GPS高程数据时间序列分析
Analysis of GPS Time Series of Height Component
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摘要: 对GPS台站时间序列进行了研究,对我国IGS连续跟踪站高程分量的数据进行谱分析和小波分析,用最小二乘法将时间序列的白噪声与有色噪声分离,并利用AR模型建模。通过分析,获得拉萨、上海和武汉GPS连续跟踪站的有色噪声特征。Abstract: The GPS height time series are investigated by using the spectrum methods and wavelets methods.The maximum likelihood method is employed to separate the white noise and colored noise.The AR models for the GPS height time series are also achieved.Then the behaviors of colored noise in the time series are conduced.
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