文中描述了一种保凸参数拟合方法。
This paper given describes a convex persevering fitting method.
仪器为对中小型结构的试验模态分析提供了单模态参数识别与多模态参数识别等多种参数拟合方法，并预留了增加新的拟合分析算法的接口。
The systemoffers different methods of parameter identifications for structures test including simple mode and multiple modes, and retains the interface of adding new smooth algorithms.
最后分析拟合结果，讨论了这些参数对电池效率的影响，提出提高效率的方法。
Also discussed are the fitting results, the effect of these parameters on cells efficiency and the ways for improving efficiency.
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