查询词典 piecewise linearization

The basic idea of the method is: take a diffeomorphism mapping and coordinate transformation to the nonlinear model, to get exact linearization model of the power system, with the state feedback. At last, optimal control method is adopted to design the chaos controller of the power system.

该方法基本路线为：对系统非线性模型通过微分同胚进行坐标变换，再采用状态反馈，完成对电力系统非线性模型的精确线性化处理，之后，采用最优控制方法，设计控制器。

After defining the normal forms and quasi—linearization forms, the simplified forms of uncertain nonlinear systems abtained by means of state feedback/disturbance feedforward/diffeomorphism are derived.

通过定义不确定非线性系统的规范型和准线性化形式，推出了不确定非线性系统经状态反馈/干扰前馈/微分同胚变换后所具有的简化形式。

The feedback linearization problem of nonlinear systems is studied by the aids of differential geometry theory.

非线性系统理论和不确定系统的鲁棒控制是控制理论中具有挑战性的研究领域。

Superoxide dismutase (EC 1.15.1.1;SOD) is a metal-containing enzyme that widely exist in organisms. It catalyzes the dismutation of superoxide free radical and produces hydrogen peroxide and oxygen.It plays an important role in protecting the plasmalemma from the reactive oxygen species.A recombinant plasmid pPICZA-sodM18 was constructed and after its linearization was transferred into chromosome of Pichia pastoris GS115 by electroporation.

超氧化物歧化酶(Superoxide dismutase；EC 1.15.1.1；SOD)是广泛存在于生物体内的金属酶，是机体内唯一以超氧阴离子自由基(O_2~-)为底物的酶，它能专一地催化O_2~-的歧化反应，生成过氧化氢和氧气，能有效的抵御氧自由基和其他氧化物自由基对细胞质膜的毒性，对机体防御氧化损伤起着十分重要的作用。

Two kinds of linearization method for magnetic force of permanent electromagnetic bearing have been advanced.

对永磁电磁轴承的磁力提出了两种线性化方法。

Based on the statistical analysis, a new equivalent linearization method to estimate input energy spectrum is proposed.

根据能量谱分析结果的统计计算，建议了一种新的适用于弹塑性SDOF系统能量谱计算的等效线性化方法。

An adaptive control scheme based on linearization error model, is proposed.

本文提出了一种基于线性化误差模型的自适应控制系统。

The "0,1" linearization was conducted on the predictors and predictands,and the initial selection was based on the PRESS(Prediction Residual Error Sum of Squares) criterion.

预报系统投入业务应用，检验证明预报效果较好，提供了有效的地市级客观预报指导产品。

Combined the extended structure and the simple memory predistorter model can realize the linearization of the amplifier with memory.

仿真结果表明，利用所提出的预失真方案能快速实现记忆放大器的预失真，而且显著提高了线性化性能。

The element equations are derived in a fixed current element coordinates which are coincident with the current moving element coordinates. The perturbed moving element coordinates and the variation of the element nodal rotation parameters corresponding to the perturbation of element nodal displacements and rotations referred to the current fixed element coordinates is consistently determined using the first order linearization of the way used to determine the current element coordinates and element nodal rotation parameters corresponding to the incremental element nodal displacements and rotations referred to the global coordinates.

本研究在梁元素当前的变形位置上，利用元素节点的座标及断面方位建立一个移动元素座标并决定元素节点的旋转参数，对应於元素节点旋转参数扰动量的广义节点力为一广义力矩，为推导传统力和力矩与该广义力矩的关系，本研究在一个与当前的移动元素座标重合的固定元素座标上，推导出元素节点在当前固定元素座标的扰动位移和扰动旋转与元素节点旋转参数的扰动量的关系。

Molecular Distillation is a kind of high vacuum distillation method, which is suitable for the separation of high boiling, heat sensitivity and viscidity products.

分子蒸馏技术是一种在高真空条件下进行的连续蒸馏过程，适合于分离高沸点、热敏性及具有生物活性的混合物。

They are to the Noughties what yuppies were to the Eighties .

那在六十年代是时髦的，但在八十年代肯定是过时了