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Using this method, the controller design for performance and robustness can be designed separately, which has the potential to overcome the conflict between performance and robustness in the traditional feedback framework. Third, to make the vehicle meet the performance index in full flight envelop, a H∞ gain-scheduled controller based on Linear Varying Parameter system are designed. A LPV plant with a linear fractional dependent variable can be represented by upper LFT (Linear Fractional Transformation) interconnection.

通过把非线性系统简化为了线性变参数系统，再有通过线性分式变换将LPV系统转化为一个线性定常系统和不确定性组成的LFT互联形式，使之转换成为一个经典鲁棒控制问题，然后通过求解一组线性矩阵不等式得到变增益H_∞控制器。

In this paper, we present an analysis of quotient image method from the view of image linear subspace, and point out its main deficien- cies: 1 inaccurate assumption of ideal class of object, 2 3-d subspace doesnt suffix to represent all images of an object under varying illuminations.

在本文中，我们从图像子空间的角度对商图像方法进行了分析，理论分析和实验表明，这种方法存在的主要缺点有：1不准确的理想类假设；2简单的三维点光源模型无法很好地近似任意光照情况。

In addition,3-d subspace in quotient image method doesn't suffice to represent all images of an object under varying illuminations.Therefore,an improved method based on image on 9-d linear subspace constructed using 9 images of object under the configuration is presented to overcome these deficiencies.And 9 images of another object under the configuration are generated.

此外，商图像方法中简单的三维点光源模型无法很好地近似任意光照情况，因此，提出一种基于九维线性子空间的改进的商图像方法，并利用改进后的商图像方法合成对象在统一配置光源方向下的9幅图像，克服了Lee所提方法的不足。

Control group and a treatment group and control group lipid treatmentgroup have varying degrees of change.

4对照组和治疗组的血脂对照组和治疗组治疗前后均有不同程度的改变。

Australia still allows the highest level of lead in petrol, with levels varying among states from 0.3 grams per litre to 0.84 grams per liter.

各州间允许汽油中含铅量不一样，在每立升0.3克至每立升0.84克的范围内变化，故澳大利亚仍然允许汽油中最高程度的含铅量。

System and the Big and Little Dipper systems will recognize the confirmed uptrend and start buying dips of varying magnitude within the strengthening uptrend.

从价格周期的底部开始，Phoenix系统是用于建立多头仓位的，而此时的趋势被大多数定义定义为下降趋势。

The theory basis is applied for understanding the inner load, displacement, and its varying regulation of the structure.

所述方法基本也适用于密肋楼盖，也为深入理解该类结构的内力、位移及其变化规律提供了一些理论依据。

They showed that given a carefully chosen chaotic logic element, different logical operations can be performed simply by varying the threshold value.

他们指出，给予一个仔细选择的混沌逻辑元，不同的逻辑操作（如"AND"，"OR"等等）通过改变域值可以简单地完成运算。

Lord of the Dance spawned many look-alike dance shows -- of varying quality.

舞王》启发了很多非常类似的舞蹈表演──品质也良莠不齐。

A dynamic model of the rotor system with slow-varying mass and pedestal looseness was set up.

建立了带有支承松动故障的质量慢变转子系统的动力学模型，利用数值积分和Poincare映射方法，对该转子系统由于支承松动故障而导致的动力学行为进行了数值仿真研究。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐