Fig. 1. Schematic diagram of low-noise galloping monitoring of OPGW cable based on reference sensor

Fig. 2. Flow chart of adaptive algorithm based on reference sensor

Fig. 3. Comparison results of adaptive filtering under different correlation coefficients

Fig. 4. Construction site of low-noise galloping monitoring array of OPGW cable based on reference sensor

Fig. 5. Comparison of time-domain results before and after adaptive filtering of reference sensors

Fig. 6. Comparison of frequency-domain results before and after adaptive filtering of reference sensors

Fig. 7. Comparison results of galloping monitoring intensity images of OPGW cable