Ziwei ZENG, Shangzhong JIN, Hongguang LI, Li JIANG, Junwei CHU. Terahertz spectral features detection and accuracy identification of explosives in high humidity environment[J]. Optics and Precision Engineering, 2023, 31(7): 1065
- Optics and Precision Engineering
- Vol. 31, Issue 7, 1065 (2023)
Fig. 1. Schematic of THz pulse vertical transmission detection
Fig. 2. Schematic of residual learning
Fig. 3. Structure of residual convolutional neural network
Fig. 4. Terahertz time domain spectra of JO-8 in different relative humidity
Fig. 5. Terahertz absorption spectra of four explosives with different relative humidity
Fig. 6. Wavelet transform graphs of explosives in different humidity
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Table 1. Block structure and output size of ResNet-50
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Table 2. Recognition rate comparison of different methods
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