H. Kim, Sungkyunkwan University, A Study on Fault Diagnosis of Transformer Using Ultrasound Signal, Master Thesis, Sungkyunkwan University, Korea

B. Jung, C. Park, 2015, Research on Diagnostic Methods through Results of IR Thermography and Ultrasonic Diagnosis, in Proc. KIEE Conf., pp. 1501-1502

Y. Yue, J. Tian, Y. Bai, K. Jia, J. He, D. Luo, T. Chen, 2021, Applicability Analysis of Inspection and Monitoring Technologies in Wind Turbine Towers, Shock and Vibration, Vol. 2021, Article ID 5548727, No. article id 5548727, pp. 10

H. -T. Yu, T. -H. Min, H. -J. Kim, S. Kang, D. -Y. Kang, H. -S. Kim, B. -K. Choi, 2021, Feature Analysis Based on Acoustic Emission Signal Processing for Tubular Steel Tower Condition Monitoring, Trans. Korean Soc. Noise and Vib. Eng., Vol. 31, No. 2, pp. 195-202

S. Hong, 2014, Diagnostic Technology Application and Development Direction of Power Distribution Facility, Journal of Electrical World, No. 450, pp. 42-47

J. I. Zhang, B. S. Kang, 2012, The Study on Application of Flying Inspection Method for the 22.9kV Distribution Line, KIEE Trans., Vol. 61, No. 2, pp. 194-198

E. Zwicker, H. Fastl, 2007, Psycho-Acoustics: Facts and Models, 3rd Edition, Springer

B. C. J. Moore, 2013, Psychology of Hearing, 6th Edition, Brill