| ????????????BP???????GPS?????? |
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| 引用本文： | 朱卫东,李全海.????????????BP???????GPS??????[J].大地测量与地球动力学,2010,30(1):123-125. |
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| 作者姓名： | 朱卫东 李全海 |
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| 作者单位： | 同济大学测量与国土信息工程系,上海,200092 |
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| 摘 要： | ???????BP???????????????????????????????????????????????????????????????????б?????????????????????Ч???????÷???????????????????????????????????????????緽????????????ж??ó????????????BP???????????????????????????
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| 关 键 词： | ????BP?????? ???? ?????? ????? ????? |
CONVERSION OF GPS HEIGHT BASED ON STANDARDIZATION MOMENTUM BP NEURAL NETWORK |
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| Zhu Weidong,Li Quanhai.CONVERSION OF GPS HEIGHT BASED ON STANDARDIZATION MOMENTUM BP NEURAL NETWORK[J].Journal of Geodesy and Geodynamics,2010,30(1):123-125. |
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| Authors: | Zhu Weidong Li Quanhai |
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| Institution: | Department of Surveying and Geo-informatics;Tongji University;Shanghai 200092 |
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| Abstract: | When solving fitting elevation by using common momentum BP neural network algorithm there will be difference between the training samples in dimension.In order to improve the stability we standardized the samples and obtained the ideal results.It is shown that from the comparison among the results with the calculation methods by surface fitting,quadric surface fitting,and other neural network methods,the accuracy by using the standardization of BP neural network algorithm for elevation fitting is more relia... |
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| Keywords: | momentum backpropagation neural network geodetic height normal height elevation anomaly standardization |
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