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研究了地震震源前兆系统的几个特点。震源和前兆是在应力应变场不同分量作用下发育成的。不均匀性和非线性因素对震源和前兆有强烈的影响。讨论了介质和应力应变场不均匀性对地震震源形成和地震前兆影响的差别。在不同的应力场中,前兆的非线性关系首先在应变灵敏性上显示出来。应变灵敏性的不完备导致了“错误预测”和“漏报”这类预测错误。由地震前兆形成的条件可以得出复杂的前兆分布以及前兆相对震中转移规律的结论。研究了前兆信号曲线组成的几个特点,这些特点可以使地震短期前兆的区分更有根据。
Several characteristics of earthquake precursor precursors system are studied. Sources and precursors develop under the influence of different components of the stress-strain field. Unevenness and nonlinear factors have a strong influence on the source and precursors. The difference between media and stress-strain field heterogeneity on the formation of earthquake epicenter and earthquake precursor is discussed. In different stress fields, the nonlinear precursors are first shown in terms of strain sensitivity. Incompleteness of strain sensitivity leads to misprediction such as “false prediction” and “omission”. The conditions resulting from the earthquake precursors can lead to the conclusion that complex precursor distributions and precursors relative to the epicenter transfer laws. The characteristics of the precursory signal curve are studied. These characteristics can make the distinction between short-term precursors of the earthquake more relevant.