| 基于小波分析的载波相位双差周跳检测 |
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| 引用本文： | 林雪原.基于小波分析的载波相位双差周跳检测[J].兵工自动化,2009,28(11):42-44,49. |
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| 作者姓名： | 林雪原 |
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| 作者单位： | 海军航空工程学院,电子信息工程系,山东,烟台,264001 |
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| 基金项目： | 国家自然科学基金，"泰山学者"建设工程专项经费资助 |
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| 摘 要： | 运用GPS载波相位双差测量法，可以非常精确地确定载体的姿态，而其中的关键因素之一是精确地测量双差周跳。为提高系统测量的可靠性与测量精度，在平差之前的数据预处理阶段诊断并找出周跳的位置，并给予修复，运用基于小波的载波相位双差的周跳检测方法以消除相关的误差项，从而提高测量精度。基于实测数据的试验结果表明：在选取合适的小波基时，该方法对周跳的检测非常灵敏。
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| 关 键 词： | 载波相位双差 周跳检测 小波分析 信号的奇异性 |
Cycle-Slip of Carrier Phase Double-Difference Based on Wavelet Analysis |
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| LIN Xue-yuan.Cycle-Slip of Carrier Phase Double-Difference Based on Wavelet Analysis[J].Ordnance Industry Automation,2009,28(11):42-44,49. |
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| Authors: | LIN Xue-yuan |
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| Affiliation: | LIN Xue-yuan (Dept. of Electronic Information Engineering,Naval Aeronautical & Astronautical University,Yantai 264001,China) |
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| Abstract: | When the method of GPS's carrier phase double difference is used to measure the carrier's attitude,the accuracy is very high,but one of the key factors is how to detect the cycle-slip of double difference. In order to improve the system measurement's reliability and accuracy,it is necessary to position the cycle-slip and repair it during the data pretreatment. Moreover,when the double difference of carrier phase is used,the correlated error item can be eliminated,then the measurement accuracy is improved. T... |
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| Keywords: | Carrier phase double difference Cycle-slip detection Wavelet analysis Signal\'s singularity |
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