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运用非线性系统加卸载响应比理论，研究了潮汐应变观测的响应比特征，解决了响应比理论应用中的两个基础问题：加、卸载荷的计算和潮汐前兆观测中加卸载响应比的计算模型选择潮汐应变观测中的一些潮汐和非潮汐的以及与孕震力学过程有关的信息为响应参量，在不同的加、卸载方式下对各种响应比的震兆变化及特征进行研究，研究结果表明，加卸载响应比只在非线性系统的输入与系统的失稳密切相关时，才显示出失稳的前兆特征，且主要表现为短临前兆。
Using the nonlinear system loading-unloading response ratio theory, the response ratio characteristics of tidal strain observations are studied and two fundamental problems in the application of response ratio theory are solved: the calculation of loading / unloading load and the calculation of loading / unloading response ratio in tidal precursory observation The model selects some tidal and non-tidal in the tidal strain observations and the information related to the seismotactic process as the response parameters, and studies the changes and characteristics of the earthquake response of various response ratios under different loading and unloading methods. The results It shows that the loading-unloading response shows the instability characteristics of instability only when the input of nonlinear system and the system’s instability are closely related, and it is mainly manifested as short-term precursors.