%0 Journal Article
%T INFLUENCE OF SAMPLE DATA PREPROCESSING ON BP NEURAL NETWORK-BASED GPS ELEVATION FITTING<br>样本数据预处理对基于BP神经网络的GPS高程拟合的影响
%A Zhang Hao
%A Wang Qijie
%A Zhu Jianjun
%A Zhang Xiaohong
%A <br>张昊
%A 王琪洁
%A 朱建军
%A 张晓红
%J 大地测量与地球动力学
%D 2011
%I 
%X The necessity of sample data preprocessing for BP neutral network-based GPS elevation fitting is analyzed,and three preprocessing methods are given,which are normalization,centralization and standardization.In order to obtain an optimal model,a data preprocessing layer is added in the network topology and then the three different methods are applied in training the neutral networks.Through the comparative analysis of the results derived with different preprocessing methods and with quadratic surface model,i...
%K GPS
%K elevation fitting
%K BP neural network
%K data preprocessing
%K precision analysis<br>GPS
%K 高程拟合
%K BP神经网络
%K 数据预处理
%K 精度分析
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=E62459D214FD64A3C8082E4ED1ABABED5711027BBBDDD35B&cid=DA72A78627FE64EAA572951EA05D274A&jid=73A1A428591E600EF664B596512A2997&aid=CC72736EB7A1833513745E014ECEF7E2&yid=9377ED8094509821&vid=4AD960B5AD2D111A&iid=0B39A22176CE99FB&sid=F122871CC7EC92DC&eid=1F199509C0B6C4D6&journal_id=1671-5942&journal_name=大地测量与地球动力学&referenced_num=0&reference_num=12