摘要
对CORS站连续观测过程中出现意外中断的情况进行了全面分析,并综合利用移动回归模型和奇异谱分析模型对连续间断时间跨度较长的测站坐标进行了插值建模与比较。实验表明,两种模型对连续间断点插值都有较好的建模效果,但当数据连续间断点缺失率较大时(>15%),奇异谱分析模型更加稳定。
This paper comprehensive analyzed the problem that the breakpoints would unexpectedly appeared in the process of the CORS station continuous observation at first. And then, the paper used the ARMA model and the SSA model to repair the breakpoints. The experiment results show that both of two models have a good interpolation effect. However, the SSA model is more stability when the numbers of data breakpoints are larger than 15%.
出处
《地理空间信息》
2017年第5期19-21,共3页
Geospatial Information
基金
国家自然科学基金资助项目(41374027)
