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基于CATS软件的GPS时间序列分析 被引量:9

Analysis of GPS Time Series Based on CATS
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摘要 利用时间序列分析软件CATS对研究地区的GPS观测资料进行噪声分析,使用了时间域上的最大似然估计法以及频谱域上的频谱分析法。结果表明,对于研究地区的GPS资料,白噪声+闪烁噪声为较好的噪声模型,可提高该地区地壳变形速度估计的精度。 Based on CATS of the time series analysis software, using the maximum likelihood of time domain analysis method and power spectrum domain estimation, this article analyzed the noise of the GPS observation data. The results indicate that the white noise and flicker noise is the better noise model for GPS data, which will improve the precision of crustal deformation velocity estimation, better matching with the actual situation.
作者 叶锦强
出处 《地理空间信息》 2015年第6期121-123,126,共4页 Geospatial Information
关键词 GPS时间序列 CATS 噪声分析 地壳变形 速度估计 GPS time series CATS noise analysis crustal deformation velocity estimation
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参考文献10

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二级参考文献14

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