了四种长度的中胶筒接触有限元分析，得到了合适的中胶筒长度，为组合胶筒地分析奠定了基础。

In this paper an algorithm of finite element modelling is discussed for elastic wave propagating in two dimensional media. Two analytical formulas of the initial motion and wave form of P wave are derived in time domain for a point force source directing vertically down as a function of time with a bell shape.

本文讨论了二维介质中弹性波有限元模拟的一种方法；导出了二维无界空间中集中力点源的理论初动表达式和位移波形表达式，并和相似情况下的有限元结果进行了比较；对用有限元方法算得的几个中小模型的节点位移进行了分析。

By using thermal-stress coupling function of the large finite element method software ABAQUS, a numerical simulation of temperature field and stress field of flange plate in working was made.

为分析此密封结构的可靠性，利用有限元分析软件ABAQUS的热–力耦合功能，对工作过程中法兰盖板的温度场和应力场进行了数值模拟。

Beginning from the original geometric sizes and the material properties of electromagnetic design of SRM, ANSYS , a finite element method business software, is employed to determine the flux linkage functionψ.

从开关磁阻电机电磁设计的基本尺寸和材料性能出发，应用ANSYS有限元商用软件计算出开关磁阻电机的磁链函数ψ。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。