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Noise of Dam GPS Signal Based on Wavelet Analysis
Author(s): 
Pages: 51-55
Year: Issue:  4
Journal: HYDROPOWER AUTOMATION AND DAM MONITORING

Keyword:  全球定位系统信号噪声小波分析大坝;
Abstract: 坝区观测条件复杂,观测的全球定位系统(GPS)信号含有多种噪声.提取某坝区GPS控制网观测数据中的原始载波信号,利用小波分析在多尺度、多分辨率、可伸缩、可平移等方面的优势,对GPS原始载波信号、单差观测值、双差观测值进行小波分解,研究高频信号的特点.利用小波分析工具实施GPS观测数据的小波分解和重组,研究GPS信号噪声的特性,对GPS网数据处理具有较好的指导和实用意义.
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