查询词典 quadratic

The terminal sliding mode controller is designed by using unit vector style; the switching function of the terminal sliding mode is designed by the quadratic optimal control theory.

采用单位向量控制形式的最终滑动模态控制器，并采用二次型最优控制理论设计最终滑动模态的切换函数。

Constructing a unitary matrix for transformation of coordinates by means of quadratic form theory,the Hamiltonian of the 3D coordinate-momentum coupling harmonic oscillator is transformed into diagonalmatrix,it not only offer a general mathematic method for solving this kind of problems,but also have an active effect upon upgrading students ability to solve physics problems by mathematical theory.

利用二次型理论构造一个幺正矩阵进行表象变换，将|x〉表象中的三模坐标-动量耦合量子谐振子体系的哈密顿量对角化，这不仅提供了一种解决该类问题的一般数学方法，同时对培养和提升学生运用数学工具解决复杂物理问题的能力也具有积极的指导作用。

Based on the proposed ORPF models, the quadratic optimal models of minimizing the total load curtailment are established to identify power flow unsolvability for AC and AC-DC power systems, and can be further used to identify system voltage instability with the modal analysis method.

算例表明：当离散内点法不存在收敛问题时，启发式混合离散内点法能快速地获取优化解，反之，则要使用启发式混合随机优化算法来保证解的质量，但需要牺牲部分计算速度。

By learning this course, students should proficiently use algebraic methods to solve geometric problems and practical problems, and proficiently grasp the basic ideas and methods of vector algebra and geometric properties of spatial line, plane and quadratic surface.

通过本课程的学习使学生熟练掌握运用代数方法解决几何问题并应用于实际问题之中，并熟练掌握向量代数的基本思想和方法，同时使学生熟练掌握空间的直线、平面和二次曲面及其各种几何性质。

The basic idea of the technique is to formulate the problem into semi-infinite quadratic optimization model with the minimization of the weight vector norm subject to a set of linear functional inequality constraints,wnich ensures unit gain for look direction and the desired sidelobe levels over the corresponding angula...

该约束条件保证瞄准方向为单位增益，并且在给定范围内旁瓣电平满足要求。该方法具有广泛的应用和实际意义。文中给出了设计例子以证明该方法的可行性和实用性。

In this paper the linear-quadratic optimal control theory is applied to the systhesis of yaw steering.

本文探讨应用最优控制理论设计横向导引规律的一种方法。

Based on the extended Huygens-Fresnel principle and the quadratic approximation of phase structure function, we have derived the analyticl expression of the spatial degree of coherence for partially coherent flattened beams propagating through the slant turbulent atmosphere with the help of tensor integral, then analyzed the effects of different zenith angle, propagation distance, coherence of source and outer scale of turbulence on the spatial degree of coherence on the receiver.

基于广义惠更斯-菲涅耳原理和相位结构函数的平方近似，运用张量积分的方法导出了部分相干平顶光束通过斜程湍流大气传输后接收面光束空间相干度的解析表达式，分析了不同天顶角、传输距离、光源相干性以及湍流外尺度对接收面光束空间相干度的影响。

Quadratic regression orthogonal rotational combing design was used to determine the optimal enzymatic hydrolysis process. Anthrone colorimetry's method was used to measure the carbohydrates content, pH-stat method to measure the degree of hydrolysis and Kjeldahl's method to measure the recovery of protein.

采用二次回归正交旋转组合设计优化直接酶解米糠制备短肽的工艺条件，其中总糖含量测定采用蒽酮比色法，水解度(degree of hydrolysis， DH)采用pH-stat法，蛋白质回收率采用凯氏定氮法。

Therough the test of three-factor quadratic regression orthogonality,we study uqantitatively the relationship between the antiscale rate and the adding amount of LA,the calcium content of the solution and the PH value.We come to the regression equation,which fairly fits the result of the experiment and can be used as the study of the antiscale property and the usable condition of LA.

根据三因子二次回归正交设计实验，定量研究了阻垢率与溶液中阻垢剂LA用量、Ca2+含量和pH值之间的关系，得到的回归方程能较好拟合实验测定结果，可用于合成产物LA阻垢性能和确定其适用条件的研究。

The plots of ln K′ of peptide 1 versus φ are well fitted with quadratic equations when isocratically eluted by aquo _ acetonitrile mobile phases.

当以乙腈为流动相测定肽1的lnK′随φ变化关系时，所得结果显示lnK′与φ呈现良好的二次曲线关系。

Article 144 The Government of the Hong Kong Special Administrative Region shall maintain the policy previously practised in Hong Kong in respect of subventions for non-governmental organizations in fields such as education, medicine and health, culture, art, recreation, sports, social welfare and social

第一百四十四条香港特别行政区政府保持原在香港实行的对教育、医疗卫生、文化、艺术、康乐、体育、社会福利、社会工作等方面的民间团体机构的资助政策。原在香港各资助机构任职的人员均可根据原有制度继续受聘。

Small wonder, then, that the Chinese spend more in the shop than any other group of foreign visitors do .

这样的小惊喜，使中国顾客比任何国家的人消费得更多。