基于小波分析的GPS基线向量精化技术  

Technology of GPS Baseline Vector Refining Based on Wavelet Analysis

作　　者：陈向阳[1] 

机构地区：[1]南通职业大学建筑工程学院,江苏南通226007

出　　处：《南通职业大学学报》2011年第1期84-87,共4页Journal of Nantong Vocational University

摘　　要：基线解算是GPS数据处理中的重要环节。文章针对GPS双差观测序列中难以消除的非模型化误差,应用小波变换进行去噪,以提高GPS双差观测值的信噪比和精度;并提出了基线精化技术,有效解决了基线解算的关键问题,即模糊度解的快速固定和有效性,提高了基线解算的可靠性和平差结果的精度。Baseline processing（BP） is an important part in GPS data analysis.This article,by analyzing the irremovable non-modeled errors in GPS double-differenced observation series,applying wavelet transformation to reduce noise so as to improve the ratio and accuracy of signal noise in GPS double-differenced observation.It also proposes the baseline refining technology,which has effectively solved the crucial problems,and strengthened the reliability of baseline processing and the accuracy of adjustment results.

关 键 词：GPS双差观测 小波变换 小波消噪 基线解算 

分 类 号：P228.4[天文地球—大地测量学与测量工程]