5KWEON D J,CHIN S B,KWAK H R,et al. The analysis of ultrasonic signals by partial discharge and noise from the transformer[J]. IEEE Transactions on Power Delivery, 2005,20(3): 1976-1983.
6OLIVIERI M M de A, MANNHEIMER W A, RIPPER-NETO A P. On the use of acoustic signals for detection and location of partial discharges in power transformers[C]//USA: Conference Record of the 2000 IEEE International Symposium on Electrical Insulation, 2000: 259-262.
7Nueeio, Salvatore, Spataro, Ciro. Assessment of Virtual Instruments Measurement Uncertainty [J]. Computer Standards and Interfaces, 2001, 223(1 ) : 39-46.
8Fortino, Giancarlo, Nigro, Libero. Development of Virtual Data Acquisition Systems Based on Multimedia Internetworking [J].Computer Standards & Interfaces, 1999,21 (5): 429--440.
9Angrisani, Daponte, D Apuzzo. Virtual Digital Signal-processing Instrument for Measuring Superimposed Power Line Disturbances [J]. Measurement, 1998, 24(1 ) : 9-19.