Ground Radioactivity Distribution Reconstruction and Dose Rate Estimation Based on Spectrum Deconvolution
Abstract
:1. Introduction
2. Methods
2.1. Establishment of Simulation Database
2.2. Reconstruction Method of Single Nuclide Radioactivity Distribution
2.3. Reconstruction Method of Multi-Nuclide Radioactivity Distribution
2.4. Dose Rate Estimation Method Based on Ground Radioactivity Distribution
3. Results and Discussion
3.1. Single Radionuclide
3.2. Multi-Radionuclide
3.3. Analysis of Influencing Factors
3.3.1. Influence of Statistical Fluctuations
3.3.2. Influence of the Number of Energy Windows
4. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
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Total Activity/Bq | Ground Radioactivity Distribution | Dose Rate Estimation | ||||
---|---|---|---|---|---|---|
RMSE | Relative RMSE | Cosine Similarity | RMSE | Relative RMSE | Cosine Similarity | |
109 | 7.12 × 106 | 0.0474 | 0.3905 | 606.21 | 0.0043 | 0.9765 |
1011 | 1.96 × 108 | 0.0130 | 0.8313 | 1.39 × 104 | 9.95 × 10−4 | 0.9987 |
1013 | 2.79 × 109 | 0.0019 | 0.9955 | 1.79 × 105 | 1.28 × 10−4 | 1 |
1015 | 3.48 × 1010 | 2.31 × 10−4 | 0.9999 | 2.30 × 106 | 1.65 × 10−5 | 1 |
Ground Radioactivity Distribution | Dose Rate Estimation | Deconvolution Time/s | |||||
---|---|---|---|---|---|---|---|
RMSE | Relative RMSE | Cosine Similarity | RMSE | Relative RMSE | Cosine Similarity | ||
1 | 6.69 × 109 | 0.0045 | 0.9752 | 3.64 × 105 | 2.61 × 10−4 | 0.9999 | 2.90 |
2 | 4.44 × 109 | 0.0030 | 0.9888 | 2.67 × 105 | 1.91 × 10−4 | 1 | 4.85 |
5 | 3.26 × 109 | 0.0022 | 0.9939 | 2.02 × 105 | 1.44 × 10−4 | 1 | 11.28 |
10 | 2.78 × 109 | 0.0019 | 0.9955 | 1.79 × 105 | 1.28 × 10−4 | 1 | 24.31 |
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Xu, H.; Ai, X.; Wang, Y.; Chen, W.; Li, Z.; Guan, X.; Wei, X.; Xie, J.; Chen, Y. Ground Radioactivity Distribution Reconstruction and Dose Rate Estimation Based on Spectrum Deconvolution. Sensors 2023, 23, 5628. https://doi.org/10.3390/s23125628
Xu H, Ai X, Wang Y, Chen W, Li Z, Guan X, Wei X, Xie J, Chen Y. Ground Radioactivity Distribution Reconstruction and Dose Rate Estimation Based on Spectrum Deconvolution. Sensors. 2023; 23(12):5628. https://doi.org/10.3390/s23125628
Chicago/Turabian StyleXu, Hang, Xianyun Ai, Ying Wang, Wenzhuo Chen, Zikun Li, Xian Guan, Xing Wei, Jianming Xie, and Ye Chen. 2023. "Ground Radioactivity Distribution Reconstruction and Dose Rate Estimation Based on Spectrum Deconvolution" Sensors 23, no. 12: 5628. https://doi.org/10.3390/s23125628
APA StyleXu, H., Ai, X., Wang, Y., Chen, W., Li, Z., Guan, X., Wei, X., Xie, J., & Chen, Y. (2023). Ground Radioactivity Distribution Reconstruction and Dose Rate Estimation Based on Spectrum Deconvolution. Sensors, 23(12), 5628. https://doi.org/10.3390/s23125628