Peng SONG, Yumei TAN, Xuehua LI, Hua GUO, Lijian ZHANG. Research on Power-line Interference Removal Method of Ultraviolet Communication Signal Based on Wavelet Transform[J]. Acta Photonica Sinica, 2021, 50(7): 31
- Acta Photonica Sinica
- Vol. 50, Issue 7, 31 (2021)
Fig. 1. The process of removing power-line interference based on wavelet transform
Fig. 2. NLOS UV communication devices
Fig. 3. Calculating SNR of the received UV signal generated from experiments
Fig. 4. Received signal and its spectrogram
Fig. 5. The 7th layer approximate coefficient reconstruction map and its spectrum distribution
Fig. 6. SNR after removing power-line interference based on different wavelet basis functions
Fig. 7. SNR after removing power-line interference under different wavelet bases
Fig. 8. UV signal and its spectrum after power-line interference is removed by sym40 wavelet basis
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Table 1. Experimental conditions and parameters
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Table 2. Transceiver geometric parameters
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Table 3. Spectrum distribution of the received signal
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