查询词典 forward difference quotient

A rational number is an integer or the quotient of two integers that is.

有理数是指整数或两个整数之间的商値。

The steps by the Rayleigh quotient method to obtain the optimal desampling FIR filter are also presented.

推导了信噪比增益与降采样滤波器权系数的关系，给出了采用 Rayleigh 商方法求解给出准则下最优FIR滤波器的方法和步骤。

The finite element model of the stochastic truss is built and the random functions of its natural frequencies are obtained by use of the Rayleigh quotient.

文[2-4]对具有随机参数的结构进行了动力特性分析，其基本作法均是以小参数来描述结构中的随机因素，利用有限元和矩阵摄动方法求解。

Due to no channel estimation required for rayleigh fading channel, quotient coded QAM has lower receiver complexity.

商分编码QAM由于无需信道估计和均衡，因此降低了在瑞利衰落信道解调的复杂性。

The relation of the SNR and the coefficients of the filter adopted is deduced. The steps by the Rayleigh quotient method to obtain the optimal desampling FIR filter are also presented.

推导了信噪比增益与降采样滤波器权系数的关系，给出了采用Rayleigh商方法求解给出准则下最优FIR滤波器的方法和步骤。

The use of the rational approximation and the Rayleigh quotient leads to that the quality of power-series expansion is significantly improved and the range of approximation is extended with a few of additional operation counts.

在只增加少许计算量的情况下，利用向量值函数的有理逼近方法以及 Rayleigh 商来改善摄动解的逼近质量并扩大其逼近范围。

Based on the theory of analogy of structural mechanics and optimal control, the optimal induced norm γ-2 of state feedback H∞ control is shown to be the fundamental Rayleigh quotient eigen value in structural vibration or Euler stability problems.

文摘：根据结构力学与最优控制的模拟理论，指出状态反馈H∞控制黎卡提方程中的最优参数γ－2，实质上就是结构振动或稳定理论中的瑞利商最小本征值。

Combining Rayleigh quotient of the stiffness matrix, the paper defined the index K used to estimate the mechanism stiffness, and plotted spatial graph of the stiffness performance.

结合刚度矩阵的瑞利商定义了刚度判定指标K，绘制出刚度性能空间图，进一步研究了操作端方向的刚度特性。

According to the analogy between structural mechanics and optimal control, the critical parameter γ-2cr corresponds to the fundamental eigenvalue of a generalized Rayleigh quotient.

按照结构力学与最优控制的模拟关系，Riccati方程解存在的临界参数γ-2cr对应于广义Rayleigh商的一阶本征值。

For the raft, an isoparametric element method and VoigtKelvin model are adopted, which can be used to derive viscoelastic element stiffness matrices, a reform of successive approximation of Rayleigh Quotient is used to solve the eigenvalue problem of the composite structure.

对于筏架结构，采用Voiget-Kelvin模型及等参元法，推导了约束阻尼层单元的刚度阵及将Rayleigh商的迭代步骤加以改进的方法来进行特征分析；对于艇体结构与声学介质耦合部分，采用艇体结构的"干"模态作坐标变换。

Mr. Putin said there were signs of genocide against the Ossetian people.

普京说，有迹象表明对南奥塞梯人进行了种族清洗。

What I'm trying to say, Tristan is...

特瑞斯坦。我想说的是。