variation of parameter

This paper focuses on the optimization design of curved stem cranking bar mechanism used single variation parameter ( auxiliary angle) based on the optimum drive angle and maximum itinerary velocity variation coefficient. The method is practical, feasible and can help improve the quality of mechanism design.

利用单变参数（辅助角）按最佳传动角及最大行程速度变化系数对曲柄摇杆机构进行优化设计，提高了机构设计质量，方法实用可行。

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Electromagnetic wave reflection coefficients are calculated out by separate selection variable of gap dimension, clearance, cell period and medium electricity parameter ε? μ, variation specialties are discussed, and the conclusions of frequency selection property indistinctively, wave reflection weak and frequency range extension etc are got.

通过开口尺寸、间隙、单元周期及介质电参数ε、μ的变化，计算了电磁波的反射，讨论了变化的特性，得出这种结构具有弱的频率选择性、波反射减弱和频带展宽等结论。

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Consequently, sensitivity factor could be directly used to qualitatively analyze and quantitatively analyze the influence of the variation of parameter on coal consumption rate. It provides a new tool for thermo-economics analysis, energy saving and energy efficiency of power unit.

因此敏感度系数可直接用于定性和定量的分析这些参数改变对机组煤耗率的影响，为火电机组的热经济性分析和节能降耗提供了一种新的思路和方法。

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Parameter variation during fermentation and storage of egg-containing yoghourt

凝固型发酵蛋奶发酵和保藏过程中的参数变化

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Parameters of the dynamic statistical model are the time-varying parameters, variation of parameter reflects the variable trend of seepage.

动态模型的统计参数是随时间变化的时变参数，参数的变化反映了大坝的渗流变化趋势。

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Some kinds of genesis patterns of the seam thickness variation caused by bedding slip structure are analyzed and the forming reason of the coal parameter variation are expounded.

分析了层滑构造引起煤厚变化的几种成因方式，解释了煤质变化的形成原因。

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It regards the variation of parameter of fault structure as a perturbation on the perfect structure. Crack fault of the double decker space frame is probability diagnosed as an example.

将故障结构的参数变化看作是对完好结构参数的摄动，以圆截面双层空间刚架的裂纹故障为例对其进行了概率诊断。

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For the problem of parameter variation and nonlinear dynamic friction compensation, a recurrent-neural-network ( RNN)-based adaptive-backstepping control ( RNABC) for servo system was proposed.

针对伺服系统的系统参数摄动和非线性动态摩擦补偿问题，提出基于递归神经网络（RNN）的自适应反步控制（RNABC）系统设计方法。

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In this example, a finite sum of harmonics for approximation of a ramp function is demonstrated graphically for the parameter variation of number of total harmonics.

本例图示以有限谐波级数和近似斜坡函数随总谐波数量之变化。

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The variation features of energy logarithm migration parameter V value before m ≥ 7 earthquakes in China

中国大陆7级以上地震前能量对数迁移参量V值变化特征

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Skewing parameter was introduced to describe Raman spectroscopy distortion of water molecule stretching variation.

采用了频移参数描述水分子拉曼峰的形变强度,并讨论了频移参数与盐度之间的关系.

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