深圳市连续运行参考站坐标时间序列分析  

Coordinate Time Series Analysis on Reference Stations of Shenzhen CORS

作　　者：武曙光[1] 聂桂根[1] 邱蕾[2] 汪善华[2] 

机构地区：[1]武汉大学卫星导航定位技术研究中心,湖北武汉430079 [2]深圳市地籍测绘大队,广东深圳518034

出　　处：《测绘地理信息》2017年第3期117-120,共4页Journal of Geomatics

基　　金：国家自然科学基金资助项目(41231174;41074023)

摘　　要：以2010-2015年SZCORS参考站观测数据为基础,利用PANDA软件进行解算,获得各参考站单日解坐标时间序列;利用SPSS统计软件进行趋势分析和周期分析,拟合出参考站坐标时间序列函数模型。实验结果表明,拟合的时间序列函数模型优度较高。最后利用频谱分析方法对所求模型的残差序列进行噪声分析,得出的谱指数介于-1~0之间,确定出噪声项可能具有白噪声和闪烁噪声的混合特性。SZCORS （Shenzhen continuously operating refer enee stations）, as the most significant infrastructure provi- ding spatial data, plays an extremely vital role in the pro ceeding of Shenzhen＇s urbanization. Thus it is obviously im- portant to research and analyze the stability of the reference stations. Based on the data of SZCORS stations from 2010 to 2015, their single day solutions are calculated by PANDA software. After that, the statistical software SPSS is intro- duced to fit the time-series model of reference stations, which paves a way for the later analysis of tendency and peri odicity. Fitting results demonstrate a relatively high accura- cy. Finally, the method of power spectrum analysis is em ployed to analyze the noise of fitting residual errors. Owing to the spectrum exponents are between -- 1 to 0, it is reason- able to assume that the time series noises include both white noise and flicker noise.

关 键 词：SZCORS 时序分析 PANDA软件 模型拟合 噪声分析 

分 类 号：P228.41[天文地球—大地测量学与测量工程]