High Power Laser and Particle Beams, Volume. 33, Issue 12, 123006(2021)
Time reversal cavity path and its influence on signal to noise ratio
Figures & Tables(9)
Fig. 1. Typical time reversal cavity (TRC) system and its time reversal results
Fig. 3. Spectrum distribution of initial，reversal and reconstructed signal
Table 1. Relationship between cavity loss and signal to noise ratio
View tableView in ArticleTable 1. Relationship between cavity loss and signal to noise ratio
No. conductivity/（S·m−1） mean standard deviation mainlobe SNR/dB 1 ∞ 0.0056 0.0085 0.45 18.3 2 3.56e+7 0.0044 0.0072 0.26 15.9 3 1e+6 0.0037 0.0065 0.23 15.6 4 1e+5 0.0017 0.0039 0.11 14.9
Table 2. Relationship between cavity structure and signal to noise ratio
View tableView in ArticleTable 2. Relationship between cavity structure and signal to noise ratio
No. structure mean standard deviation mainlobe SNR/dB 1 0.0049 0.0069 0.43 18.4 2 0.0034 0.0055 0.34 17.6 3 0.0016 0.0017 0.174 12.8 4 0.0012 0.0012 0.16 14.1
Table 3. Relationship between cavity size and signal to noise ratio
View tableView in ArticleTable 3. Relationship between cavity size and signal to noise ratio
No. size/(mm×mm) decay time mean standard deviation SNR/dB 1 400×300 1.14 0.0069 0.0136 14.0 2 600×400 1.60 0.0056 0.0085 18.3 3 800×600 2.28 0.0044 0.0058 18.9
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Xicheng Lu, Yang Qiu, Ling Jiang, Haibo Wang, Jin Tian, Xinwei Guo. Time reversal cavity path and its influence on signal to noise ratio[J]. High Power Laser and Particle Beams, 2021, 33(12): 123006
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Received: May. 10, 2021
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Published Online: Dec. 21, 2021
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