WANG Jiongqi, HE Zhangming, ZHOU Haiyin, LI Shuxing, ZHOU Xuanying. Optimal Weight and Parameter Estimation of Multi-structure and Unequal-Precision Data Fusion[J]. Chinese Journal of Electronics, 2017, 26(6): 1245-1253. doi: 10.1049/cje.2017.09.030
Citation: WANG Jiongqi, HE Zhangming, ZHOU Haiyin, LI Shuxing, ZHOU Xuanying. Optimal Weight and Parameter Estimation of Multi-structure and Unequal-Precision Data Fusion[J]. Chinese Journal of Electronics, 2017, 26(6): 1245-1253. doi: 10.1049/cje.2017.09.030

Optimal Weight and Parameter Estimation of Multi-structure and Unequal-Precision Data Fusion

doi: 10.1049/cje.2017.09.030
Funds:  This work is supported by National Natural Science Foundation of China (No.61773021, No.61703408, No.61304119).
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  • Corresponding author: HE Zhangming (corresponding author) was born in Guangdong. He received his Ph.D. degree in system science from National University of Defense Technology, China He is a lecturer at the College of Science, National University of Defense Technology, Changsha, China.(Email:hzmnudt@sina.com)
  • Received Date: 2015-05-18
  • Rev Recd Date: 2016-08-16
  • Publish Date: 2017-11-10
  • Measured data fusion process is an effective way to improve the data process precision. In this paper, the fusion weight is firstly introduced, and then we study the optimal weight and parameter estimation using multistructure and unequal-precision data fusion. For the linear regression model, it is theoretically proved that the optimal weight is only related to the data measure precision, which is consistent with the classical Gauss-Markov theorem. For the nonlinear regression model, we analyze the method for calculating the optimal weight theoretically, and then provide the algorithm for the optimal weight and the parameter estimation for the actual data fusion.
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