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- 2018
GPS时间序列中同震和震后形变的自动识别和估计
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Abstract:
地震发生时，附近GPS观测站会捕捉到同震和震后形变，同震和震后形变对地学研究和维持动态参考框架具有重要作用，识别和估计同震和震后形变也是GPS时间序列处理的重要内容。提出综合检校法识别和估计GPS时间序列中的同震和震后形变，首先利用该方法对GPS站建模，综合考虑多源的同震阶跃及兼容性和均方根RMS减小率来判断测站是否受到地震影响，然后用试错法搜索最优衰减常数τ后，利用最小二乘估计包含同震和震后形变的所有参数，最后以真实震例验证了该方法的有效性
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