海冰-结构的动力相互作用、冰激振动及冰载荷的识别问题，仍是目前工程海冰界的核心和热点问题。
Dynamic interactions of sea ice with offshore structures, ice-induced vibrations and ice loads identification, are still the hot and key problems in ice engineering.
载荷识别与系统参数辨识、动力特性修改等都属于振动的反问题。
Loading identification, like the system parameter identification and dynamic characteristics modification, is an inverse problem of structural vibration.
本文研究的是工程振动问题中的动态载荷的反分析问题，即动态载荷识别问题。
The back problems of dynamic loads in the vibration of engineering are studied in this dissertation of Doctor's Degree, which are the problems of dynamic loads identification.
本文给出一个随机振动载荷的识别方法和系统物理参数的识别算法。
Suggested in this paper is method for random vibration load identification, together with the algorithm used for physical parameter identification.
本文给出一个随机振动载荷的识别方法和系统物理参数的识别算法。
Suggested in this paper is method for random vibration load identification, together with the algorithm used for physical parameter identification.
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